diff options
Diffstat (limited to 'test/CodeGen/X86/frameaddr.ll')
-rw-r--r-- | test/CodeGen/X86/frameaddr.ll | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/X86/frameaddr.ll b/test/CodeGen/X86/frameaddr.ll new file mode 100644 index 0000000..6c1ca25 --- /dev/null +++ b/test/CodeGen/X86/frameaddr.ll @@ -0,0 +1,44 @@ +; RUN: llc < %s -march=x86 | FileCheck %s --check-prefix=CHECK-32 +; RUN: llc < %s -march=x86 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=CHECK-32 +; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=CHECK-64 +; RUN: llc < %s -march=x86-64 -fast-isel -fast-isel-abort | FileCheck %s --check-prefix=CHECK-64 + +define i8* @test1() nounwind { +entry: +; CHECK-32-LABEL: test1 +; CHECK-32: push +; CHECK-32-NEXT: movl %esp, %ebp +; CHECK-32-NEXT: movl %ebp, %eax +; CHECK-32-NEXT: pop +; CHECK-32-NEXT: ret +; CHECK-64-LABEL: test1 +; CHECK-64: push +; CHECK-64-NEXT: movq %rsp, %rbp +; CHECK-64-NEXT: movq %rbp, %rax +; CHECK-64-NEXT: pop +; CHECK-64-NEXT: ret + %0 = tail call i8* @llvm.frameaddress(i32 0) + ret i8* %0 +} + +define i8* @test2() nounwind { +entry: +; CHECK-32-LABEL: test2 +; CHECK-32: push +; CHECK-32-NEXT: movl %esp, %ebp +; CHECK-32-NEXT: movl (%ebp), %eax +; CHECK-32-NEXT: movl (%eax), %eax +; CHECK-32-NEXT: pop +; CHECK-32-NEXT: ret +; CHECK-64-LABEL: test2 +; CHECK-64: push +; CHECK-64-NEXT: movq %rsp, %rbp +; CHECK-64-NEXT: movq (%rbp), %rax +; CHECK-64-NEXT: movq (%rax), %rax +; CHECK-64-NEXT: pop +; CHECK-64-NEXT: ret + %0 = tail call i8* @llvm.frameaddress(i32 2) + ret i8* %0 +} + +declare i8* @llvm.frameaddress(i32) nounwind readnone |