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-rw-r--r--test/Transforms/InstCombine/sext.ll9
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/sext.ll b/test/Transforms/InstCombine/sext.ll
index f198797..968f37c 100644
--- a/test/Transforms/InstCombine/sext.ll
+++ b/test/Transforms/InstCombine/sext.ll
@@ -184,3 +184,12 @@ define i32 @test16(i16 %x) nounwind {
; CHECK-NEXT: %ext = sext i16 %sext to i32
; CHECK-NEXT: ret i32 %ext
}
+
+define i32 @test17(i1 %x) nounwind {
+ %c1 = sext i1 %x to i32
+ %c2 = sub i32 0, %c1
+ ret i32 %c2
+; CHECK: @test17
+; CHECK-NEXT: [[TEST17:%.*]] = zext i1 %x to i32
+; CHECK-NEXT: ret i32 [[TEST17]]
+}
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