| Stephen Hines | c6a4f5e | 2014-07-21 00:45:20 -0700 | [diff] [blame] | 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 | |
| 6 | define i8* @test1() nounwind { |
| 7 | entry: |
| 8 | ; CHECK-32-LABEL: test1 |
| 9 | ; CHECK-32: push |
| 10 | ; CHECK-32-NEXT: movl %esp, %ebp |
| 11 | ; CHECK-32-NEXT: movl %ebp, %eax |
| 12 | ; CHECK-32-NEXT: pop |
| 13 | ; CHECK-32-NEXT: ret |
| 14 | ; CHECK-64-LABEL: test1 |
| 15 | ; CHECK-64: push |
| 16 | ; CHECK-64-NEXT: movq %rsp, %rbp |
| 17 | ; CHECK-64-NEXT: movq %rbp, %rax |
| 18 | ; CHECK-64-NEXT: pop |
| 19 | ; CHECK-64-NEXT: ret |
| 20 | %0 = tail call i8* @llvm.frameaddress(i32 0) |
| 21 | ret i8* %0 |
| 22 | } |
| 23 | |
| 24 | define i8* @test2() nounwind { |
| 25 | entry: |
| 26 | ; CHECK-32-LABEL: test2 |
| 27 | ; CHECK-32: push |
| 28 | ; CHECK-32-NEXT: movl %esp, %ebp |
| 29 | ; CHECK-32-NEXT: movl (%ebp), %eax |
| 30 | ; CHECK-32-NEXT: movl (%eax), %eax |
| 31 | ; CHECK-32-NEXT: pop |
| 32 | ; CHECK-32-NEXT: ret |
| 33 | ; CHECK-64-LABEL: test2 |
| 34 | ; CHECK-64: push |
| 35 | ; CHECK-64-NEXT: movq %rsp, %rbp |
| 36 | ; CHECK-64-NEXT: movq (%rbp), %rax |
| 37 | ; CHECK-64-NEXT: movq (%rax), %rax |
| 38 | ; CHECK-64-NEXT: pop |
| 39 | ; CHECK-64-NEXT: ret |
| 40 | %0 = tail call i8* @llvm.frameaddress(i32 2) |
| 41 | ret i8* %0 |
| 42 | } |
| 43 | |
| 44 | declare i8* @llvm.frameaddress(i32) nounwind readnone |