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-rw-r--r--test/Transforms/InstCombine/2005-06-16-SetCCOrSetCCMiscompile.ll14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2005-06-16-SetCCOrSetCCMiscompile.ll b/test/Transforms/InstCombine/2005-06-16-SetCCOrSetCCMiscompile.ll
new file mode 100644
index 000000000000..010087b4f472
--- /dev/null
+++ b/test/Transforms/InstCombine/2005-06-16-SetCCOrSetCCMiscompile.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
+; RUN: grep {ret i1 true}
+; PR586
+
+@g_07918478 = external global i32 ; <i32*> [#uses=1]
+
+define i1 @test() {
+ %tmp.0 = load i32* @g_07918478 ; <i32> [#uses=2]
+ %tmp.1 = icmp ne i32 %tmp.0, 0 ; <i1> [#uses=1]
+ %tmp.4 = icmp ult i32 %tmp.0, 4111 ; <i1> [#uses=1]
+ %bothcond = or i1 %tmp.1, %tmp.4 ; <i1> [#uses=1]
+ ret i1 %bothcond
+}
+