| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-pc-linux-gnu | FileCheck %s --check-prefix=X32 |
| ; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu | FileCheck %s --check-prefix=X64 |
| |
| define zeroext i16 @test1(i16 zeroext %x) nounwind { |
| ; X32-LABEL: test1: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: imull $63551, %eax, %eax # imm = 0xF83F |
| ; X32-NEXT: shrl $21, %eax |
| ; X32-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test1: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: imull $63551, %edi, %eax # imm = 0xF83F |
| ; X64-NEXT: shrl $21, %eax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| entry: |
| %div = udiv i16 %x, 33 |
| ret i16 %div |
| } |
| |
| define zeroext i16 @test2(i8 signext %x, i16 zeroext %c) nounwind readnone ssp noredzone { |
| ; X32-LABEL: test2: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: imull $43691, %eax, %eax # imm = 0xAAAB |
| ; X32-NEXT: shrl $17, %eax |
| ; X32-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test2: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: imull $43691, %esi, %eax # imm = 0xAAAB |
| ; X64-NEXT: shrl $17, %eax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| entry: |
| %div = udiv i16 %c, 3 |
| ret i16 %div |
| |
| } |
| |
| define zeroext i8 @test3(i8 zeroext %x, i8 zeroext %c) nounwind readnone ssp noredzone { |
| ; X32-LABEL: test3: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: imull $171, %eax, %eax |
| ; X32-NEXT: shrl $9, %eax |
| ; X32-NEXT: # kill: def $al killed $al killed $eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test3: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: imull $171, %esi, %eax |
| ; X64-NEXT: shrl $9, %eax |
| ; X64-NEXT: # kill: def $al killed $al killed $eax |
| ; X64-NEXT: retq |
| entry: |
| %div = udiv i8 %c, 3 |
| ret i8 %div |
| } |
| |
| define signext i16 @test4(i16 signext %x) nounwind { |
| ; X32-LABEL: test4: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movswl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: imull $1986, %eax, %eax # imm = 0x7C2 |
| ; X32-NEXT: movl %eax, %ecx |
| ; X32-NEXT: shrl $31, %ecx |
| ; X32-NEXT: shrl $16, %eax |
| ; X32-NEXT: addl %ecx, %eax |
| ; X32-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test4: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: imull $1986, %edi, %eax # imm = 0x7C2 |
| ; X64-NEXT: movl %eax, %ecx |
| ; X64-NEXT: shrl $31, %ecx |
| ; X64-NEXT: shrl $16, %eax |
| ; X64-NEXT: addl %ecx, %eax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| entry: |
| %div = sdiv i16 %x, 33 ; <i32> [#uses=1] |
| ret i16 %div |
| } |
| |
| define i32 @test5(i32 %A) nounwind { |
| ; X32-LABEL: test5: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movl $365384439, %eax # imm = 0x15C752F7 |
| ; X32-NEXT: mull {{[0-9]+}}(%esp) |
| ; X32-NEXT: shrl $27, %edx |
| ; X32-NEXT: movl %edx, %eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test5: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: imulq $365384439, %rax, %rax # imm = 0x15C752F7 |
| ; X64-NEXT: shrq $59, %rax |
| ; X64-NEXT: # kill: def $eax killed $eax killed $rax |
| ; X64-NEXT: retq |
| %tmp1 = udiv i32 %A, 1577682821 ; <i32> [#uses=1] |
| ret i32 %tmp1 |
| } |
| |
| define signext i16 @test6(i16 signext %x) nounwind { |
| ; X32-LABEL: test6: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movswl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: imull $26215, %eax, %eax # imm = 0x6667 |
| ; X32-NEXT: movl %eax, %ecx |
| ; X32-NEXT: shrl $31, %ecx |
| ; X32-NEXT: sarl $18, %eax |
| ; X32-NEXT: addl %ecx, %eax |
| ; X32-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test6: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: imull $26215, %edi, %eax # imm = 0x6667 |
| ; X64-NEXT: movl %eax, %ecx |
| ; X64-NEXT: shrl $31, %ecx |
| ; X64-NEXT: sarl $18, %eax |
| ; X64-NEXT: addl %ecx, %eax |
| ; X64-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X64-NEXT: retq |
| entry: |
| %div = sdiv i16 %x, 10 |
| ret i16 %div |
| } |
| |
| define i32 @test7(i32 %x) nounwind { |
| ; X32-LABEL: test7: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: shrl $2, %eax |
| ; X32-NEXT: movl $613566757, %ecx # imm = 0x24924925 |
| ; X32-NEXT: mull %ecx |
| ; X32-NEXT: movl %edx, %eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test7: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: shrl $2, %edi |
| ; X64-NEXT: imulq $613566757, %rdi, %rax # imm = 0x24924925 |
| ; X64-NEXT: shrq $32, %rax |
| ; X64-NEXT: # kill: def $eax killed $eax killed $rax |
| ; X64-NEXT: retq |
| %div = udiv i32 %x, 28 |
| ret i32 %div |
| } |
| |
| ; PR13326 |
| define i8 @test8(i8 %x) nounwind { |
| ; X32-LABEL: test8: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movb {{[0-9]+}}(%esp), %al |
| ; X32-NEXT: shrb %al |
| ; X32-NEXT: movzbl %al, %eax |
| ; X32-NEXT: imull $211, %eax, %eax |
| ; X32-NEXT: shrl $13, %eax |
| ; X32-NEXT: # kill: def $al killed $al killed $eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: shrb %dil |
| ; X64-NEXT: movzbl %dil, %eax |
| ; X64-NEXT: imull $211, %eax, %eax |
| ; X64-NEXT: shrl $13, %eax |
| ; X64-NEXT: # kill: def $al killed $al killed $eax |
| ; X64-NEXT: retq |
| %div = udiv i8 %x, 78 |
| ret i8 %div |
| } |
| |
| define i8 @test9(i8 %x) nounwind { |
| ; X32-LABEL: test9: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movb {{[0-9]+}}(%esp), %al |
| ; X32-NEXT: shrb $2, %al |
| ; X32-NEXT: movzbl %al, %eax |
| ; X32-NEXT: imull $71, %eax, %eax |
| ; X32-NEXT: shrl $11, %eax |
| ; X32-NEXT: # kill: def $al killed $al killed $eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: test9: |
| ; X64: # %bb.0: |
| ; X64-NEXT: shrb $2, %dil |
| ; X64-NEXT: movzbl %dil, %eax |
| ; X64-NEXT: imull $71, %eax, %eax |
| ; X64-NEXT: shrl $11, %eax |
| ; X64-NEXT: # kill: def $al killed $al killed $eax |
| ; X64-NEXT: retq |
| %div = udiv i8 %x, 116 |
| ret i8 %div |
| } |
| |
| define i32 @testsize1(i32 %x) minsize nounwind { |
| ; X32-LABEL: testsize1: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: pushl $32 |
| ; X32-NEXT: popl %ecx |
| ; X32-NEXT: cltd |
| ; X32-NEXT: idivl %ecx |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: testsize1: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: pushq $32 |
| ; X64-NEXT: popq %rcx |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: cltd |
| ; X64-NEXT: idivl %ecx |
| ; X64-NEXT: retq |
| entry: |
| %div = sdiv i32 %x, 32 |
| ret i32 %div |
| } |
| |
| define i32 @testsize2(i32 %x) minsize nounwind { |
| ; X32-LABEL: testsize2: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: pushl $33 |
| ; X32-NEXT: popl %ecx |
| ; X32-NEXT: cltd |
| ; X32-NEXT: idivl %ecx |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: testsize2: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: pushq $33 |
| ; X64-NEXT: popq %rcx |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: cltd |
| ; X64-NEXT: idivl %ecx |
| ; X64-NEXT: retq |
| entry: |
| %div = sdiv i32 %x, 33 |
| ret i32 %div |
| } |
| |
| define i32 @testsize3(i32 %x) minsize nounwind { |
| ; X32-LABEL: testsize3: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: shrl $5, %eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: testsize3: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: shrl $5, %edi |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: retq |
| entry: |
| %div = udiv i32 %x, 32 |
| ret i32 %div |
| } |
| |
| define i32 @testsize4(i32 %x) minsize nounwind { |
| ; X32-LABEL: testsize4: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: pushl $33 |
| ; X32-NEXT: popl %ecx |
| ; X32-NEXT: xorl %edx, %edx |
| ; X32-NEXT: divl %ecx |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: testsize4: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: pushq $33 |
| ; X64-NEXT: popq %rcx |
| ; X64-NEXT: xorl %edx, %edx |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: divl %ecx |
| ; X64-NEXT: retq |
| entry: |
| %div = udiv i32 %x, 33 |
| ret i32 %div |
| } |
| |
| define i64 @PR23590(i64 %x) nounwind { |
| ; X32-LABEL: PR23590: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: pushl $0 |
| ; X32-NEXT: pushl $12345 # imm = 0x3039 |
| ; X32-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X32-NEXT: pushl {{[0-9]+}}(%esp) |
| ; X32-NEXT: calll __umoddi3 |
| ; X32-NEXT: addl $16, %esp |
| ; X32-NEXT: pushl $0 |
| ; X32-NEXT: pushl $7 |
| ; X32-NEXT: pushl %edx |
| ; X32-NEXT: pushl %eax |
| ; X32-NEXT: calll __udivdi3 |
| ; X32-NEXT: addl $28, %esp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: PR23590: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: movq %rdi, %rcx |
| ; X64-NEXT: movabsq $6120523590596543007, %rdx # imm = 0x54F077C718E7C21F |
| ; X64-NEXT: movq %rdi, %rax |
| ; X64-NEXT: mulq %rdx |
| ; X64-NEXT: shrq $12, %rdx |
| ; X64-NEXT: imulq $12345, %rdx, %rax # imm = 0x3039 |
| ; X64-NEXT: subq %rax, %rcx |
| ; X64-NEXT: movabsq $2635249153387078803, %rdx # imm = 0x2492492492492493 |
| ; X64-NEXT: movq %rcx, %rax |
| ; X64-NEXT: mulq %rdx |
| ; X64-NEXT: subq %rdx, %rcx |
| ; X64-NEXT: shrq %rcx |
| ; X64-NEXT: leaq (%rcx,%rdx), %rax |
| ; X64-NEXT: shrq $2, %rax |
| ; X64-NEXT: retq |
| entry: |
| %rem = urem i64 %x, 12345 |
| %div = udiv i64 %rem, 7 |
| ret i64 %div |
| } |
| |
| define { i64, i32 } @PR38622(i64) nounwind { |
| ; X32-LABEL: PR38622: |
| ; X32: # %bb.0: |
| ; X32-NEXT: pushl %ebp |
| ; X32-NEXT: pushl %ebx |
| ; X32-NEXT: pushl %edi |
| ; X32-NEXT: pushl %esi |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %ebx |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %ebp |
| ; X32-NEXT: pushl $0 |
| ; X32-NEXT: pushl $-294967296 # imm = 0xEE6B2800 |
| ; X32-NEXT: pushl %ebp |
| ; X32-NEXT: pushl %ebx |
| ; X32-NEXT: calll __udivdi3 |
| ; X32-NEXT: addl $16, %esp |
| ; X32-NEXT: movl %eax, %esi |
| ; X32-NEXT: movl %edx, %edi |
| ; X32-NEXT: pushl $0 |
| ; X32-NEXT: pushl $-294967296 # imm = 0xEE6B2800 |
| ; X32-NEXT: pushl %ebp |
| ; X32-NEXT: pushl %ebx |
| ; X32-NEXT: calll __umoddi3 |
| ; X32-NEXT: addl $16, %esp |
| ; X32-NEXT: movl %eax, %ecx |
| ; X32-NEXT: movl %esi, %eax |
| ; X32-NEXT: movl %edi, %edx |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: popl %esi |
| ; X32-NEXT: popl %edi |
| ; X32-NEXT: popl %ebx |
| ; X32-NEXT: popl %ebp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: PR38622: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movq %rdi, %rax |
| ; X64-NEXT: shrq $11, %rax |
| ; X64-NEXT: movabsq $4835703278458517, %rcx # imm = 0x112E0BE826D695 |
| ; X64-NEXT: mulq %rcx |
| ; X64-NEXT: shrq $9, %rdx |
| ; X64-NEXT: imull $-294967296, %edx, %eax # imm = 0xEE6B2800 |
| ; X64-NEXT: subl %eax, %edi |
| ; X64-NEXT: movq %rdx, %rax |
| ; X64-NEXT: movl %edi, %edx |
| ; X64-NEXT: retq |
| %2 = udiv i64 %0, 4000000000 |
| %3 = urem i64 %0, 4000000000 |
| %4 = trunc i64 %3 to i32 |
| %5 = insertvalue { i64, i32 } undef, i64 %2, 0 |
| %6 = insertvalue { i64, i32 } %5, i32 %4, 1 |
| ret { i64, i32 } %6 |
| } |
| |
| define { i64, i32 } @PR38622_signed(i64) nounwind { |
| ; X32-LABEL: PR38622_signed: |
| ; X32: # %bb.0: |
| ; X32-NEXT: pushl %ebp |
| ; X32-NEXT: pushl %ebx |
| ; X32-NEXT: pushl %edi |
| ; X32-NEXT: pushl %esi |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %ebx |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %ebp |
| ; X32-NEXT: pushl $0 |
| ; X32-NEXT: pushl $-294967296 # imm = 0xEE6B2800 |
| ; X32-NEXT: pushl %ebp |
| ; X32-NEXT: pushl %ebx |
| ; X32-NEXT: calll __divdi3 |
| ; X32-NEXT: addl $16, %esp |
| ; X32-NEXT: movl %eax, %esi |
| ; X32-NEXT: movl %edx, %edi |
| ; X32-NEXT: pushl $0 |
| ; X32-NEXT: pushl $-294967296 # imm = 0xEE6B2800 |
| ; X32-NEXT: pushl %ebp |
| ; X32-NEXT: pushl %ebx |
| ; X32-NEXT: calll __moddi3 |
| ; X32-NEXT: addl $16, %esp |
| ; X32-NEXT: movl %eax, %ecx |
| ; X32-NEXT: movl %esi, %eax |
| ; X32-NEXT: movl %edi, %edx |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: popl %esi |
| ; X32-NEXT: popl %edi |
| ; X32-NEXT: popl %ebx |
| ; X32-NEXT: popl %ebp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: PR38622_signed: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movabsq $1237940039285380275, %rcx # imm = 0x112E0BE826D694B3 |
| ; X64-NEXT: movq %rdi, %rax |
| ; X64-NEXT: imulq %rcx |
| ; X64-NEXT: movq %rdx, %rcx |
| ; X64-NEXT: shrq $63, %rcx |
| ; X64-NEXT: sarq $28, %rdx |
| ; X64-NEXT: leaq (%rdx,%rcx), %rax |
| ; X64-NEXT: addl %ecx, %edx |
| ; X64-NEXT: imull $-294967296, %edx, %ecx # imm = 0xEE6B2800 |
| ; X64-NEXT: subl %ecx, %edi |
| ; X64-NEXT: movl %edi, %edx |
| ; X64-NEXT: retq |
| %2 = sdiv i64 %0, 4000000000 |
| %3 = srem i64 %0, 4000000000 |
| %4 = trunc i64 %3 to i32 |
| %5 = insertvalue { i64, i32 } undef, i64 %2, 0 |
| %6 = insertvalue { i64, i32 } %5, i32 %4, 1 |
| ret { i64, i32 } %6 |
| } |