Revert "Temporarily Revert "Add basic loop fusion pass.""

The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552

1 files changed, 15 insertions, 0 deletions

diff --git a/llvm/test/Transforms/InstCombine/2009-07-02-MaskedIntVector.ll b/llvm/test/Transforms/InstCombine/2009-07-02-MaskedIntVector.ll
new file mode 100644
index 00000000000..41940fe885e
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/2009-07-02-MaskedIntVector.ll
@@ -0,0 +1,15 @@
+; RUN: opt < %s -instcombine | llvm-dis
+; PR4495
+
+define i32 @test(i64 %test) {
+entry:
+	%0 = bitcast <4 x i32> undef to <16 x i8>		; <<16 x i8>> [#uses=1]
+	%t12 = shufflevector <16 x i8> %0, <16 x i8> zeroinitializer, <16 x i32> <i32 0, i32 16, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>		; <<16 x i8>> [#uses=1]
+	%t11 = bitcast <16 x i8> %t12 to <2 x i64>		; <<2 x i64>> [#uses=1]
+	%t9 = extractelement <2 x i64> %t11, i32 0		; <i64> [#uses=1]
+	%t10 = bitcast i64 %t9 to <2 x i32>		; <<2 x i32>> [#uses=1]
+	%t7 = bitcast i64 %test to <2 x i32>		; <<2 x i32>> [#uses=1]
+	%t6 = xor <2 x i32> %t10, %t7		; <<2 x i32>> [#uses=1]
+	%t1 = extractelement <2 x i32> %t6, i32 0		; <i32> [#uses=1]
+	ret i32 %t1
+}