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New EH representation for MSVC compatibility

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This introduces new instructions neccessary to implement MSVC-compatible
exception handling support.  Most of the middle-end and none of the
back-end haven't been audited or updated to take them into account.

Differential Revision: http://reviews.llvm.org/D11097

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243766 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer
2015-07-31 17:58:14 +00:00
parent aa50fa7c2f
commit 4a45f0871a
39 changed files with 2313 additions and 121 deletions
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24
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@@ -1158,6 +1158,30 @@ SDValue SelectionDAGBuilder::getValueImpl(const Value *V) {
llvm_unreachable("Can't get register for value!");
}
void SelectionDAGBuilder::visitCleanupRet(const CleanupReturnInst &I) {
report_fatal_error("visitCleanupRet not yet implemented!");
}
void SelectionDAGBuilder::visitCatchEndPad(const CatchEndPadInst &I) {
report_fatal_error("visitCatchEndPad not yet implemented!");
}
void SelectionDAGBuilder::visitCatchRet(const CatchReturnInst &I) {
report_fatal_error("visitCatchRet not yet implemented!");
}
void SelectionDAGBuilder::visitCatchPad(const CatchPadInst &I) {
report_fatal_error("visitCatchPad not yet implemented!");
}
void SelectionDAGBuilder::visitTerminatePad(const TerminatePadInst &TPI) {
report_fatal_error("visitTerminatePad not yet implemented!");
}
void SelectionDAGBuilder::visitCleanupPad(const CleanupPadInst &CPI) {
report_fatal_error("visitCleanupPad not yet implemented!");
}
void SelectionDAGBuilder::visitRet(const ReturnInst &I) {
const TargetLowering &TLI = DAG.getTargetLoweringInfo();
auto &DL = DAG.getDataLayout();

6
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
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@@ -735,6 +735,12 @@ private:
void visitSwitch(const SwitchInst &I);
void visitIndirectBr(const IndirectBrInst &I);
void visitUnreachable(const UnreachableInst &I);
void visitCleanupRet(const CleanupReturnInst &I);
void visitCatchEndPad(const CatchEndPadInst &I);
void visitCatchRet(const CatchReturnInst &I);
void visitCatchPad(const CatchPadInst &I);
void visitTerminatePad(const TerminatePadInst &TPI);
void visitCleanupPad(const CleanupPadInst &CPI);
uint32_t getEdgeWeight(const MachineBasicBlock *Src,
const MachineBasicBlock *Dst) const;

6
lib/CodeGen/TargetLoweringBase.cpp
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@@ -1571,6 +1571,12 @@ int TargetLoweringBase::InstructionOpcodeToISD(unsigned Opcode) const {
case Invoke: return 0;
case Resume: return 0;
case Unreachable: return 0;
case CleanupRet: return 0;
case CatchEndPad: return 0;
case CatchRet: return 0;
case CatchPad: return 0;
case TerminatePad: return 0;
case CleanupPad: return 0;
case Add: return ISD::ADD;
case FAdd: return ISD::FADD;
case Sub: return ISD::SUB;