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
5 ; RUN: llc < %s -mtriple=x86_64-gnux32 | FileCheck %s --check-prefix=CHECK-X32ABI
6 ; RUN: llc < %s -mtriple=x86_64-gnux32 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=CHECK-X32ABI
8 define i8* @test1() nounwind {
10 ; CHECK-32-LABEL: test1
12 ; CHECK-32-NEXT: movl %esp, %ebp
13 ; CHECK-32-NEXT: movl %ebp, %eax
16 ; CHECK-64-LABEL: test1
18 ; CHECK-64-NEXT: movq %rsp, %rbp
19 ; CHECK-64-NEXT: movq %rbp, %rax
22 ; CHECK-X32ABI-LABEL: test1
23 ; CHECK-X32ABI: pushq %rbp
24 ; CHECK-X32ABI-NEXT: movl %esp, %ebp
25 ; CHECK-X32ABI-NEXT: movl %ebp, %eax
26 ; CHECK-X32ABI-NEXT: popq %rbp
27 ; CHECK-X32ABI-NEXT: ret
28 %0 = tail call i8* @llvm.frameaddress(i32 0)
32 define i8* @test2() nounwind {
34 ; CHECK-32-LABEL: test2
36 ; CHECK-32-NEXT: movl %esp, %ebp
37 ; CHECK-32-NEXT: movl (%ebp), %eax
38 ; CHECK-32-NEXT: movl (%eax), %eax
41 ; CHECK-64-LABEL: test2
43 ; CHECK-64-NEXT: movq %rsp, %rbp
44 ; CHECK-64-NEXT: movq (%rbp), %rax
45 ; CHECK-64-NEXT: movq (%rax), %rax
48 ; CHECK-X32ABI-LABEL: test2
49 ; CHECK-X32ABI: pushq %rbp
50 ; CHECK-X32ABI-NEXT: movl %esp, %ebp
51 ; CHECK-X32ABI-NEXT: movl (%ebp), %eax
52 ; CHECK-X32ABI-NEXT: movl (%eax), %eax
53 ; CHECK-X32ABI-NEXT: popq %rbp
54 ; CHECK-X32ABI-NEXT: ret
55 %0 = tail call i8* @llvm.frameaddress(i32 2)
59 declare i8* @llvm.frameaddress(i32) nounwind readnone