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reapply r101434

Browse Source 
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101465 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2010-04-16 15:33:14 +00:00
parent 52d55bd224
commit 4ec2258ffb
44 changed files with 579 additions and 588 deletions
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8
lib/Transforms/IPO/LowerSetJmp.cpp
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@@ -262,8 +262,8 @@ void LowerSetJmp::TransformLongJmpCall(CallInst* Inst)
// char*. It returns "void", so it doesn't need to replace any of
// Inst's uses and doesn't get a name.
CastInst* CI =
new BitCastInst(Inst->getOperand(1), SBPTy, "LJBuf", Inst);
Value *Args[] = { CI, Inst->getOperand(2) };
new BitCastInst(Inst->getOperand(0), SBPTy, "LJBuf", Inst);
Value *Args[] = { CI, Inst->getOperand(1) };
CallInst::Create(ThrowLongJmp, Args, Args + 2, "", Inst);
SwitchValuePair& SVP = SwitchValMap[Inst->getParent()->getParent()];
@@ -378,7 +378,7 @@ void LowerSetJmp::TransformSetJmpCall(CallInst* Inst)
const Type* SBPTy =
Type::getInt8PtrTy(Inst->getContext());
CastInst* BufPtr =
new BitCastInst(Inst->getOperand(1), SBPTy, "SBJmpBuf", Inst);
new BitCastInst(Inst->getOperand(0), SBPTy, "SBJmpBuf", Inst);
Value *Args[] = {
GetSetJmpMap(Func), BufPtr,
ConstantInt::get(Type::getInt32Ty(Inst->getContext()), SetJmpIDMap[Func]++)
@@ -473,7 +473,7 @@ void LowerSetJmp::visitCallInst(CallInst& CI)
// Construct the new "invoke" instruction.
TerminatorInst* Term = OldBB->getTerminator();
std::vector<Value*> Params(CI.op_begin() + 1, CI.op_end());
std::vector<Value*> Params(CI.op_begin(), CI.op_end() - 1);
InvokeInst* II =
InvokeInst::Create(CI.getCalledValue(), NewBB, PrelimBBMap[Func],
Params.begin(), Params.end(), CI.getName(), Term);