| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=X86 |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=X64 |
| |
| ; Check for assert in foldMaskAndShiftToScale due to out of range mask scaling. |
| |
| @b = common global i8 zeroinitializer, align 1 |
| @c = common global i8 zeroinitializer, align 1 |
| @d = common global i64 zeroinitializer, align 8 |
| @e = common global i64 zeroinitializer, align 8 |
| |
| define void @foo() { |
| ; X86-LABEL: foo: |
| ; X86: # %bb.0: |
| ; X86-NEXT: pushl %eax |
| ; X86-NEXT: .cfi_def_cfa_offset 8 |
| ; X86-NEXT: movl d, %eax |
| ; X86-NEXT: notl %eax |
| ; X86-NEXT: movl d+4, %ecx |
| ; X86-NEXT: notl %ecx |
| ; X86-NEXT: andl $701685459, %ecx # imm = 0x29D2DED3 |
| ; X86-NEXT: andl $-564453154, %eax # imm = 0xDE5B20DE |
| ; X86-NEXT: shrdl $21, %ecx, %eax |
| ; X86-NEXT: shrl $21, %ecx |
| ; X86-NEXT: andl $-2, %eax |
| ; X86-NEXT: xorl %edx, %edx |
| ; X86-NEXT: addl $7, %eax |
| ; X86-NEXT: adcxl %edx, %ecx |
| ; X86-NEXT: pushl %ecx |
| ; X86-NEXT: .cfi_adjust_cfa_offset 4 |
| ; X86-NEXT: pushl %eax |
| ; X86-NEXT: .cfi_adjust_cfa_offset 4 |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: .cfi_adjust_cfa_offset 4 |
| ; X86-NEXT: pushl $0 |
| ; X86-NEXT: .cfi_adjust_cfa_offset 4 |
| ; X86-NEXT: calll __divdi3 |
| ; X86-NEXT: addl $16, %esp |
| ; X86-NEXT: .cfi_adjust_cfa_offset -16 |
| ; X86-NEXT: orl %eax, %edx |
| ; X86-NEXT: setne {{[0-9]+}}(%esp) |
| ; X86-NEXT: popl %eax |
| ; X86-NEXT: .cfi_def_cfa_offset 4 |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: foo: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movq {{.*}}(%rip), %rax |
| ; X64-NEXT: movabsq $3013716102212485120, %rcx # imm = 0x29D2DED3DE400000 |
| ; X64-NEXT: andnq %rcx, %rax, %rcx |
| ; X64-NEXT: shrq $21, %rcx |
| ; X64-NEXT: addq $7, %rcx |
| ; X64-NEXT: movabsq $4393751543808, %rax # imm = 0x3FF00000000 |
| ; X64-NEXT: testq %rax, %rcx |
| ; X64-NEXT: je .LBB0_1 |
| ; X64-NEXT: # %bb.2: |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: xorl %edx, %edx |
| ; X64-NEXT: divq %rcx |
| ; X64-NEXT: jmp .LBB0_3 |
| ; X64-NEXT: .LBB0_1: |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: xorl %edx, %edx |
| ; X64-NEXT: divl %ecx |
| ; X64-NEXT: # kill: def $eax killed $eax def $rax |
| ; X64-NEXT: .LBB0_3: |
| ; X64-NEXT: testq %rax, %rax |
| ; X64-NEXT: setne -{{[0-9]+}}(%rsp) |
| ; X64-NEXT: retq |
| %1 = alloca i8, align 1 |
| %2 = load i64, i64* @d, align 8 |
| %3 = or i64 -3013716102214263007, %2 |
| %4 = xor i64 %3, -1 |
| %5 = load i64, i64* @e, align 8 |
| %6 = load i8, i8* @b, align 1 |
| %7 = trunc i8 %6 to i1 |
| %8 = zext i1 %7 to i64 |
| %9 = xor i64 %5, %8 |
| %10 = load i8, i8* @c, align 1 |
| %11 = trunc i8 %10 to i1 |
| %12 = zext i1 %11 to i32 |
| %13 = or i32 551409149, %12 |
| %14 = sub nsw i32 %13, 551409131 |
| %15 = zext i32 %14 to i64 |
| %16 = shl i64 %9, %15 |
| %17 = sub nsw i64 %16, 223084523 |
| %18 = ashr i64 %4, %17 |
| %19 = and i64 %18, 9223372036854775806 |
| %20 = add nsw i64 7, %19 |
| %21 = sdiv i64 0, %20 |
| %22 = icmp ne i64 %21, 0 |
| %23 = zext i1 %22 to i8 |
| store i8 %23, i8* %1, align 1 |
| ret void |
| } |