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