xref: /llvm-project/llvm/test/CodeGen/X86/ms-inline-asm-variables-x86-2-regs.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=i386-unknown-unknown %s -o - | FileCheck --check-prefix=X86 %s
3; RUN: not llc -mtriple=i386-unknown-unknown -relocation-model=pic %s -o /dev/null 2>&1 | FileCheck --check-prefix=X86PIC %s
4
5; Tests come from "clang/test/CodeGen/ms-inline-asm-variables.c"
6;
7; int gVar;
8; void t1() {
9;  __asm add ecx, dword ptr gVar[4590 + eax + ecx*4]
10;  __asm add dword ptr [gVar + eax + 45 + 23 - 53 + 60 - 2 + ecx*8], ecx
11;  __asm add 1 + 1 + 2 + 3[gVar + ecx + ebx], eax
12;
13; gVar = 3;
14; }
15
16@gVar = global i32 0, align 4
17
18; Function Attrs: noinline nounwind optnone uwtable
19define void @t1() #0 {
20; X86-LABEL: t1:
21; X86:       # %bb.0: # %entry
22; X86-NEXT:    pushl %ebp
23; X86-NEXT:    .cfi_def_cfa_offset 8
24; X86-NEXT:    .cfi_offset %ebp, -8
25; X86-NEXT:    movl %esp, %ebp
26; X86-NEXT:    .cfi_def_cfa_register %ebp
27; X86-NEXT:    #APP
28; X86-EMPTY:
29; X86-NEXT:    addl gVar+4590(%eax,%ecx,4), %ecx
30; X86-NEXT:    addl %ecx, gVar+73(%eax,%ecx,8)
31; X86-NEXT:    addl %eax, gVar+7(%ecx,%ebx)
32; X86-EMPTY:
33; X86-NEXT:    #NO_APP
34; X86-NEXT:    movl $3, gVar
35; X86-NEXT:    popl %ebp
36; X86-NEXT:    .cfi_def_cfa %esp, 4
37; X86-NEXT:    retl
38
39; X86PIC: error: Don't use 2 or more regs for mem offset in PIC model
40; X86PIC: error: Don't use 2 or more regs for mem offset in PIC model
41; X86PIC: error: Don't use 2 or more regs for mem offset in PIC model
42
43entry:
44  call void asm sideeffect inteldialect "add ecx, dword ptr ${2:P}[eax + ecx * $$4 + $$4590]\0A\09add dword ptr ${0:P}[eax + ecx * $$8 + $$73], ecx\0A\09add ${1:P}[ecx + ebx + $$7], eax", "=*m,=*m,*m,~{eax},~{ecx},~{flags},~{dirflag},~{fpsr},~{flags}"(ptr elementtype(i32) @gVar, ptr elementtype(i32) @gVar, ptr elementtype(i32) @gVar) #1
45  store i32 3, ptr @gVar, align 4
46  ret void
47}
48
49attributes #0 = { noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
50attributes #1 = { nounwind }
51
52!llvm.module.flags = !{!0}
53
54!0 = !{i32 1, !"NumRegisterParameters", i32 0}
55