new testcase

llvm-svn: 27289

1 files changed, 21 insertions, 0 deletions

diff --git a/llvm/test/Regression/CodeGen/PowerPC/vcmp-fold.ll b/llvm/test/Regression/CodeGen/PowerPC/vcmp-fold.ll
new file mode 100644
index 00000000000..04698d7d20b
--- /dev/null
+++ b/llvm/test/Regression/CodeGen/PowerPC/vcmp-fold.ll
@@ -0,0 +1,21 @@
+; This should fold the "vcmpbfp." and "vcmpbfp" instructions into a single 
+; "vcmpbfp.".
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vcmpbfp | wc -l | grep 1
+
+void %test(<4 x float>* %x, <4 x float>* %y, int* %P) {
+entry:
+	%tmp = load <4 x float>* %x		; <<4 x float>> [#uses=1]
+	%tmp2 = load <4 x float>* %y		; <<4 x float>> [#uses=1]
+	%tmp = call int %llvm.ppc.altivec.vcmpbfp.p( int 1, <4 x float> %tmp, <4 x float> %tmp2 )		; <int> [#uses=1]
+	%tmp4 = load <4 x float>* %x		; <<4 x float>> [#uses=1]
+	%tmp6 = load <4 x float>* %y		; <<4 x float>> [#uses=1]
+	%tmp = call <4 x int> %llvm.ppc.altivec.vcmpbfp( <4 x float> %tmp4, <4 x float> %tmp6 )		; <<4 x int>> [#uses=1]
+	%tmp7 = cast <4 x int> %tmp to <4 x float>		; <<4 x float>> [#uses=1]
+	store <4 x float> %tmp7, <4 x float>* %x
+	store int %tmp, int* %P
+	ret void
+}
+
+declare int %llvm.ppc.altivec.vcmpbfp.p(int, <4 x float>, <4 x float>)
+
+declare <4 x int> %llvm.ppc.altivec.vcmpbfp(<4 x float>, <4 x float>)