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-rw-r--r--test/Transforms/InstCombine/sext-2.ll14
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diff --git a/test/Transforms/InstCombine/sext-2.ll b/test/Transforms/InstCombine/sext-2.ll
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+; Checks to see that instcombine can handle a sign extension of i1
+
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+define void @test(<2 x i16> %srcA, <2 x i16> %srcB, <2 x i16>* %dst) nounwind {
+entry:
+; CHECK-NOT: tmask
+; CHECK: ret
+ %cmp = icmp eq <2 x i16> %srcB, %srcA;
+ %sext = sext <2 x i1> %cmp to <2 x i16>;
+ %tmask = ashr <2 x i16> %sext, <i16 15, i16 15> ;
+ store <2 x i16> %tmask, <2 x i16>* %dst;
+ ret void
+}