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Check for type legality before materializing integer constants in fast isel. With this change, 

all of MultiSource/Applications passes on Darwin/X86 under FastISel.

llvm-svn: 55982
This commit is contained in:
Owen Anderson 2008-09-09 06:32:02 +00:00
parent 7aedcf151c
commit 8529085f4f
1 changed files with 2 additions and 0 deletions
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2
llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
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@ -39,6 +39,8 @@ unsigned FastISel::getRegForValue(Value *V) {
MBB->getParent()->getConstantPool()); MBB->getParent()->getConstantPool());
// Don't cache constant materializations. To do so would require // Don't cache constant materializations. To do so would require
// tracking what uses they dominate. // tracking what uses they dominate.
if (!TLI.isTypeLegal(VT))
return false;
Reg = FastEmit_i(VT, VT, ISD::Constant, CI->getZExtValue()); Reg = FastEmit_i(VT, VT, ISD::Constant, CI->getZExtValue());
} else if (isa<GlobalValue>(V)) { } else if (isa<GlobalValue>(V)) {
return TargetMaterializeConstant(dyn_cast<Constant>(V), return TargetMaterializeConstant(dyn_cast<Constant>(V),