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author | Andrew Trick <atrick@apple.com> | 2011-07-23 00:29:16 +0000 |
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committer | Andrew Trick <atrick@apple.com> | 2011-07-23 00:29:16 +0000 |
commit | ba03377fa171d2340bfff2ec817e62ec09eab992 (patch) | |
tree | aafcd0863e4569e783fa3d7a572b1c17455b2f81 /lib/Transforms/Scalar | |
parent | 7f8dff65717b1e4090ba4a648f9ec4f037a66c1e (diff) | |
download | external_llvm-ba03377fa171d2340bfff2ec817e62ec09eab992.zip external_llvm-ba03377fa171d2340bfff2ec817e62ec09eab992.tar.gz external_llvm-ba03377fa171d2340bfff2ec817e62ec09eab992.tar.bz2 |
whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135828 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar')
-rw-r--r-- | lib/Transforms/Scalar/LoopUnrollPass.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/Transforms/Scalar/LoopUnrollPass.cpp b/lib/Transforms/Scalar/LoopUnrollPass.cpp index fef6bc3..38259f0 100644 --- a/lib/Transforms/Scalar/LoopUnrollPass.cpp +++ b/lib/Transforms/Scalar/LoopUnrollPass.cpp @@ -49,7 +49,7 @@ namespace { CurrentAllowPartial = (P == -1) ? UnrollAllowPartial : (bool)P; UserThreshold = (T != -1) || (UnrollThreshold.getNumOccurrences() > 0); - + initializeLoopUnrollPass(*PassRegistry::getPassRegistry()); } @@ -57,11 +57,11 @@ namespace { /// that the loop unroll should be performed regardless of how much /// code expansion would result. static const unsigned NoThreshold = UINT_MAX; - + // Threshold to use when optsize is specified (and there is no // explicit -unroll-threshold). static const unsigned OptSizeUnrollThreshold = 50; - + unsigned CurrentCount; unsigned CurrentThreshold; bool CurrentAllowPartial; @@ -107,14 +107,14 @@ static unsigned ApproximateLoopSize(const Loop *L, unsigned &NumCalls) { I != E; ++I) Metrics.analyzeBasicBlock(*I); NumCalls = Metrics.NumInlineCandidates; - + unsigned LoopSize = Metrics.NumInsts; - + // Don't allow an estimate of size zero. This would allows unrolling of loops // with huge iteration counts, which is a compile time problem even if it's // not a problem for code quality. if (LoopSize == 0) LoopSize = 1; - + return LoopSize; } @@ -125,13 +125,13 @@ bool LoopUnroll::runOnLoop(Loop *L, LPPassManager &LPM) { DEBUG(dbgs() << "Loop Unroll: F[" << Header->getParent()->getName() << "] Loop %" << Header->getName() << "\n"); (void)Header; - + // Determine the current unrolling threshold. While this is normally set // from UnrollThreshold, it is overridden to a smaller value if the current // function is marked as optimize-for-size, and the unroll threshold was // not user specified. unsigned Threshold = CurrentThreshold; - if (!UserThreshold && + if (!UserThreshold && Header->getParent()->hasFnAttr(Attribute::OptimizeForSize)) Threshold = OptSizeUnrollThreshold; |