[llvm] r193626 - add test cases for frameaddr and returnaddr for aarch64

[mcrosier at codeaurora.org]

Nevermind.. :)

> Author: weimingz
> Date: Tue Oct 29 12:01:29 2013
> New Revision: 193626
>
> URL: http://llvm.org/viewvc/llvm-project?rev=193626&view=rev
> Log:
> add test cases for frameaddr and returnaddr for aarch64
>
> Added:
>     llvm/trunk/test/CodeGen/AArch64/frameaddr.ll
>     llvm/trunk/test/CodeGen/AArch64/returnaddr.ll
>
> Added: llvm/trunk/test/CodeGen/AArch64/frameaddr.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/frameaddr.ll?rev=193626&view=auto
> ==============================================================================
> --- llvm/trunk/test/CodeGen/AArch64/frameaddr.ll (added)
> +++ llvm/trunk/test/CodeGen/AArch64/frameaddr.ll Tue Oct 29 12:01:29 2013
> @@ -0,0 +1,20 @@
> +; RUN: llc < %s -mtriple=aarch64-none-linux-gnu  | FileCheck %s
> +
> +define i8* @t() nounwind {
> +entry:
> +; CHECK-LABEL: t:
> +; CHECK: mov x0, x29
> +	%0 = call i8* @llvm.frameaddress(i32 0)
> +        ret i8* %0
> +}
> +
> +define i8* @t2() nounwind {
> +entry:
> +; CHECK-LABEL: t2:
> +; CHECK: ldr x[[reg:[0-9]+]], [x29]
> +; CHECK: ldr x[[reg]], [x[[reg]]]
> +	%0 = call i8* @llvm.frameaddress(i32 2)
> +        ret i8* %0
> +}
> +
> +declare i8* @llvm.frameaddress(i32) nounwind readnone
>
> Added: llvm/trunk/test/CodeGen/AArch64/returnaddr.ll
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/returnaddr.ll?rev=193626&view=auto
> ==============================================================================
> --- llvm/trunk/test/CodeGen/AArch64/returnaddr.ll (added)
> +++ llvm/trunk/test/CodeGen/AArch64/returnaddr.ll Tue Oct 29 12:01:29 2013
> @@ -0,0 +1,21 @@
> +; RUN: llc < %s -mtriple=aarch64-none-linux-gnu  | FileCheck %s
> +
> +define i8* @rt0(i32 %x) nounwind readnone {
> +entry:
> +; CHECK-LABEL: rt0:
> +; CHECK: mov x0, x30
> +  %0 = tail call i8* @llvm.returnaddress(i32 0)
> +  ret i8* %0
> +}
> +
> +define i8* @rt2() nounwind readnone {
> +entry:
> +; CHECK-LABEL: rt2:
> +; CHECK: ldr x[[reg:[0-9]+]], [x29]
> +; CHECK: ldr x[[reg]], [x[[reg]]]
> +; CHECK: ldr x0, [x[[reg]], #8]
> +  %0 = tail call i8* @llvm.returnaddress(i32 2)
> +  ret i8* %0
> +}
> +
> +declare i8* @llvm.returnaddress(i32) nounwind readnone
>
>
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