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authorDale Johannesen <dalej@apple.com>2009-11-13 01:45:18 +0000
committerDale Johannesen <dalej@apple.com>2009-11-13 01:45:18 +0000
commit1e608819aa26c06b1552521469f2211339e3bfe0 (patch)
tree92aba7698ff88ea82a86c717808ad9f6f8904ca3 /test/CodeGen/PowerPC/vec_splat_constant.ll
parent0418c102dd324be5a7d6d3a8ad3c806c7ee74d21 (diff)
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Adjust isConstantSplat to allow for big-endian targets.
PPC is such a target; make it work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87060 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/vec_splat_constant.ll')
-rw-r--r--test/CodeGen/PowerPC/vec_splat_constant.ll24
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/vec_splat_constant.ll b/test/CodeGen/PowerPC/vec_splat_constant.ll
new file mode 100644
index 0000000000..b227794421
--- /dev/null
+++ b/test/CodeGen/PowerPC/vec_splat_constant.ll
@@ -0,0 +1,24 @@
+; RUN: llc < %s -march=ppc32 -mtriple=powerpc-apple-darwin -mcpu=g5 | FileCheck %s
+; Formerly incorrectly inserted vsldoi (endian confusion)
+
+@baz = common global <16 x i8> zeroinitializer ; <<16 x i8>*> [#uses=1]
+
+define void @foo(<16 x i8> %x) nounwind ssp {
+entry:
+; CHECK: _foo:
+; CHECK-NOT: vsldoi
+ %x_addr = alloca <16 x i8> ; <<16 x i8>*> [#uses=2]
+ %temp = alloca <16 x i8> ; <<16 x i8>*> [#uses=2]
+ %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
+ store <16 x i8> %x, <16 x i8>* %x_addr
+ store <16 x i8> <i8 0, i8 0, i8 0, i8 14, i8 0, i8 0, i8 0, i8 14, i8 0, i8 0, i8 0, i8 14, i8 0, i8 0, i8 0, i8 14>, <16 x i8>* %temp, align 16
+ %0 = load <16 x i8>* %x_addr, align 16 ; <<16 x i8>> [#uses=1]
+ %1 = load <16 x i8>* %temp, align 16 ; <<16 x i8>> [#uses=1]
+ %tmp = add <16 x i8> %0, %1 ; <<16 x i8>> [#uses=1]
+ store <16 x i8> %tmp, <16 x i8>* @baz, align 16
+ br label %return
+
+return: ; preds = %entry
+ ret void
+; CHECK: blr
+}