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authorStephen Hines <srhines@google.com>2015-04-01 18:49:24 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-04-01 18:49:26 +0000
commit3fa16bd6062e23bcdb82ed4dd965674792e6b761 (patch)
tree9348fc507292f7e8715d22d64ce5a32131b4f875 /test/CodeGen/X86/pshufb-mask-comments.ll
parentbeed47390a60f6f0c77532b3d3f76bb47ef49423 (diff)
parentebe69fe11e48d322045d5949c83283927a0d790b (diff)
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Merge "Update aosp/master LLVM for rebase to r230699."
Diffstat (limited to 'test/CodeGen/X86/pshufb-mask-comments.ll')
-rw-r--r--test/CodeGen/X86/pshufb-mask-comments.ll22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pshufb-mask-comments.ll b/test/CodeGen/X86/pshufb-mask-comments.ll
index 7fc9890..ca5a02c 100644
--- a/test/CodeGen/X86/pshufb-mask-comments.ll
+++ b/test/CodeGen/X86/pshufb-mask-comments.ll
@@ -27,4 +27,26 @@ define <16 x i8> @test3(<16 x i8> %V) {
ret <16 x i8> %1
}
+; Test that we won't crash when the constant was reused for another instruction.
+
+define <16 x i8> @test4(<2 x i64>* %V) {
+; CHECK-LABEL: test4
+; CHECK: pshufb {{.*}}
+ store <2 x i64> <i64 1084818905618843912, i64 506097522914230528>, <2 x i64>* %V, align 16
+ %1 = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> undef, <16 x i8> <i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7>)
+ ret <16 x i8> %1
+}
+
+define <16 x i8> @test5() {
+; CHECK-LABEL: test5
+; CHECK: pshufb {{.*}}
+ store <2 x i64> <i64 1, i64 0>, <2 x i64>* undef, align 16
+ %l = load <2 x i64>* undef, align 16
+ %shuffle = shufflevector <2 x i64> %l, <2 x i64> undef, <2 x i32> zeroinitializer
+ store <2 x i64> %shuffle, <2 x i64>* undef, align 16
+ %1 = load <16 x i8>* undef, align 16
+ %2 = call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> undef, <16 x i8> %1)
+ ret <16 x i8> %2
+}
+
declare <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8>, <16 x i8>) nounwind readnone