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| author | Daniel Dunbar <daniel@zuster.org> | 2009-08-08 17:43:09 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2009-08-08 17:43:09 +0000 |
| commit | 4ae20278018af959091a3dcd990dc2f78bf632d0 (patch) | |
| tree | 076150196f25bc2b89d6799338abf9b1112bf62a /lib/Transforms/Scalar/BasicBlockPlacement.cpp | |
| parent | d5b21c16ee6a7a9c435808537d138ac6111b6119 (diff) | |
| download | external_llvm-4ae20278018af959091a3dcd990dc2f78bf632d0.zip external_llvm-4ae20278018af959091a3dcd990dc2f78bf632d0.tar.gz external_llvm-4ae20278018af959091a3dcd990dc2f78bf632d0.tar.bz2 | |
More ProfileInfo improvements.
- Part of optimal static profiling patch sequence by Andreas Neustifter.
- Store edge, block, and function information separately for each functions
(instead of in one giant map).
- Return frequencies as double instead of int, and use a sentinel value for
missing information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78477 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/BasicBlockPlacement.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/BasicBlockPlacement.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/BasicBlockPlacement.cpp b/lib/Transforms/Scalar/BasicBlockPlacement.cpp index fb9b880..95fd67b 100644 --- a/lib/Transforms/Scalar/BasicBlockPlacement.cpp +++ b/lib/Transforms/Scalar/BasicBlockPlacement.cpp @@ -127,13 +127,13 @@ void BlockPlacement::PlaceBlocks(BasicBlock *BB) { /*empty*/; if (SI == E) return; // No more successors to place. - unsigned MaxExecutionCount = PI->getExecutionCount(*SI); + double MaxExecutionCount = PI->getExecutionCount(*SI); BasicBlock *MaxSuccessor = *SI; // Scan for more frequently executed successors for (; SI != E; ++SI) if (!PlacedBlocks.count(*SI)) { - unsigned Count = PI->getExecutionCount(*SI); + double Count = PI->getExecutionCount(*SI); if (Count > MaxExecutionCount || // Prefer to not disturb the code. (Count == MaxExecutionCount && *SI == &*InsertPos)) { |