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| author | wolfbeast <mcwerewolf@gmail.com> | 2018-12-13 12:24:17 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@gmail.com> | 2018-12-13 12:24:17 +0100 |
| commit | 99b534f23d9db2a6ef6a030aeb95e297cb887dd8 (patch) | |
| tree | 9df18a5bd1c57a857bfba327b944847adae66407 /js | |
| parent | 195b9d8780a21f3347d8eba76c6c4d065c8fac3c (diff) | |
| download | UXP-99b534f23d9db2a6ef6a030aeb95e297cb887dd8.tar UXP-99b534f23d9db2a6ef6a030aeb95e297cb887dd8.tar.gz UXP-99b534f23d9db2a6ef6a030aeb95e297cb887dd8.tar.lz UXP-99b534f23d9db2a6ef6a030aeb95e297cb887dd8.tar.xz UXP-99b534f23d9db2a6ef6a030aeb95e297cb887dd8.zip | |
Restrict ExtractLinearSum to find non-wrapping results.
Diffstat (limited to 'js')
| -rw-r--r-- | js/src/jit/RangeAnalysis.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/js/src/jit/RangeAnalysis.cpp b/js/src/jit/RangeAnalysis.cpp index 95484c249..d64f9b8ca 100644 --- a/js/src/jit/RangeAnalysis.cpp +++ b/js/src/jit/RangeAnalysis.cpp @@ -2167,7 +2167,7 @@ RangeAnalysis::analyzeLoopPhi(MBasicBlock* header, LoopIterationBound* loopBound if (initial->block()->isMarked()) return; - SimpleLinearSum modified = ExtractLinearSum(phi->getLoopBackedgeOperand()); + SimpleLinearSum modified = ExtractLinearSum(phi->getLoopBackedgeOperand(), MathSpace::Infinite); if (modified.term != phi || modified.constant == 0) return; |