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| author | Dan Gohman <gohman@apple.com> | 2009-09-21 17:53:35 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-09-21 17:53:35 +0000 |
| commit | b350b3d81e6b7df211447f0bc54b4493af9aa444 (patch) | |
| tree | 9ea6c9fdf747c47bc1ea3cb3e4ded7a1f0351a13 /lib/Transforms | |
| parent | 012b360d60c62c975af276d9a04fcfd79cf3ac9c (diff) | |
| download | external_llvm-b350b3d81e6b7df211447f0bc54b4493af9aa444.zip external_llvm-b350b3d81e6b7df211447f0bc54b4493af9aa444.tar.gz external_llvm-b350b3d81e6b7df211447f0bc54b4493af9aa444.tar.bz2 | |
Remove the special-case for constants in PHI nodes; it's not really
helpful, and it didn't correctly handle the case of constants input
to PHIs for backedges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82462 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/CodeGenLICM.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/lib/Transforms/Scalar/CodeGenLICM.cpp b/lib/Transforms/Scalar/CodeGenLICM.cpp index ef9f81e..778f3d2 100644 --- a/lib/Transforms/Scalar/CodeGenLICM.cpp +++ b/lib/Transforms/Scalar/CodeGenLICM.cpp @@ -60,9 +60,6 @@ bool CodeGenLICM::runOnLoop(Loop *L, LPPassManager &) { for (BasicBlock::iterator BBI = BB->begin(), BBE = BB->end(); BBI != BBE; ++BBI) { Instruction *I = BBI; - // Don't bother hoisting constants out of loop-header phi nodes. - if (BB == L->getHeader() && isa<PHINode>(I)) - continue; // TODO: For now, skip all intrinsic instructions, because some of them // can require their operands to be constants, and we don't want to // break that. |