Testcase for PR913

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30404 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/2006-09-15-CastToBool.ll b/test/Transforms/InstCombine/2006-09-15-CastToBool.ll
new file mode 100644 (file)
index 0000000..e649b3e
--- /dev/null
+++ b/test/Transforms/InstCombine/2006-09-15-CastToBool.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep and
+; PR913
+
+int %test(int* %tmp1) {
+        %tmp = load int* %tmp1          ; <int> [#uses=1]
+        %tmp = cast int %tmp to uint            ; <uint> [#uses=1]
+        %tmp2 = shr uint %tmp, ubyte 5          ; <uint> [#uses=1]
+        %tmp2 = cast uint %tmp2 to int          ; <int> [#uses=1]
+        %tmp3 = and int %tmp2, 1                ; <int> [#uses=1]
+        %tmp3 = cast int %tmp3 to bool          ; <bool> [#uses=1]
+        %tmp34 = cast bool %tmp3 to int         ; <int> [#uses=1]
+        ret int %tmp34
+}
+