Changes in directory llvm/test/Regression/Transforms/PredicateSimplifier:
2006-10-22-IntOr.ll added (r1.1)
---
Log message:
Handle "if ((x|y) != 0)" for ints like we do for bools. Fixes missed
optimization opportunity pointed out by Chris Lattner.
---
Diffs of the changes: (+21 -0)
2006-10-22-IntOr.ll | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+)
Index: llvm/test/Regression/Transforms/PredicateSimplifier/2006-10-22-IntOr.ll
diff -c /dev/null
llvm/test/Regression/Transforms/PredicateSimplifier/2006-10-22-IntOr.ll:1.1
*** /dev/null Sun Oct 22 16:36:51 2006
--- llvm/test/Regression/Transforms/PredicateSimplifier/2006-10-22-IntOr.ll
Sun Oct 22 16:36:41 2006
***************
*** 0 ****
--- 1,21 ----
+ ; RUN: llvm-as < %s | opt -predsimplify -instcombine -simplifycfg | llvm-dis
| grep -v declare | not grep fail
+
+ int %f(int %x, int %y) {
+ entry:
+ %tmp2 = or int %x, %y ; <int> [#uses=1]
+ %tmp = setne int %tmp2, 0 ; <bool> [#uses=1]
+ br bool %tmp, label %cond_true, label %return
+
+ cond_true: ; preds = %entry
+ %tmp4 = seteq int %x, 0 ; <bool> [#uses=1]
+ br bool %tmp4, label %cond_true5, label %return
+
+ cond_true5: ; preds = %cond_true
+ %tmp6 = call int %fail( ) ; <int> [#uses=0]
+ ret int %tmp6
+
+ return: ; preds = %cond_next7
+ ret int 0
+ }
+
+ declare int %fail()
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