aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/PowerPC
diff options
context:
space:
mode:
authorHal Finkel <hfinkel@anl.gov>2013-03-19 08:09:38 +0000
committerHal Finkel <hfinkel@anl.gov>2013-03-19 08:09:38 +0000
commit54e57f8cb79bdc23ed8289cf2a558fa7c9602972 (patch)
treedf7ed3c8fb6d2fd5d6e7bf7f7340a16e5b7dad22 /test/CodeGen/PowerPC
parentd37c8568e68d0ea3492503cd192783900e2d922a (diff)
downloadexternal_llvm-54e57f8cb79bdc23ed8289cf2a558fa7c9602972.zip
external_llvm-54e57f8cb79bdc23ed8289cf2a558fa7c9602972.tar.gz
external_llvm-54e57f8cb79bdc23ed8289cf2a558fa7c9602972.tar.bz2
Don't reserve R31 on PPC64 unless the frame pointer is needed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177379 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC')
-rw-r--r--test/CodeGen/PowerPC/r31.ll15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/r31.ll b/test/CodeGen/PowerPC/r31.ll
new file mode 100644
index 0000000..7ce12f6
--- /dev/null
+++ b/test/CodeGen/PowerPC/r31.ll
@@ -0,0 +1,15 @@
+; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=g4 | FileCheck %s
+target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128-n32"
+
+define i64 @foo(i64 %a) nounwind {
+entry:
+ call void asm sideeffect "", "~{r0},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r14},~{r15},~{r16},~{r17},~{r18},~{r19},~{r20},~{r21},~{r22},~{r23},~{r24},~{r25},~{r26},~{r27},~{r28},~{r29},~{r30}"() nounwind
+ br label %return
+
+; CHECK: @foo
+; CHECK: mr 31, 3
+
+return: ; preds = %entry
+ ret i64 %a
+}
+