xref: /llvm-project/llvm/test/CodeGen/X86/ms-inline-asm-variables-x64-1-reg.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=x86_64-unknown-unknown -relocation-model=pic %s -o - | FileCheck %s
3
4; Tests come from "clang/test/CodeGen/ms-inline-asm-variables.c"
5; int gVar;
6; void t1() {
7;  __asm add eax, dword ptr gVar[rax]
8;  __asm add dword ptr [rax+gVar], eax
9;  __asm add ebx, dword ptr gVar[271 - 82 + 81 + rbx]
10;  __asm add dword ptr [rbx + gVar + 828], ebx
11;  gVar = 3;
12; }
13;
14; void t2(void) {
15;  int lVar;
16;  __asm mov eax, dword ptr lVar[rax]
17;  __asm mov dword ptr [rax+lVar], eax
18;  __asm mov ebx, dword ptr lVar[271 - 82 + 81 + rbx]
19;  __asm mov dword ptr [rbx + lVar + 828], ebx
20;  __asm mov 5 + 8 + 13 + 21[lVar + rbx], eax
21;  lVar = 2;
22; }
23
24@gVar = global i32 0, align 4
25
26; Function Attrs: noinline nounwind optnone uwtable
27define void @t1() #0 {
28; CHECK-LABEL: t1:
29; CHECK:       # %bb.0: # %entry
30; CHECK-NEXT:    pushq %rbp
31; CHECK-NEXT:    .cfi_def_cfa_offset 16
32; CHECK-NEXT:    .cfi_offset %rbp, -16
33; CHECK-NEXT:    movq %rsp, %rbp
34; CHECK-NEXT:    .cfi_def_cfa_register %rbp
35; CHECK-NEXT:    pushq %rbx
36; CHECK-NEXT:    .cfi_offset %rbx, -24
37; CHECK-NEXT:    movq gVar@GOTPCREL(%rip), %rcx
38; CHECK-NEXT:    #APP
39; CHECK-EMPTY:
40; CHECK-NEXT:    addl (%rcx,%rax), %eax
41; CHECK-NEXT:    addl %eax, (%rcx,%rax)
42; CHECK-NEXT:    addl 270(%rcx,%rbx), %ebx
43; CHECK-NEXT:    addl %ebx, 828(%rcx,%rbx)
44; CHECK-EMPTY:
45; CHECK-NEXT:    #NO_APP
46; CHECK-NEXT:    movq gVar@GOTPCREL(%rip), %rax
47; CHECK-NEXT:    movl $3, (%rax)
48; CHECK-NEXT:    popq %rbx
49; CHECK-NEXT:    popq %rbp
50; CHECK-NEXT:    .cfi_def_cfa %rsp, 8
51; CHECK-NEXT:    retq
52entry:
53  call void asm sideeffect inteldialect "add eax, dword ptr $2[rax]\0A\09add dword ptr $0[rax], eax\0A\09add ebx, dword ptr $3[rbx + $$270]\0A\09add dword ptr $1[rbx + $$828], ebx", "=*m,=*m,*m,*m,~{eax},~{ebx},~{flags},~{dirflag},~{fpsr},~{flags}"(ptr elementtype(i32) @gVar, ptr elementtype(i32) @gVar, ptr elementtype(i32) @gVar, ptr elementtype(i32) @gVar) #1
54  store i32 3, ptr @gVar, align 4
55  ret void
56}
57
58; Function Attrs: noinline nounwind optnone uwtable
59define void @t2() #0 {
60; CHECK-LABEL: t2:
61; CHECK:       # %bb.0: # %entry
62; CHECK-NEXT:    pushq %rbp
63; CHECK-NEXT:    .cfi_def_cfa_offset 16
64; CHECK-NEXT:    .cfi_offset %rbp, -16
65; CHECK-NEXT:    movq %rsp, %rbp
66; CHECK-NEXT:    .cfi_def_cfa_register %rbp
67; CHECK-NEXT:    pushq %rbx
68; CHECK-NEXT:    .cfi_offset %rbx, -24
69; CHECK-NEXT:    #APP
70; CHECK-EMPTY:
71; CHECK-NEXT:    movl -12(%rbp,%rax), %eax
72; CHECK-NEXT:    movl %eax, -12(%rbp,%rax)
73; CHECK-NEXT:    movl 258(%rbp,%rbx), %ebx
74; CHECK-NEXT:    movl %ebx, 816(%rbp,%rbx)
75; CHECK-NEXT:    movl %eax, 35(%rbp,%rbx)
76; CHECK-EMPTY:
77; CHECK-NEXT:    #NO_APP
78; CHECK-NEXT:    movl $2, -12(%rbp)
79; CHECK-NEXT:    popq %rbx
80; CHECK-NEXT:    popq %rbp
81; CHECK-NEXT:    .cfi_def_cfa %rsp, 8
82; CHECK-NEXT:    retq
83entry:
84  %lVar = alloca i32, align 4
85  call void asm sideeffect inteldialect "mov eax, dword ptr $3[rax]\0A\09mov dword ptr $0[rax], eax\0A\09mov ebx, dword ptr $4[rbx + $$270]\0A\09mov dword ptr $1[rbx + $$828], ebx\0A\09mov $2[rbx + $$47], eax", "=*m,=*m,=*m,*m,*m,~{eax},~{ebx},~{dirflag},~{fpsr},~{flags}"(ptr elementtype(i32) %lVar, ptr elementtype(i32) %lVar, ptr elementtype(i32) %lVar, ptr elementtype(i32) %lVar, ptr elementtype(i32) %lVar) #1
86  store i32 2, ptr %lVar, align 4
87  ret void
88}
89
90attributes #0 = { noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
91attributes #1 = { nounwind }
92
93!llvm.module.flags = !{!0}
94
95!0 = !{i32 1, !"wchar_size", i32 4}
96