|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc -mtriple=x86_64-darwin-unknown < %s | FileCheck %s --check-prefix=SDAG | 
|  | ; RUN: llc -mtriple=x86_64-darwin-unknown -fast-isel -fast-isel-abort=1 < %s | FileCheck %s --check-prefix=FAST | 
|  | ; RUN: llc -mtriple=x86_64-darwin-unknown -mcpu=knl < %s | FileCheck %s --check-prefix=KNL | 
|  |  | 
|  | ; | 
|  | ; Get the actual value of the overflow bit. | 
|  | ; | 
|  | ; SADDO reg, reg | 
|  | define zeroext i1 @saddoi8(i8 signext %v1, i8 signext %v2, i8* %res) { | 
|  | ; SDAG-LABEL: saddoi8: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addb %sil, %dil | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movb %dil, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoi8: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addb %sil, %dil | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movb %dil, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoi8: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addb %sil, %dil | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movb %dil, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 %v1, i8 %v2) | 
|  | %val = extractvalue {i8, i1} %t, 0 | 
|  | %obit = extractvalue {i8, i1} %t, 1 | 
|  | store i8 %val, i8* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddoi16(i16 %v1, i16 %v2, i16* %res) { | 
|  | ; SDAG-LABEL: saddoi16: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addw %si, %di | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movw %di, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoi16: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addw %si, %di | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movw %di, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoi16: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addw %si, %di | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movw %di, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i16, i1} @llvm.sadd.with.overflow.i16(i16 %v1, i16 %v2) | 
|  | %val = extractvalue {i16, i1} %t, 0 | 
|  | %obit = extractvalue {i16, i1} %t, 1 | 
|  | store i16 %val, i16* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddoi32(i32 %v1, i32 %v2, i32* %res) { | 
|  | ; SDAG-LABEL: saddoi32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addl %esi, %edi | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movl %edi, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoi32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addl %esi, %edi | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movl %edi, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoi32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addl %esi, %edi | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movl %edi, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | store i32 %val, i32* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddoi64(i64 %v1, i64 %v2, i64* %res) { | 
|  | ; SDAG-LABEL: saddoi64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addq %rsi, %rdi | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movq %rdi, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoi64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addq %rsi, %rdi | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movq %rdi, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoi64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addq %rsi, %rdi | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movq %rdi, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | ; SADDO reg, 1 | INC | 
|  | define zeroext i1 @saddoinci8(i8 %v1, i8* %res) { | 
|  | ; SDAG-LABEL: saddoinci8: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    incb %dil | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movb %dil, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoinci8: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    incb %dil | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movb %dil, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoinci8: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    incb %dil | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movb %dil, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 %v1, i8 1) | 
|  | %val = extractvalue {i8, i1} %t, 0 | 
|  | %obit = extractvalue {i8, i1} %t, 1 | 
|  | store i8 %val, i8* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddoinci16(i16 %v1, i16* %res) { | 
|  | ; SDAG-LABEL: saddoinci16: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    incw %di | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movw %di, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoinci16: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    incw %di | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movw %di, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoinci16: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    incw %di | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movw %di, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i16, i1} @llvm.sadd.with.overflow.i16(i16 %v1, i16 1) | 
|  | %val = extractvalue {i16, i1} %t, 0 | 
|  | %obit = extractvalue {i16, i1} %t, 1 | 
|  | store i16 %val, i16* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddoinci32(i32 %v1, i32* %res) { | 
|  | ; SDAG-LABEL: saddoinci32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    incl %edi | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movl %edi, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoinci32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    incl %edi | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movl %edi, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoinci32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    incl %edi | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movl %edi, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 1) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | store i32 %val, i32* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddoinci64(i64 %v1, i64* %res) { | 
|  | ; SDAG-LABEL: saddoinci64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    incq %rdi | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movq %rdi, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoinci64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    incq %rdi | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movq %rdi, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoinci64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    incq %rdi | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movq %rdi, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 1) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | ; SADDO reg, imm | imm, reg | 
|  | ; FIXME: DAG doesn't optimize immediates on the LHS. | 
|  | define zeroext i1 @saddoi64imm1(i64 %v1, i64* %res) { | 
|  | ; SDAG-LABEL: saddoi64imm1: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    movl $2, %ecx | 
|  | ; SDAG-NEXT:    addq %rdi, %rcx | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movq %rcx, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoi64imm1: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addq $2, %rdi | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movq %rdi, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoi64imm1: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    movl $2, %ecx | 
|  | ; KNL-NEXT:    addq %rdi, %rcx | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movq %rcx, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 2, i64 %v1) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | ; Check boundary conditions for large immediates. | 
|  | define zeroext i1 @saddoi64imm2(i64 %v1, i64* %res) { | 
|  | ; SDAG-LABEL: saddoi64imm2: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addq $-2147483648, %rdi ## imm = 0x80000000 | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movq %rdi, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoi64imm2: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addq $-2147483648, %rdi ## imm = 0x80000000 | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movq %rdi, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoi64imm2: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addq $-2147483648, %rdi ## imm = 0x80000000 | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movq %rdi, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -2147483648) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddoi64imm3(i64 %v1, i64* %res) { | 
|  | ; SDAG-LABEL: saddoi64imm3: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    movabsq $-21474836489, %rcx ## imm = 0xFFFFFFFAFFFFFFF7 | 
|  | ; SDAG-NEXT:    addq %rdi, %rcx | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movq %rcx, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoi64imm3: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    movabsq $-21474836489, %rax ## imm = 0xFFFFFFFAFFFFFFF7 | 
|  | ; FAST-NEXT:    addq %rdi, %rax | 
|  | ; FAST-NEXT:    seto %cl | 
|  | ; FAST-NEXT:    movq %rax, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %cl | 
|  | ; FAST-NEXT:    movzbl %cl, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoi64imm3: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    movabsq $-21474836489, %rcx ## imm = 0xFFFFFFFAFFFFFFF7 | 
|  | ; KNL-NEXT:    addq %rdi, %rcx | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movq %rcx, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -21474836489) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddoi64imm4(i64 %v1, i64* %res) { | 
|  | ; SDAG-LABEL: saddoi64imm4: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addq $2147483647, %rdi ## imm = 0x7FFFFFFF | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movq %rdi, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoi64imm4: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addq $2147483647, %rdi ## imm = 0x7FFFFFFF | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movq %rdi, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoi64imm4: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addq $2147483647, %rdi ## imm = 0x7FFFFFFF | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movq %rdi, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 2147483647) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddoi64imm5(i64 %v1, i64* %res) { | 
|  | ; SDAG-LABEL: saddoi64imm5: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    movl $2147483648, %ecx ## imm = 0x80000000 | 
|  | ; SDAG-NEXT:    addq %rdi, %rcx | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movq %rcx, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoi64imm5: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    movl $2147483648, %eax ## imm = 0x80000000 | 
|  | ; FAST-NEXT:    addq %rdi, %rax | 
|  | ; FAST-NEXT:    seto %cl | 
|  | ; FAST-NEXT:    movq %rax, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %cl | 
|  | ; FAST-NEXT:    movzbl %cl, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoi64imm5: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    movl $2147483648, %ecx ## imm = 0x80000000 | 
|  | ; KNL-NEXT:    addq %rdi, %rcx | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movq %rcx, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 2147483648) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | ; UADDO | 
|  | define zeroext i1 @uaddoi32(i32 %v1, i32 %v2, i32* %res) { | 
|  | ; SDAG-LABEL: uaddoi32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addl %esi, %edi | 
|  | ; SDAG-NEXT:    setb %al | 
|  | ; SDAG-NEXT:    movl %edi, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddoi32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addl %esi, %edi | 
|  | ; FAST-NEXT:    setb %al | 
|  | ; FAST-NEXT:    movl %edi, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddoi32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addl %esi, %edi | 
|  | ; KNL-NEXT:    setb %al | 
|  | ; KNL-NEXT:    movl %edi, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | store i32 %val, i32* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @uaddoi64(i64 %v1, i64 %v2, i64* %res) { | 
|  | ; SDAG-LABEL: uaddoi64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addq %rsi, %rdi | 
|  | ; SDAG-NEXT:    setb %al | 
|  | ; SDAG-NEXT:    movq %rdi, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddoi64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addq %rsi, %rdi | 
|  | ; FAST-NEXT:    setb %al | 
|  | ; FAST-NEXT:    movq %rdi, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddoi64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addq %rsi, %rdi | 
|  | ; KNL-NEXT:    setb %al | 
|  | ; KNL-NEXT:    movq %rdi, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | ; UADDO reg, 1 | NOT INC | 
|  | define zeroext i1 @uaddoinci8(i8 %v1, i8* %res) { | 
|  | ; SDAG-LABEL: uaddoinci8: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addb $1, %dil | 
|  | ; SDAG-NEXT:    setb %al | 
|  | ; SDAG-NEXT:    movb %dil, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddoinci8: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addb $1, %dil | 
|  | ; FAST-NEXT:    setb %al | 
|  | ; FAST-NEXT:    movb %dil, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddoinci8: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addb $1, %dil | 
|  | ; KNL-NEXT:    setb %al | 
|  | ; KNL-NEXT:    movb %dil, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 %v1, i8 1) | 
|  | %val = extractvalue {i8, i1} %t, 0 | 
|  | %obit = extractvalue {i8, i1} %t, 1 | 
|  | store i8 %val, i8* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @uaddoinci16(i16 %v1, i16* %res) { | 
|  | ; SDAG-LABEL: uaddoinci16: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addw $1, %di | 
|  | ; SDAG-NEXT:    setb %al | 
|  | ; SDAG-NEXT:    movw %di, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddoinci16: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addw $1, %di | 
|  | ; FAST-NEXT:    setb %al | 
|  | ; FAST-NEXT:    movw %di, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddoinci16: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addw $1, %di | 
|  | ; KNL-NEXT:    setb %al | 
|  | ; KNL-NEXT:    movw %di, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i16, i1} @llvm.uadd.with.overflow.i16(i16 %v1, i16 1) | 
|  | %val = extractvalue {i16, i1} %t, 0 | 
|  | %obit = extractvalue {i16, i1} %t, 1 | 
|  | store i16 %val, i16* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @uaddoinci32(i32 %v1, i32* %res) { | 
|  | ; SDAG-LABEL: uaddoinci32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addl $1, %edi | 
|  | ; SDAG-NEXT:    setb %al | 
|  | ; SDAG-NEXT:    movl %edi, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddoinci32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addl $1, %edi | 
|  | ; FAST-NEXT:    setb %al | 
|  | ; FAST-NEXT:    movl %edi, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddoinci32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addl $1, %edi | 
|  | ; KNL-NEXT:    setb %al | 
|  | ; KNL-NEXT:    movl %edi, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 1) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | store i32 %val, i32* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @uaddoinci64(i64 %v1, i64* %res) { | 
|  | ; SDAG-LABEL: uaddoinci64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addq $1, %rdi | 
|  | ; SDAG-NEXT:    setb %al | 
|  | ; SDAG-NEXT:    movq %rdi, (%rsi) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddoinci64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addq $1, %rdi | 
|  | ; FAST-NEXT:    setb %al | 
|  | ; FAST-NEXT:    movq %rdi, (%rsi) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddoinci64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addq $1, %rdi | 
|  | ; KNL-NEXT:    setb %al | 
|  | ; KNL-NEXT:    movq %rdi, (%rsi) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 1) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | ; SSUBO | 
|  | define zeroext i1 @ssuboi32(i32 %v1, i32 %v2, i32* %res) { | 
|  | ; SDAG-LABEL: ssuboi32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    subl %esi, %edi | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movl %edi, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: ssuboi32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    subl %esi, %edi | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movl %edi, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: ssuboi32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    subl %esi, %edi | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movl %edi, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | store i32 %val, i32* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @ssuboi64(i64 %v1, i64 %v2, i64* %res) { | 
|  | ; SDAG-LABEL: ssuboi64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    subq %rsi, %rdi | 
|  | ; SDAG-NEXT:    seto %al | 
|  | ; SDAG-NEXT:    movq %rdi, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: ssuboi64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    subq %rsi, %rdi | 
|  | ; FAST-NEXT:    seto %al | 
|  | ; FAST-NEXT:    movq %rdi, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: ssuboi64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    subq %rsi, %rdi | 
|  | ; KNL-NEXT:    seto %al | 
|  | ; KNL-NEXT:    movq %rdi, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | ; USUBO | 
|  | define zeroext i1 @usuboi32(i32 %v1, i32 %v2, i32* %res) { | 
|  | ; SDAG-LABEL: usuboi32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    subl %esi, %edi | 
|  | ; SDAG-NEXT:    setb %al | 
|  | ; SDAG-NEXT:    movl %edi, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: usuboi32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    subl %esi, %edi | 
|  | ; FAST-NEXT:    setb %al | 
|  | ; FAST-NEXT:    movl %edi, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: usuboi32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    subl %esi, %edi | 
|  | ; KNL-NEXT:    setb %al | 
|  | ; KNL-NEXT:    movl %edi, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | store i32 %val, i32* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | define zeroext i1 @usuboi64(i64 %v1, i64 %v2, i64* %res) { | 
|  | ; SDAG-LABEL: usuboi64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    subq %rsi, %rdi | 
|  | ; SDAG-NEXT:    setb %al | 
|  | ; SDAG-NEXT:    movq %rdi, (%rdx) | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: usuboi64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    subq %rsi, %rdi | 
|  | ; FAST-NEXT:    setb %al | 
|  | ; FAST-NEXT:    movq %rdi, (%rdx) | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: usuboi64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    subq %rsi, %rdi | 
|  | ; KNL-NEXT:    setb %al | 
|  | ; KNL-NEXT:    movq %rdi, (%rdx) | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | store i64 %val, i64* %res | 
|  | ret i1 %obit | 
|  | } | 
|  |  | 
|  | ; | 
|  | ; Check the use of the overflow bit in combination with a select instruction. | 
|  | ; | 
|  | define i32 @saddoselecti32(i32 %v1, i32 %v2) { | 
|  | ; SDAG-LABEL: saddoselecti32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    movl %edi, %eax | 
|  | ; SDAG-NEXT:    addl %esi, %eax | 
|  | ; SDAG-NEXT:    cmovol %edi, %esi | 
|  | ; SDAG-NEXT:    movl %esi, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoselecti32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    movl %edi, %eax | 
|  | ; FAST-NEXT:    addl %esi, %eax | 
|  | ; FAST-NEXT:    cmovol %edi, %esi | 
|  | ; FAST-NEXT:    movl %esi, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoselecti32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    movl %edi, %eax | 
|  | ; KNL-NEXT:    addl %esi, %eax | 
|  | ; KNL-NEXT:    cmovol %edi, %esi | 
|  | ; KNL-NEXT:    movl %esi, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | %ret = select i1 %obit, i32 %v1, i32 %v2 | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define i64 @saddoselecti64(i64 %v1, i64 %v2) { | 
|  | ; SDAG-LABEL: saddoselecti64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    movq %rdi, %rax | 
|  | ; SDAG-NEXT:    addq %rsi, %rax | 
|  | ; SDAG-NEXT:    cmovoq %rdi, %rsi | 
|  | ; SDAG-NEXT:    movq %rsi, %rax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddoselecti64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    movq %rdi, %rax | 
|  | ; FAST-NEXT:    addq %rsi, %rax | 
|  | ; FAST-NEXT:    cmovoq %rdi, %rsi | 
|  | ; FAST-NEXT:    movq %rsi, %rax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddoselecti64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    movq %rdi, %rax | 
|  | ; KNL-NEXT:    addq %rsi, %rax | 
|  | ; KNL-NEXT:    cmovoq %rdi, %rsi | 
|  | ; KNL-NEXT:    movq %rsi, %rax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | %ret = select i1 %obit, i64 %v1, i64 %v2 | 
|  | ret i64 %ret | 
|  | } | 
|  |  | 
|  | define i32 @uaddoselecti32(i32 %v1, i32 %v2) { | 
|  | ; SDAG-LABEL: uaddoselecti32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    movl %edi, %eax | 
|  | ; SDAG-NEXT:    addl %esi, %eax | 
|  | ; SDAG-NEXT:    cmovbl %edi, %esi | 
|  | ; SDAG-NEXT:    movl %esi, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddoselecti32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    movl %edi, %eax | 
|  | ; FAST-NEXT:    addl %esi, %eax | 
|  | ; FAST-NEXT:    cmovbl %edi, %esi | 
|  | ; FAST-NEXT:    movl %esi, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddoselecti32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    movl %edi, %eax | 
|  | ; KNL-NEXT:    addl %esi, %eax | 
|  | ; KNL-NEXT:    cmovbl %edi, %esi | 
|  | ; KNL-NEXT:    movl %esi, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | %ret = select i1 %obit, i32 %v1, i32 %v2 | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define i64 @uaddoselecti64(i64 %v1, i64 %v2) { | 
|  | ; SDAG-LABEL: uaddoselecti64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    movq %rdi, %rax | 
|  | ; SDAG-NEXT:    addq %rsi, %rax | 
|  | ; SDAG-NEXT:    cmovbq %rdi, %rsi | 
|  | ; SDAG-NEXT:    movq %rsi, %rax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddoselecti64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    movq %rdi, %rax | 
|  | ; FAST-NEXT:    addq %rsi, %rax | 
|  | ; FAST-NEXT:    cmovbq %rdi, %rsi | 
|  | ; FAST-NEXT:    movq %rsi, %rax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddoselecti64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    movq %rdi, %rax | 
|  | ; KNL-NEXT:    addq %rsi, %rax | 
|  | ; KNL-NEXT:    cmovbq %rdi, %rsi | 
|  | ; KNL-NEXT:    movq %rsi, %rax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | %ret = select i1 %obit, i64 %v1, i64 %v2 | 
|  | ret i64 %ret | 
|  | } | 
|  |  | 
|  | define i32 @ssuboselecti32(i32 %v1, i32 %v2) { | 
|  | ; SDAG-LABEL: ssuboselecti32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    cmpl %esi, %edi | 
|  | ; SDAG-NEXT:    cmovol %edi, %esi | 
|  | ; SDAG-NEXT:    movl %esi, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: ssuboselecti32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    cmpl %esi, %edi | 
|  | ; FAST-NEXT:    cmovol %edi, %esi | 
|  | ; FAST-NEXT:    movl %esi, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: ssuboselecti32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    cmpl %esi, %edi | 
|  | ; KNL-NEXT:    cmovol %edi, %esi | 
|  | ; KNL-NEXT:    movl %esi, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | %ret = select i1 %obit, i32 %v1, i32 %v2 | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define i64 @ssuboselecti64(i64 %v1, i64 %v2) { | 
|  | ; SDAG-LABEL: ssuboselecti64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    cmpq %rsi, %rdi | 
|  | ; SDAG-NEXT:    cmovoq %rdi, %rsi | 
|  | ; SDAG-NEXT:    movq %rsi, %rax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: ssuboselecti64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    cmpq %rsi, %rdi | 
|  | ; FAST-NEXT:    cmovoq %rdi, %rsi | 
|  | ; FAST-NEXT:    movq %rsi, %rax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: ssuboselecti64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    cmpq %rsi, %rdi | 
|  | ; KNL-NEXT:    cmovoq %rdi, %rsi | 
|  | ; KNL-NEXT:    movq %rsi, %rax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | %ret = select i1 %obit, i64 %v1, i64 %v2 | 
|  | ret i64 %ret | 
|  | } | 
|  |  | 
|  | define i32 @usuboselecti32(i32 %v1, i32 %v2) { | 
|  | ; SDAG-LABEL: usuboselecti32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    cmpl %esi, %edi | 
|  | ; SDAG-NEXT:    cmovbl %edi, %esi | 
|  | ; SDAG-NEXT:    movl %esi, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: usuboselecti32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    cmpl %esi, %edi | 
|  | ; FAST-NEXT:    cmovbl %edi, %esi | 
|  | ; FAST-NEXT:    movl %esi, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: usuboselecti32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    cmpl %esi, %edi | 
|  | ; KNL-NEXT:    cmovbl %edi, %esi | 
|  | ; KNL-NEXT:    movl %esi, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | %ret = select i1 %obit, i32 %v1, i32 %v2 | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define i64 @usuboselecti64(i64 %v1, i64 %v2) { | 
|  | ; SDAG-LABEL: usuboselecti64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    cmpq %rsi, %rdi | 
|  | ; SDAG-NEXT:    cmovbq %rdi, %rsi | 
|  | ; SDAG-NEXT:    movq %rsi, %rax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: usuboselecti64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    cmpq %rsi, %rdi | 
|  | ; FAST-NEXT:    cmovbq %rdi, %rsi | 
|  | ; FAST-NEXT:    movq %rsi, %rax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: usuboselecti64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    cmpq %rsi, %rdi | 
|  | ; KNL-NEXT:    cmovbq %rdi, %rsi | 
|  | ; KNL-NEXT:    movq %rsi, %rax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | %ret = select i1 %obit, i64 %v1, i64 %v2 | 
|  | ret i64 %ret | 
|  | } | 
|  |  | 
|  | ; | 
|  | ; Check the use of the overflow bit in combination with a branch instruction. | 
|  | ; | 
|  | define zeroext i1 @saddobri32(i32 %v1, i32 %v2) { | 
|  | ; SDAG-LABEL: saddobri32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addl %esi, %edi | 
|  | ; SDAG-NEXT:    jo LBB31_1 | 
|  | ; SDAG-NEXT:  ## %bb.2: ## %continue | 
|  | ; SDAG-NEXT:    movb $1, %al | 
|  | ; SDAG-NEXT:    retq | 
|  | ; SDAG-NEXT:  LBB31_1: ## %overflow | 
|  | ; SDAG-NEXT:    xorl %eax, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddobri32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addl %esi, %edi | 
|  | ; FAST-NEXT:    jo LBB31_1 | 
|  | ; FAST-NEXT:  ## %bb.2: ## %continue | 
|  | ; FAST-NEXT:    movb $1, %al | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; FAST-NEXT:  LBB31_1: ## %overflow | 
|  | ; FAST-NEXT:    xorl %eax, %eax | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddobri32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addl %esi, %edi | 
|  | ; KNL-NEXT:    jo LBB31_1 | 
|  | ; KNL-NEXT:  ## %bb.2: ## %continue | 
|  | ; KNL-NEXT:    movb $1, %al | 
|  | ; KNL-NEXT:    retq | 
|  | ; KNL-NEXT:  LBB31_1: ## %overflow | 
|  | ; KNL-NEXT:    xorl %eax, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | br i1 %obit, label %overflow, label %continue, !prof !0 | 
|  |  | 
|  | overflow: | 
|  | ret i1 false | 
|  |  | 
|  | continue: | 
|  | ret i1 true | 
|  | } | 
|  |  | 
|  | define zeroext i1 @saddobri64(i64 %v1, i64 %v2) { | 
|  | ; SDAG-LABEL: saddobri64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addq %rsi, %rdi | 
|  | ; SDAG-NEXT:    jo LBB32_1 | 
|  | ; SDAG-NEXT:  ## %bb.2: ## %continue | 
|  | ; SDAG-NEXT:    movb $1, %al | 
|  | ; SDAG-NEXT:    retq | 
|  | ; SDAG-NEXT:  LBB32_1: ## %overflow | 
|  | ; SDAG-NEXT:    xorl %eax, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: saddobri64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addq %rsi, %rdi | 
|  | ; FAST-NEXT:    jo LBB32_1 | 
|  | ; FAST-NEXT:  ## %bb.2: ## %continue | 
|  | ; FAST-NEXT:    movb $1, %al | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; FAST-NEXT:  LBB32_1: ## %overflow | 
|  | ; FAST-NEXT:    xorl %eax, %eax | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: saddobri64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addq %rsi, %rdi | 
|  | ; KNL-NEXT:    jo LBB32_1 | 
|  | ; KNL-NEXT:  ## %bb.2: ## %continue | 
|  | ; KNL-NEXT:    movb $1, %al | 
|  | ; KNL-NEXT:    retq | 
|  | ; KNL-NEXT:  LBB32_1: ## %overflow | 
|  | ; KNL-NEXT:    xorl %eax, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | br i1 %obit, label %overflow, label %continue, !prof !0 | 
|  |  | 
|  | overflow: | 
|  | ret i1 false | 
|  |  | 
|  | continue: | 
|  | ret i1 true | 
|  | } | 
|  |  | 
|  | define zeroext i1 @uaddobri32(i32 %v1, i32 %v2) { | 
|  | ; SDAG-LABEL: uaddobri32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addl %esi, %edi | 
|  | ; SDAG-NEXT:    jb LBB33_1 | 
|  | ; SDAG-NEXT:  ## %bb.2: ## %continue | 
|  | ; SDAG-NEXT:    movb $1, %al | 
|  | ; SDAG-NEXT:    retq | 
|  | ; SDAG-NEXT:  LBB33_1: ## %overflow | 
|  | ; SDAG-NEXT:    xorl %eax, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddobri32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addl %esi, %edi | 
|  | ; FAST-NEXT:    jb LBB33_1 | 
|  | ; FAST-NEXT:  ## %bb.2: ## %continue | 
|  | ; FAST-NEXT:    movb $1, %al | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; FAST-NEXT:  LBB33_1: ## %overflow | 
|  | ; FAST-NEXT:    xorl %eax, %eax | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddobri32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addl %esi, %edi | 
|  | ; KNL-NEXT:    jb LBB33_1 | 
|  | ; KNL-NEXT:  ## %bb.2: ## %continue | 
|  | ; KNL-NEXT:    movb $1, %al | 
|  | ; KNL-NEXT:    retq | 
|  | ; KNL-NEXT:  LBB33_1: ## %overflow | 
|  | ; KNL-NEXT:    xorl %eax, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | br i1 %obit, label %overflow, label %continue, !prof !0 | 
|  |  | 
|  | overflow: | 
|  | ret i1 false | 
|  |  | 
|  | continue: | 
|  | ret i1 true | 
|  | } | 
|  |  | 
|  | define zeroext i1 @uaddobri64(i64 %v1, i64 %v2) { | 
|  | ; SDAG-LABEL: uaddobri64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    addq %rsi, %rdi | 
|  | ; SDAG-NEXT:    jb LBB34_1 | 
|  | ; SDAG-NEXT:  ## %bb.2: ## %continue | 
|  | ; SDAG-NEXT:    movb $1, %al | 
|  | ; SDAG-NEXT:    retq | 
|  | ; SDAG-NEXT:  LBB34_1: ## %overflow | 
|  | ; SDAG-NEXT:    xorl %eax, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddobri64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    addq %rsi, %rdi | 
|  | ; FAST-NEXT:    jb LBB34_1 | 
|  | ; FAST-NEXT:  ## %bb.2: ## %continue | 
|  | ; FAST-NEXT:    movb $1, %al | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; FAST-NEXT:  LBB34_1: ## %overflow | 
|  | ; FAST-NEXT:    xorl %eax, %eax | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddobri64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    addq %rsi, %rdi | 
|  | ; KNL-NEXT:    jb LBB34_1 | 
|  | ; KNL-NEXT:  ## %bb.2: ## %continue | 
|  | ; KNL-NEXT:    movb $1, %al | 
|  | ; KNL-NEXT:    retq | 
|  | ; KNL-NEXT:  LBB34_1: ## %overflow | 
|  | ; KNL-NEXT:    xorl %eax, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | br i1 %obit, label %overflow, label %continue, !prof !0 | 
|  |  | 
|  | overflow: | 
|  | ret i1 false | 
|  |  | 
|  | continue: | 
|  | ret i1 true | 
|  | } | 
|  |  | 
|  | define zeroext i1 @ssubobri32(i32 %v1, i32 %v2) { | 
|  | ; SDAG-LABEL: ssubobri32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    cmpl %esi, %edi | 
|  | ; SDAG-NEXT:    jo LBB35_1 | 
|  | ; SDAG-NEXT:  ## %bb.2: ## %continue | 
|  | ; SDAG-NEXT:    movb $1, %al | 
|  | ; SDAG-NEXT:    retq | 
|  | ; SDAG-NEXT:  LBB35_1: ## %overflow | 
|  | ; SDAG-NEXT:    xorl %eax, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: ssubobri32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    cmpl %esi, %edi | 
|  | ; FAST-NEXT:    jo LBB35_1 | 
|  | ; FAST-NEXT:  ## %bb.2: ## %continue | 
|  | ; FAST-NEXT:    movb $1, %al | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; FAST-NEXT:  LBB35_1: ## %overflow | 
|  | ; FAST-NEXT:    xorl %eax, %eax | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: ssubobri32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    cmpl %esi, %edi | 
|  | ; KNL-NEXT:    jo LBB35_1 | 
|  | ; KNL-NEXT:  ## %bb.2: ## %continue | 
|  | ; KNL-NEXT:    movb $1, %al | 
|  | ; KNL-NEXT:    retq | 
|  | ; KNL-NEXT:  LBB35_1: ## %overflow | 
|  | ; KNL-NEXT:    xorl %eax, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | br i1 %obit, label %overflow, label %continue, !prof !0 | 
|  |  | 
|  | overflow: | 
|  | ret i1 false | 
|  |  | 
|  | continue: | 
|  | ret i1 true | 
|  | } | 
|  |  | 
|  | define zeroext i1 @ssubobri64(i64 %v1, i64 %v2) { | 
|  | ; SDAG-LABEL: ssubobri64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    cmpq %rsi, %rdi | 
|  | ; SDAG-NEXT:    jo LBB36_1 | 
|  | ; SDAG-NEXT:  ## %bb.2: ## %continue | 
|  | ; SDAG-NEXT:    movb $1, %al | 
|  | ; SDAG-NEXT:    retq | 
|  | ; SDAG-NEXT:  LBB36_1: ## %overflow | 
|  | ; SDAG-NEXT:    xorl %eax, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: ssubobri64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    cmpq %rsi, %rdi | 
|  | ; FAST-NEXT:    jo LBB36_1 | 
|  | ; FAST-NEXT:  ## %bb.2: ## %continue | 
|  | ; FAST-NEXT:    movb $1, %al | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; FAST-NEXT:  LBB36_1: ## %overflow | 
|  | ; FAST-NEXT:    xorl %eax, %eax | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: ssubobri64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    cmpq %rsi, %rdi | 
|  | ; KNL-NEXT:    jo LBB36_1 | 
|  | ; KNL-NEXT:  ## %bb.2: ## %continue | 
|  | ; KNL-NEXT:    movb $1, %al | 
|  | ; KNL-NEXT:    retq | 
|  | ; KNL-NEXT:  LBB36_1: ## %overflow | 
|  | ; KNL-NEXT:    xorl %eax, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | br i1 %obit, label %overflow, label %continue, !prof !0 | 
|  |  | 
|  | overflow: | 
|  | ret i1 false | 
|  |  | 
|  | continue: | 
|  | ret i1 true | 
|  | } | 
|  |  | 
|  | define zeroext i1 @usubobri32(i32 %v1, i32 %v2) { | 
|  | ; SDAG-LABEL: usubobri32: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    cmpl %esi, %edi | 
|  | ; SDAG-NEXT:    jb LBB37_1 | 
|  | ; SDAG-NEXT:  ## %bb.2: ## %continue | 
|  | ; SDAG-NEXT:    movb $1, %al | 
|  | ; SDAG-NEXT:    retq | 
|  | ; SDAG-NEXT:  LBB37_1: ## %overflow | 
|  | ; SDAG-NEXT:    xorl %eax, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: usubobri32: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    cmpl %esi, %edi | 
|  | ; FAST-NEXT:    jb LBB37_1 | 
|  | ; FAST-NEXT:  ## %bb.2: ## %continue | 
|  | ; FAST-NEXT:    movb $1, %al | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; FAST-NEXT:  LBB37_1: ## %overflow | 
|  | ; FAST-NEXT:    xorl %eax, %eax | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: usubobri32: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    cmpl %esi, %edi | 
|  | ; KNL-NEXT:    jb LBB37_1 | 
|  | ; KNL-NEXT:  ## %bb.2: ## %continue | 
|  | ; KNL-NEXT:    movb $1, %al | 
|  | ; KNL-NEXT:    retq | 
|  | ; KNL-NEXT:  LBB37_1: ## %overflow | 
|  | ; KNL-NEXT:    xorl %eax, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2) | 
|  | %val = extractvalue {i32, i1} %t, 0 | 
|  | %obit = extractvalue {i32, i1} %t, 1 | 
|  | br i1 %obit, label %overflow, label %continue, !prof !0 | 
|  |  | 
|  | overflow: | 
|  | ret i1 false | 
|  |  | 
|  | continue: | 
|  | ret i1 true | 
|  | } | 
|  |  | 
|  | define zeroext i1 @usubobri64(i64 %v1, i64 %v2) { | 
|  | ; SDAG-LABEL: usubobri64: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    cmpq %rsi, %rdi | 
|  | ; SDAG-NEXT:    jb LBB38_1 | 
|  | ; SDAG-NEXT:  ## %bb.2: ## %continue | 
|  | ; SDAG-NEXT:    movb $1, %al | 
|  | ; SDAG-NEXT:    retq | 
|  | ; SDAG-NEXT:  LBB38_1: ## %overflow | 
|  | ; SDAG-NEXT:    xorl %eax, %eax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: usubobri64: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    cmpq %rsi, %rdi | 
|  | ; FAST-NEXT:    jb LBB38_1 | 
|  | ; FAST-NEXT:  ## %bb.2: ## %continue | 
|  | ; FAST-NEXT:    movb $1, %al | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; FAST-NEXT:  LBB38_1: ## %overflow | 
|  | ; FAST-NEXT:    xorl %eax, %eax | 
|  | ; FAST-NEXT:    andb $1, %al | 
|  | ; FAST-NEXT:    movzbl %al, %eax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: usubobri64: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    cmpq %rsi, %rdi | 
|  | ; KNL-NEXT:    jb LBB38_1 | 
|  | ; KNL-NEXT:  ## %bb.2: ## %continue | 
|  | ; KNL-NEXT:    movb $1, %al | 
|  | ; KNL-NEXT:    retq | 
|  | ; KNL-NEXT:  LBB38_1: ## %overflow | 
|  | ; KNL-NEXT:    xorl %eax, %eax | 
|  | ; KNL-NEXT:    retq | 
|  | %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2) | 
|  | %val = extractvalue {i64, i1} %t, 0 | 
|  | %obit = extractvalue {i64, i1} %t, 1 | 
|  | br i1 %obit, label %overflow, label %continue, !prof !0 | 
|  |  | 
|  | overflow: | 
|  | ret i1 false | 
|  |  | 
|  | continue: | 
|  | ret i1 true | 
|  | } | 
|  |  | 
|  | define {i64, i1} @uaddoovf(i64 %a, i64 %b) { | 
|  | ; SDAG-LABEL: uaddoovf: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    movzbl %dil, %ecx | 
|  | ; SDAG-NEXT:    movzbl %sil, %eax | 
|  | ; SDAG-NEXT:    addq %rcx, %rax | 
|  | ; SDAG-NEXT:    xorl %edx, %edx | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: uaddoovf: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    movzbl %dil, %ecx | 
|  | ; FAST-NEXT:    movzbl %sil, %eax | 
|  | ; FAST-NEXT:    addq %rcx, %rax | 
|  | ; FAST-NEXT:    xorl %edx, %edx | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: uaddoovf: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    movzbl %dil, %ecx | 
|  | ; KNL-NEXT:    movzbl %sil, %eax | 
|  | ; KNL-NEXT:    addq %rcx, %rax | 
|  | ; KNL-NEXT:    xorl %edx, %edx | 
|  | ; KNL-NEXT:    retq | 
|  | %1 = and i64 %a, 255 | 
|  | %2 = and i64 %b, 255 | 
|  | %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %1, i64 %2) | 
|  | ret {i64, i1} %t | 
|  | } | 
|  |  | 
|  | define {i64, i1} @usuboovf(i64 %a, i64 %b) { | 
|  | ; SDAG-LABEL: usuboovf: | 
|  | ; SDAG:       ## %bb.0: | 
|  | ; SDAG-NEXT:    notq %rsi | 
|  | ; SDAG-NEXT:    xorl %edx, %edx | 
|  | ; SDAG-NEXT:    movq %rsi, %rax | 
|  | ; SDAG-NEXT:    retq | 
|  | ; | 
|  | ; FAST-LABEL: usuboovf: | 
|  | ; FAST:       ## %bb.0: | 
|  | ; FAST-NEXT:    notq %rsi | 
|  | ; FAST-NEXT:    xorl %edx, %edx | 
|  | ; FAST-NEXT:    movq %rsi, %rax | 
|  | ; FAST-NEXT:    retq | 
|  | ; | 
|  | ; KNL-LABEL: usuboovf: | 
|  | ; KNL:       ## %bb.0: | 
|  | ; KNL-NEXT:    notq %rsi | 
|  | ; KNL-NEXT:    xorl %edx, %edx | 
|  | ; KNL-NEXT:    movq %rsi, %rax | 
|  | ; KNL-NEXT:    retq | 
|  | %t0 = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %a, i64 %a) | 
|  | %v0 = extractvalue {i64, i1} %t0, 0 | 
|  | %o0 = extractvalue {i64, i1} %t0, 1 | 
|  | %t1 = call {i64, i1} @llvm.usub.with.overflow.i64(i64 -1, i64 %b) | 
|  | %v1 = extractvalue {i64, i1} %t1, 0 | 
|  | %o1 = extractvalue {i64, i1} %t1, 1 | 
|  | %oo = or i1 %o0, %o1 | 
|  | %t2 = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v0) | 
|  | %v2 = extractvalue {i64, i1} %t2, 0 | 
|  | %o2 = extractvalue {i64, i1} %t2, 1 | 
|  | %ooo = or i1 %oo, %o2 | 
|  | %t = insertvalue {i64, i1} %t2, i1 %ooo, 1 | 
|  | ret {i64, i1} %t | 
|  | } | 
|  |  | 
|  | declare {i8,  i1} @llvm.sadd.with.overflow.i8 (i8,  i8 ) nounwind readnone | 
|  | declare {i16, i1} @llvm.sadd.with.overflow.i16(i16, i16) nounwind readnone | 
|  | declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone | 
|  | declare {i64, i1} @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone | 
|  | declare {i8,  i1} @llvm.uadd.with.overflow.i8 (i8,  i8 ) nounwind readnone | 
|  | declare {i16, i1} @llvm.uadd.with.overflow.i16(i16, i16) nounwind readnone | 
|  | declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone | 
|  | declare {i64, i1} @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone | 
|  | declare {i32, i1} @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone | 
|  | declare {i64, i1} @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone | 
|  | declare {i32, i1} @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone | 
|  | declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone | 
|  |  | 
|  | !0 = !{!"branch_weights", i32 0, i32 2147483647} |