From 12ad7cd730cb0575a6d03cccd6073af8e9486f3f Mon Sep 17 00:00:00 2001
From: Robert Lytton <robert@xmos.com>
Date: Mon, 6 Jan 2014 14:20:53 +0000
Subject: XCore target: Lower RETURNADDR

Only handles a depth of zero (the same as FRAMEADDR)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198613 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/XCore/llvm-intrinsics.ll | 46 +++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 test/CodeGen/XCore/llvm-intrinsics.ll

(limited to 'test/CodeGen')

diff --git a/test/CodeGen/XCore/llvm-intrinsics.ll b/test/CodeGen/XCore/llvm-intrinsics.ll
new file mode 100644
index 0000000000..14b299d46e
--- /dev/null
+++ b/test/CodeGen/XCore/llvm-intrinsics.ll
@@ -0,0 +1,46 @@
+; RUN: llc < %s -march=xcore | FileCheck %s
+
+declare i8* @llvm.frameaddress(i32) nounwind readnone
+define i8* @FA0() nounwind {
+entry:
+; CHECK-LABEL: FA0
+; CHECK: ldaw r0, sp[0]
+; CHECK-NEXT: retsp 0
+  %0 = call i8* @llvm.frameaddress(i32 0)
+  ret i8* %0
+}
+
+define i8* @FA1() nounwind {
+entry:
+; CHECK-LABEL: FA1
+; CHECK: entsp 100
+; CHECK-NEXT: ldaw r0, sp[0]
+; CHECK-NEXT: retsp 100
+  %0 = alloca [100 x i32]
+  %1 = call i8* @llvm.frameaddress(i32 0)
+  ret i8* %1
+}
+
+
+declare i8* @llvm.returnaddress(i32) nounwind readnone
+define i8* @RA0() nounwind {
+entry:
+; CHECK-LABEL: RA0
+; CHECK: stw lr, sp[0]
+; CHECK-NEXT: ldw r0, sp[0]
+; CHECK-NEXT: ldw lr, sp[0]
+; CHECK-NEXT: retsp 0
+  %0 = call i8* @llvm.returnaddress(i32 0)
+  ret i8* %0
+}
+
+define i8* @RA1() nounwind {
+entry:
+; CHECK-LABEL: RA1
+; CHECK: entsp 100
+; CHECK-NEXT: ldw r0, sp[100]
+; CHECK-NEXT: retsp 100
+  %0 = alloca [100 x i32]
+  %1 = call i8* @llvm.returnaddress(i32 0)
+  ret i8* %1
+}
-- 
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