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| author | Andrew Trick <atrick@apple.com> | 2012-06-15 20:07:26 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-06-15 20:07:26 +0000 |
| commit | aca8fb3c459d2b79798b5a68b170bc0cfc88bde7 (patch) | |
| tree | 6b4b3ee1869a8daa35114b0f7bb6cc3f63caf51d /llvm/lib/Transforms | |
| parent | 4fd966347ae3c2cd7976834308bdd5f98f54fe8b (diff) | |
| download | bcm5719-llvm-aca8fb3c459d2b79798b5a68b170bc0cfc88bde7.tar.gz bcm5719-llvm-aca8fb3c459d2b79798b5a68b170bc0cfc88bde7.zip | |
LSR fix: "Special" users are just like "Basic" users but allow -1 scale.
llvm-svn: 158536
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 94c229a8e24..963811ee279 100644 --- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -1308,8 +1308,8 @@ static bool isLegalUse(const TargetLowering::AddrMode &AM, return !AM.BaseGV && AM.Scale == 0 && AM.BaseOffs == 0; case LSRUse::Special: - // Only handle -1 scales, or no scale. - return AM.Scale == 0 || AM.Scale == -1; + // Special case Basic to handle -1 scales. + return !AM.BaseGV && (AM.Scale == 0 || AM.Scale == -1) && AM.BaseOffs == 0; } llvm_unreachable("Invalid LSRUse Kind!"); |
