xref: /llvm-project/llvm/test/CodeGen/X86/pr63430.ll (revision 81ec494c363d4934e692e8b35e0b3fbbc3de1c2b)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no_x86_scrub_sp --version 2
2; RUN: llc -mtriple=x86_64-unknown-linux < %s | FileCheck %s
3
4; Make sure the argument is read before the stack slot is over-written.
5define i1 @test(ptr %a0, ptr %a1, ptr %a2, ptr %a3, ptr %a4, ptr %a5, i128 %x) {
6; CHECK-LABEL: test:
7; CHECK:       # %bb.0:
8; CHECK-NEXT:    movq 8(%rsp), %rax
9; CHECK-NEXT:    xorps %xmm0, %xmm0
10; CHECK-NEXT:    andq 16(%rsp), %rax
11; CHECK-NEXT:    movaps %xmm0, 8(%rsp)
12; CHECK-NEXT:    cmpq $-1, %rax
13; CHECK-NEXT:    sete %al
14; CHECK-NEXT:    retq
15  %alloca = alloca i128
16  store i128 %x, ptr %alloca
17  store i128 0, ptr %alloca
18  %cmp = icmp eq i128 %x, -1
19  ret i1 %cmp
20}
21