xref: /llvm-project/llvm/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll (revision e018cbf7208b3d34f18997ddee84c66cee32fb1b)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-- -mcpu=core2 | FileCheck %s
3
4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
5declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind
6
7define fastcc i32 @cli_magic_scandesc(ptr %in) nounwind ssp {
8; CHECK-LABEL: cli_magic_scandesc:
9; CHECK:       # %bb.0: # %entry
10; CHECK-NEXT:    subq $72, %rsp
11; CHECK-NEXT:    movq __stack_chk_guard(%rip), %rax
12; CHECK-NEXT:    movq %rax, {{[0-9]+}}(%rsp)
13; CHECK-NEXT:    movzbl (%rsp), %eax
14; CHECK-NEXT:    movzbl {{[0-9]+}}(%rsp), %ecx
15; CHECK-NEXT:    movq (%rdi), %rdx
16; CHECK-NEXT:    movq 8(%rdi), %rsi
17; CHECK-NEXT:    movq %rdx, (%rsp)
18; CHECK-NEXT:    movq 24(%rdi), %rdx
19; CHECK-NEXT:    movq %rdx, {{[0-9]+}}(%rsp)
20; CHECK-NEXT:    movq %rsi, {{[0-9]+}}(%rsp)
21; CHECK-NEXT:    movq 16(%rdi), %rdx
22; CHECK-NEXT:    movq %rdx, {{[0-9]+}}(%rsp)
23; CHECK-NEXT:    movq 32(%rdi), %rdx
24; CHECK-NEXT:    movq %rdx, {{[0-9]+}}(%rsp)
25; CHECK-NEXT:    movq 40(%rdi), %rdx
26; CHECK-NEXT:    movq %rdx, {{[0-9]+}}(%rsp)
27; CHECK-NEXT:    movq 48(%rdi), %rdx
28; CHECK-NEXT:    movq %rdx, {{[0-9]+}}(%rsp)
29; CHECK-NEXT:    movq 56(%rdi), %rdx
30; CHECK-NEXT:    movq %rdx, {{[0-9]+}}(%rsp)
31; CHECK-NEXT:    movb %al, (%rsp)
32; CHECK-NEXT:    movb %cl, {{[0-9]+}}(%rsp)
33; CHECK-NEXT:    movq __stack_chk_guard(%rip), %rax
34; CHECK-NEXT:    cmpq {{[0-9]+}}(%rsp), %rax
35; CHECK-NEXT:    jne .LBB0_2
36; CHECK-NEXT:  # %bb.1: # %entry
37; CHECK-NEXT:    xorl %eax, %eax
38; CHECK-NEXT:    addq $72, %rsp
39; CHECK-NEXT:    retq
40; CHECK-NEXT:  .LBB0_2: # %entry
41; CHECK-NEXT:    callq __stack_chk_fail@PLT
42entry:
43  %a = alloca [64 x i8]
44  %c = getelementptr inbounds [64 x i8], ptr %a, i64 0, i32 30
45  %d = load i8, ptr %a, align 8
46  %e = load i8, ptr %c, align 8
47  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %a, ptr align 8 %in, i64 64, i1 false) nounwind
48  store i8 %d, ptr %a, align 8
49  store i8 %e, ptr %c, align 8
50  ret i32 0
51}
52
53!llvm.module.flags = !{!0}
54!0 = !{i32 7, !"direct-access-external-data", i32 1}
55