Changes in directory llvm/test/Transforms/InstCombine:
and-xor-merge.ll added (r1.1)
---
Log message:
new testcase
---
Diffs of the changes: (+19 -0)
and-xor-merge.ll | 19 +++++++++++++++++++
1 files changed, 19 insertions(+)
Index: llvm/test/Transforms/InstCombine/and-xor-merge.ll
diff -c /dev/null llvm/test/Transforms/InstCombine/and-xor-merge.ll:1.1
*** /dev/null Sun Mar 18 17:51:07 2007
--- llvm/test/Transforms/InstCombine/and-xor-merge.ll Sun Mar 18 17:50:57 2007
***************
*** 0 ****
--- 1,19 ----
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep and | wc -l | grep 1
&&
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep xor | wc -l | grep 2
+
+ ; (x&z) ^ (y&z) -> (x^y)&z
+ define i32 @test1(i32 %x, i32 %y, i32 %z) {
+ %tmp3 = and i32 %z, %x
+ %tmp6 = and i32 %z, %y
+ %tmp7 = xor i32 %tmp3, %tmp6
+ ret i32 %tmp7
+ }
+
+ ; (x & y) ^ (x|y) -> x^y
+ define i32 @test2(i32 %x, i32 %y, i32 %z) {
+ %tmp3 = and i32 %y, %x
+ %tmp6 = or i32 %y, %x
+ %tmp7 = xor i32 %tmp3, %tmp6
+ ret i32 %tmp7
+ }
+
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