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-rw-r--r--test/Transforms/ConstProp/nottest.ll19
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diff --git a/test/Transforms/ConstProp/nottest.ll b/test/Transforms/ConstProp/nottest.ll
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+; Ensure constant propogation of 'not' instructions is working correctly.
+
+; RUN: opt < %s -constprop -die -S | not grep xor
+
+define i32 @test1() {
+ %R = xor i32 4, -1 ; <i32> [#uses=1]
+ ret i32 %R
+}
+
+define i32 @test2() {
+ %R = xor i32 -23, -1 ; <i32> [#uses=1]
+ ret i32 %R
+}
+
+define i1 @test3() {
+ %R = xor i1 true, true ; <i1> [#uses=1]
+ ret i1 %R
+}
+