| ; RUN: llc -mtriple=x86_64-pc-linux -stackrealign -stack-alignment=32 < %s | FileCheck %s |
| ; RUN: llc -mtriple=x86_64-pc-linux-gnux32 -stackrealign -stack-alignment=32 < %s | FileCheck -check-prefix=X32ABI %s |
| ; This should run with NaCl as well ( -mtriple=x86_64-pc-nacl ) but currently doesn't due to PR22655 |
| |
| ; Make sure the correct register gets set up as the base pointer |
| ; This should be rbx for x64 and 64-bit NaCl and ebx for x32 |
| ; CHECK-LABEL: base |
| ; CHECK: subq $32, %rsp |
| ; CHECK: movq %rsp, %rbx |
| ; X32ABI-LABEL: base |
| ; X32ABI: subl $32, %esp |
| ; X32ABI: movl %esp, %ebx |
| ; NACL-LABEL: base |
| ; NACL: subq $32, %rsp |
| ; NACL: movq %rsp, %rbx |
| |
| declare i32 @helper() nounwind |
| define void @base() #0 { |
| entry: |
| %k = call i32 @helper() |
| %a = alloca i32, i32 %k, align 4 |
| store i32 0, i32* %a, align 4 |
| ret void |
| } |
| |
| attributes #0 = { nounwind uwtable "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"} |
