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Remove FreeInst.

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Remove LowerAllocations pass.
Update some more passes to treate free calls just like they were treating FreeInst.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85176 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez
2009-10-26 23:43:48 +00:00
parent dda9583e51
commit 046e78ce55
40 changed files with 131 additions and 401 deletions
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20
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
View File

@@ -5486,26 +5486,6 @@ void SelectionDAGLowering::visitInlineAsm(CallSite CS) {
DAG.setRoot(Chain);
}
void SelectionDAGLowering::visitFree(FreeInst &I) {
TargetLowering::ArgListTy Args;
TargetLowering::ArgListEntry Entry;
Entry.Node = getValue(I.getOperand(0));
Entry.Ty = TLI.getTargetData()->getIntPtrType(*DAG.getContext());
Args.push_back(Entry);
EVT IntPtr = TLI.getPointerTy();
bool isTailCall = PerformTailCallOpt &&
isInTailCallPosition(&I, Attribute::None, TLI);
std::pair<SDValue,SDValue> Result =
TLI.LowerCallTo(getRoot(), Type::getVoidTy(*DAG.getContext()),
false, false, false, false,
0, CallingConv::C, isTailCall,
/*isReturnValueUsed=*/true,
DAG.getExternalSymbol("free", IntPtr), Args, DAG,
getCurDebugLoc());
if (Result.second.getNode())
DAG.setRoot(Result.second);
}
void SelectionDAGLowering::visitVAStart(CallInst &I) {
DAG.setRoot(DAG.getNode(ISD::VASTART, getCurDebugLoc(),
MVT::Other, getRoot(),

2
lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
View File

@@ -44,7 +44,6 @@ class FPExtInst;
class FPToSIInst;
class FPToUIInst;
class FPTruncInst;
class FreeInst;
class Function;
class GetElementPtrInst;
class GCFunctionInfo;
@@ -528,7 +527,6 @@ private:
void visitGetElementPtr(User &I);
void visitSelect(User &I);
void visitFree(FreeInst &I);
void visitAlloca(AllocaInst &I);
void visitLoad(LoadInst &I);
void visitStore(StoreInst &I);