test vperm promotion
llvm-svn: 27454
diff --git a/llvm/test/Regression/CodeGen/PowerPC/vec_shuffle.ll b/llvm/test/Regression/CodeGen/PowerPC/vec_shuffle.ll
index a39fa90..50e89ef 100644
--- a/llvm/test/Regression/CodeGen/PowerPC/vec_shuffle.ll
+++ b/llvm/test/Regression/CodeGen/PowerPC/vec_shuffle.ll
@@ -1,4 +1,5 @@
; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vsldoi | wc -l | grep 2
+; RUN: llvm-as < %s | opt -instcombine | llc -march=ppc32 -mcpu=g5 | not grep vperm
void %VSLDOI_xy(<8 x short>* %A, <8 x short>* %B) {
entry:
@@ -84,3 +85,18 @@
store <8 x short> %tmp33, <8 x short>* %A
ret void
}
+
+void %VPERM_promote(<8 x short>* %A, <8 x short>* %B) {
+entry:
+ %tmp = load <8 x short>* %A ; <<8 x short>> [#uses=1]
+ %tmp = cast <8 x short> %tmp to <4 x int> ; <<4 x int>> [#uses=1]
+ %tmp2 = load <8 x short>* %B ; <<8 x short>> [#uses=1]
+ %tmp2 = cast <8 x short> %tmp2 to <4 x int> ; <<4 x int>> [#uses=1]
+ %tmp3 = call <4 x int> %llvm.ppc.altivec.vperm( <4 x int> %tmp, <4 x int> %tmp2, <16 x sbyte> < sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14 > ) ; <<4 x int>> [#uses=1]
+ %tmp3 = cast <4 x int> %tmp3 to <8 x short> ; <<8 x short>> [#uses=1]
+ store <8 x short> %tmp3, <8 x short>* %A
+ ret void
+}
+
+declare <4 x int> %llvm.ppc.altivec.vperm(<4 x int>, <4 x int>, <16 x sbyte>)
+