[llvm-commits] CVS: llvm/test/Regression/Transforms/InstCombine/cast-and-cast.ll

[Reid Spencer]

Changes in directory llvm/test/Regression/Transforms/InstCombine:

cast-and-cast.ll added (r1.1)
---
Log message:

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


---
Diffs of the changes:  (+14 -0)

 cast-and-cast.ll |   14 ++++++++++++++
 1 files changed, 14 insertions(+)


Index: llvm/test/Regression/Transforms/InstCombine/cast-and-cast.ll
diff -c /dev/null llvm/test/Regression/Transforms/InstCombine/cast-and-cast.ll:1.1
*** /dev/null	Sun Nov 26 23:07:08 2006
--- llvm/test/Regression/Transforms/InstCombine/cast-and-cast.ll	Sun Nov 26 23:06:58 2006
***************
*** 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
+ }