1 ; RUN: llc < %s -march=x86 | FileCheck %s --check-prefix=CHECK-32
2 ; RUN: llc < %s -march=x86 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=CHECK-32
3 ; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=CHECK-64
4 ; RUN: llc < %s -march=x86-64 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=CHECK-64
6 define i8* @test1() nounwind {
8 ; CHECK-32-LABEL: test1
10 ; CHECK-32-NEXT: movl %esp, %ebp
11 ; CHECK-32-NEXT: movl %ebp, %eax
14 ; CHECK-64-LABEL: test1
16 ; CHECK-64-NEXT: movq %rsp, %rbp
17 ; CHECK-64-NEXT: movq %rbp, %rax
20 %0 = tail call i8* @llvm.frameaddress(i32 0)
24 define i8* @test2() nounwind {
26 ; CHECK-32-LABEL: test2
28 ; CHECK-32-NEXT: movl %esp, %ebp
29 ; CHECK-32-NEXT: movl (%ebp), %eax
30 ; CHECK-32-NEXT: movl (%eax), %eax
33 ; CHECK-64-LABEL: test2
35 ; CHECK-64-NEXT: movq %rsp, %rbp
36 ; CHECK-64-NEXT: movq (%rbp), %rax
37 ; CHECK-64-NEXT: movq (%rax), %rax
40 %0 = tail call i8* @llvm.frameaddress(i32 2)
44 declare i8* @llvm.frameaddress(i32) nounwind readnone