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| author | Chris Lattner <sabre@nondot.org> | 2003-04-28 01:25:38 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-04-28 01:25:38 +0000 |
| commit | fcd1fe4f12a619c1b7b4c5ee9e2842b8b927223a (patch) | |
| tree | d5950c1c80051364e00d215b11bfb04e1e5750d6 /llvm/lib/Transforms | |
| parent | 9810b9485058b21e06783a7f4c11063074ee5662 (diff) | |
| download | bcm5719-llvm-fcd1fe4f12a619c1b7b4c5ee9e2842b8b927223a.tar.gz bcm5719-llvm-fcd1fe4f12a619c1b7b4c5ee9e2842b8b927223a.zip | |
Create constant expression casts instead of constant instructions if possible
llvm-svn: 5968
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/LevelRaise.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/LevelRaise.cpp b/llvm/lib/Transforms/LevelRaise.cpp index 50ed60c9037..2e9d8c2f8c8 100644 --- a/llvm/lib/Transforms/LevelRaise.cpp +++ b/llvm/lib/Transforms/LevelRaise.cpp @@ -504,8 +504,18 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) { PointerType *NewPFunTy = PointerType::get(NewFT); // Create a new cast, inserting it right before the function call... - CastInst *NewCast = new CastInst(CI->getCalledValue(), NewPFunTy, - CI->getCalledValue()->getName()+"_c",CI); + Value *NewCast; + Constant *ConstantCallSrc = 0; + if (Constant *CS = dyn_cast<Constant>(CI->getCalledValue())) + ConstantCallSrc = CS; + else if (GlobalValue *GV = dyn_cast<GlobalValue>(CI->getCalledValue())) + ConstantCallSrc = ConstantPointerRef::get(GV); + + if (ConstantCallSrc) + NewCast = ConstantExpr::getCast(ConstantCallSrc, NewPFunTy); + else + NewCast = new CastInst(CI->getCalledValue(), NewPFunTy, + CI->getCalledValue()->getName()+"_c",CI); // Create a new call instruction... CallInst *NewCall = new CallInst(NewCast, |
