68 lines
2.2 KiB
LLVM
68 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; 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
|
|
; NACL-LABEL: base
|
|
; NACL: subq $32, %rsp
|
|
; NACL: movq %rsp, %rbx
|
|
|
|
declare i32 @helper() nounwind
|
|
define void @base() #0 {
|
|
; CHECK-LABEL: base:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: pushq %rbp
|
|
; CHECK-NEXT: movq %rsp, %rbp
|
|
; CHECK-NEXT: pushq %rbx
|
|
; CHECK-NEXT: andq $-32, %rsp
|
|
; CHECK-NEXT: subq $32, %rsp
|
|
; CHECK-NEXT: movq %rsp, %rbx
|
|
; CHECK-NEXT: callq helper
|
|
; CHECK-NEXT: movq %rsp, %rcx
|
|
; CHECK-NEXT: movl %eax, %eax
|
|
; CHECK-NEXT: leaq 31(,%rax,4), %rax
|
|
; CHECK-NEXT: andq $-32, %rax
|
|
; CHECK-NEXT: movq %rcx, %rdx
|
|
; CHECK-NEXT: subq %rax, %rdx
|
|
; CHECK-NEXT: movq %rdx, %rsp
|
|
; CHECK-NEXT: negq %rax
|
|
; CHECK-NEXT: movl $0, (%rcx,%rax)
|
|
; CHECK-NEXT: leaq -8(%rbp), %rsp
|
|
; CHECK-NEXT: popq %rbx
|
|
; CHECK-NEXT: popq %rbp
|
|
; CHECK-NEXT: retq
|
|
;
|
|
; X32ABI-LABEL: base:
|
|
; X32ABI: # %bb.0: # %entry
|
|
; X32ABI-NEXT: pushq %rbp
|
|
; X32ABI-NEXT: movl %esp, %ebp
|
|
; X32ABI-NEXT: pushq %rbx
|
|
; X32ABI-NEXT: andl $-32, %esp
|
|
; X32ABI-NEXT: subl $32, %esp
|
|
; X32ABI-NEXT: movl %esp, %ebx
|
|
; X32ABI-NEXT: callq helper
|
|
; X32ABI-NEXT: # kill: def $eax killed $eax def $rax
|
|
; X32ABI-NEXT: leal 31(,%rax,4), %eax
|
|
; X32ABI-NEXT: andl $-32, %eax
|
|
; X32ABI-NEXT: movl %esp, %ecx
|
|
; X32ABI-NEXT: movl %ecx, %edx
|
|
; X32ABI-NEXT: subl %eax, %edx
|
|
; X32ABI-NEXT: negl %eax
|
|
; X32ABI-NEXT: movl %edx, %esp
|
|
; X32ABI-NEXT: movl $0, (%ecx,%eax)
|
|
; X32ABI-NEXT: leal -8(%ebp), %esp
|
|
; X32ABI-NEXT: popq %rbx
|
|
; X32ABI-NEXT: popq %rbp
|
|
; X32ABI-NEXT: retq
|
|
entry:
|
|
%k = call i32 @helper()
|
|
%a = alloca i32, i32 %k, align 4
|
|
store i32 0, i32* %a, align 4
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind "frame-pointer"="all"}
|