new 'cast' miscompilation, reduced from perlbmk by Evan

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32079 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/ConstProp/2006-12-01-TruncBoolBug.ll b/test/Transforms/ConstProp/2006-12-01-TruncBoolBug.ll
new file mode 100644 (file)
index 0000000..c7b2c6f
--- /dev/null
+++ b/test/Transforms/ConstProp/2006-12-01-TruncBoolBug.ll
@@ -0,0 +1,5 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'ret bool false'
+bool %test() {
+  %X = trunc uint 320 to bool
+  ret bool %X
+}