diff options
| author | Chris Lattner <sabre@nondot.org> | 2009-10-05 05:54:46 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-10-05 05:54:46 +0000 |
| commit | fdd87907185162d3ffec237c426530d63c23bcca (patch) | |
| tree | 764fe48a8294ae462f454fb0fd7f82e4f03bacca /llvm/lib/CodeGen/ELFWriter.cpp | |
| parent | 3a2e503e33efdbf723f95fc592fe62335248b078 (diff) | |
| download | bcm5719-llvm-fdd87907185162d3ffec237c426530d63c23bcca.tar.gz bcm5719-llvm-fdd87907185162d3ffec237c426530d63c23bcca.zip | |
strength reduce a ton of type equality tests to check the typeid (Through
the new predicates I added) instead of going through a context and doing a
pointer comparison. Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.
llvm-svn: 83297
Diffstat (limited to 'llvm/lib/CodeGen/ELFWriter.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/ELFWriter.cpp | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/llvm/lib/CodeGen/ELFWriter.cpp b/llvm/lib/CodeGen/ELFWriter.cpp index 55a2f700643..3e1ee11b216 100644 --- a/llvm/lib/CodeGen/ELFWriter.cpp +++ b/llvm/lib/CodeGen/ELFWriter.cpp @@ -457,16 +457,15 @@ void ELFWriter::EmitGlobalConstant(const Constant *CV, ELFSection &GblS) { return; } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) { APInt Val = CFP->getValueAPF().bitcastToAPInt(); - if (CFP->getType() == Type::getDoubleTy(CV->getContext())) + if (CFP->getType()->isDoubleTy()) GblS.emitWord64(Val.getZExtValue()); - else if (CFP->getType() == Type::getFloatTy(CV->getContext())) + else if (CFP->getType()->isFloatTy()) GblS.emitWord32(Val.getZExtValue()); - else if (CFP->getType() == Type::getX86_FP80Ty(CV->getContext())) { - unsigned PadSize = - TD->getTypeAllocSize(Type::getX86_FP80Ty(CV->getContext()))- - TD->getTypeStoreSize(Type::getX86_FP80Ty(CV->getContext())); + else if (CFP->getType()->isX86_FP80Ty()) { + unsigned PadSize = TD->getTypeAllocSize(CFP->getType())- + TD->getTypeStoreSize(CFP->getType()); GblS.emitWordFP80(Val.getRawData(), PadSize); - } else if (CFP->getType() == Type::getPPC_FP128Ty(CV->getContext())) + } else if (CFP->getType()->isPPC_FP128Ty()) llvm_unreachable("PPC_FP128Ty global emission not implemented"); return; } else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { |
