1 ; RUN: llc -mtriple=x86_64-pc-linux -force-align-stack -stack-alignment=32 < %s | FileCheck %s 2 ; RUN: llc -mtriple=x86_64-pc-linux-gnux32 -force-align-stack -stack-alignment=32 < %s | FileCheck -check-prefix=X32ABI %s 3 ; This should run with NaCl as well ( -mtriple=x86_64-pc-nacl ) but currently doesn't due to PR22655 4 5 ; Make sure the correct register gets set up as the base pointer 6 ; This should be rbx for x64 and 64-bit NaCl and ebx for x32 7 ; CHECK-LABEL: base 8 ; CHECK: subq $32, %rsp 9 ; CHECK: movq %rsp, %rbx 10 ; X32ABI-LABEL: base 11 ; X32ABI: subl $32, %esp 12 ; X32ABI: movl %esp, %ebx 13 ; NACL-LABEL: base 14 ; NACL: subq $32, %rsp 15 ; NACL: movq %rsp, %rbx 16 17 declare i32 @helper() nounwind 18 define void @base() #0 { 19 entry: 20 %k = call i32 @helper() 21 %a = alloca i32, i32 %k, align 4 22 store i32 0, i32* %a, align 4 23 ret void 24 } 25 26 attributes #0 = { nounwind uwtable "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"} 27