From: Reid Spencer <rspencer@reidspencer.com>
Date: Mon, 27 Nov 2006 05:06:58 +0000 (+0000)
Subject: Add a test to ensure a bitcast/and/trunc combination eliminates the bitcast.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=df2a4ff7d4fa2be6c02bd5d3d388bcabe55f06e7;p=oota-llvm.git

Add a test to ensure a bitcast/and/trunc combination eliminates the bitcast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31934 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/InstCombine/cast-and-cast.ll b/test/Transforms/InstCombine/cast-and-cast.ll
new file mode 100644
index 00000000000..9610f0bea0a
--- /dev/null
+++ b/test/Transforms/InstCombine/cast-and-cast.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep bitcast
+bool %test1(uint %val) {
+  %t1 = bitcast uint %val to int 
+  %t2 = and int %t1, 1
+  %t3 = trunc int %t2 to bool
+  ret bool %t3
+}
+
+short %test1(uint %val) {
+  %t1 = bitcast uint %val to int 
+  %t2 = and int %t1, 1
+  %t3 = trunc int %t2 to short
+  ret short %t3
+}