xref: /llvm-project/llvm/test/CodeGen/X86/pr39926.ll (revision f0dd12ec5c0169ba5b4363b62d59511181cf954a)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=avx | FileCheck %s
3define i8 @test_offset(ptr %base) {
4; CHECK-LABEL: test_offset:
5; CHECK:       # %bb.0: # %entry
6; CHECK-NEXT:    pushq %rax
7; CHECK-NEXT:    .cfi_def_cfa_offset 16
8; CHECK-NEXT:    movb $0, 7(%rdi)
9; CHECK-NEXT:    movw $0, 5(%rdi)
10; CHECK-NEXT:    movl $0, 1(%rdi)
11; CHECK-NEXT:    movl -4(%rdi), %eax
12; CHECK-NEXT:    movl %eax, -{{[0-9]+}}(%rsp)
13; CHECK-NEXT:    movzbl (%rdi), %eax
14; CHECK-NEXT:    movb %al, -{{[0-9]+}}(%rsp)
15; CHECK-NEXT:    movl 1(%rdi), %eax
16; CHECK-NEXT:    movl %eax, -{{[0-9]+}}(%rsp)
17; CHECK-NEXT:    movzwl 5(%rdi), %eax
18; CHECK-NEXT:    movw %ax, -{{[0-9]+}}(%rsp)
19; CHECK-NEXT:    movzbl 7(%rdi), %eax
20; CHECK-NEXT:    movb %al, -{{[0-9]+}}(%rsp)
21; CHECK-NEXT:    movl 8(%rdi), %eax
22; CHECK-NEXT:    movl %eax, -{{[0-9]+}}(%rsp)
23; CHECK-NEXT:    movzbl -{{[0-9]+}}(%rsp), %eax
24; CHECK-NEXT:    popq %rcx
25; CHECK-NEXT:    .cfi_def_cfa_offset 8
26; CHECK-NEXT:    retq
27entry:
28  %z = alloca [128 x i8], align 16
29  %gep0 = getelementptr inbounds i8, ptr %base, i64 7
30  store volatile i8 0, ptr %gep0
31  %gep1 = getelementptr inbounds i8, ptr %base, i64 5
32  store volatile i16 0, ptr %gep1
33  %gep2 = getelementptr inbounds i8, ptr %base, i64 1
34  store volatile i32 0, ptr %gep2
35
36  %y1 = getelementptr inbounds i8, ptr %base, i64 -4
37  call void @llvm.memcpy.p0.p0.i64(ptr %z, ptr %y1, i64 16, i1 false)
38
39  %gep4 = getelementptr inbounds [128 x i8], ptr %z, i64 0, i64 4
40  %ret = load i8, ptr %gep4
41  ret i8 %ret
42}
43
44; Function Attrs: argmemonly nounwind
45declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1)
46