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| author | Dan Gohman <gohman@apple.com> | 2010-02-25 06:57:05 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-02-25 06:57:05 +0000 |
| commit | 85669637139089eaed8def1583ac04266c9654e2 (patch) | |
| tree | 9179b71a2387b88fd18bfb147114734c0c7d0ccc /test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll | |
| parent | a5028a64634f995630e93390c5c23374a09a450f (diff) | |
Make LoopSimplify change conditional branches in loop exiting blocks
which branch on undef to branch on a boolean constant for the edge
exiting the loop. This helps ScalarEvolution compute trip counts for
loops.
Teach ScalarEvolution to recognize single-value PHIs, when safe, and
ForgetSymbolicName to forget such single-value PHI nodes as apprpriate
in ForgetSymbolicName.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97126 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll b/test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll index 30d9ea6fb3..ecd5086f73 100644 --- a/test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll +++ b/test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll @@ -7,7 +7,7 @@ define i32 @test() { LoopHead: ; preds = %LoopHead, %0, %0 %A = phi i32 [ 7, %0 ], [ 7, %0 ], [ %B, %LoopHead ] ; <i32> [#uses=1] %B = add i32 %A, 1 ; <i32> [#uses=2] - br i1 undef, label %LoopHead, label %Out + br i1 true, label %LoopHead, label %Out Out: ; preds = %LoopHead ret i32 %B |