[llvm-commits] CVS: llvm/test/Regression/Transforms/InstCombine/cast-cast-to-and.ll zeroext-and-reduce.ll
Chris Lattner
lattner at cs.uiuc.edu
Sat Jan 1 08:14:58 PST 2005
Changes in directory llvm/test/Regression/Transforms/InstCombine:
cast-cast-to-and.ll added (r1.1)
zeroext-and-reduce.ll added (r1.1)
---
Log message:
New testcases that we should combine.
---
Diffs of the changes: (+16 -0)
Index: llvm/test/Regression/Transforms/InstCombine/cast-cast-to-and.ll
diff -c /dev/null llvm/test/Regression/Transforms/InstCombine/cast-cast-to-and.ll:1.1
*** /dev/null Sat Jan 1 10:14:56 2005
--- llvm/test/Regression/Transforms/InstCombine/cast-cast-to-and.ll Sat Jan 1 10:14:46 2005
***************
*** 0 ****
--- 1,8 ----
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep ubyte
+
+ int %test1(uint %X) {
+ %Y = cast uint %X to ubyte ;; Turn into an AND
+ %Z = cast ubyte %Y to int
+ ret int %Z
+ }
+
Index: llvm/test/Regression/Transforms/InstCombine/zeroext-and-reduce.ll
diff -c /dev/null llvm/test/Regression/Transforms/InstCombine/zeroext-and-reduce.ll:1.1
*** /dev/null Sat Jan 1 10:14:58 2005
--- llvm/test/Regression/Transforms/InstCombine/zeroext-and-reduce.ll Sat Jan 1 10:14:46 2005
***************
*** 0 ****
--- 1,8 ----
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'and int %Y, 8'
+
+ int %test1(ubyte %X) {
+ %Y = cast ubyte %X to int
+ %Z = and int %Y, 65544 ;; Prune this to and Y, 8
+ ret int %Z
+ }
+
More information about the llvm-commits
mailing list