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Rather than having llvm-gcc changing the meaning of OptimizeSize, just make sure loop unswitch is conservative when optimization level is < 3. 

llvm-svn: 85581
This commit is contained in:
Evan Cheng 2009-10-30 07:23:49 +00:00
parent b9eda67380
commit 484dba893c
1 changed files with 1 additions and 1 deletions
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2
llvm/include/llvm/Support/StandardPasses.h
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@ -128,7 +128,7 @@ namespace llvm {
PM->add(createReassociatePass()); // Reassociate expressions
PM->add(createLoopRotatePass()); // Rotate Loop
PM->add(createLICMPass()); // Hoist loop invariants
PM->add(createLoopUnswitchPass(OptimizeSize));
PM->add(createLoopUnswitchPass(OptimizeSize || OptimizationLevel < 3));
PM->add(createInstructionCombiningPass());
PM->add(createIndVarSimplifyPass()); // Canonicalize indvars
PM->add(createLoopDeletionPass()); // Delete dead loops