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Do not generate special entries in the dwarf eh

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table for nounwind calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48373 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2008-03-14 21:36:24 +00:00
parent 9453295a29
commit 23a1d0c161
1 changed files with 2 additions and 6 deletions
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8
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -3134,11 +3134,7 @@ void SelectionDAGLowering::LowerCallTo(CallSite CS, SDOperand Callee,
Args.push_back(Entry); Args.push_back(Entry);
} }
bool MarkTryRange = LandingPad || if (LandingPad && ExceptionHandling && MMI) {
// C++ requires special handling of 'nounwind' calls.
(CS.doesNotThrow());
if (MarkTryRange && ExceptionHandling && MMI) {
// Insert a label before the invoke call to mark the try range. This can be // Insert a label before the invoke call to mark the try range. This can be
// used to detect deletion of the invoke via the MachineModuleInfo. // used to detect deletion of the invoke via the MachineModuleInfo.
BeginLabel = MMI->NextLabelID(); BeginLabel = MMI->NextLabelID();
@ -3157,7 +3153,7 @@ void SelectionDAGLowering::LowerCallTo(CallSite CS, SDOperand Callee,
setValue(CS.getInstruction(), Result.first); setValue(CS.getInstruction(), Result.first);
DAG.setRoot(Result.second); DAG.setRoot(Result.second);
if (MarkTryRange && ExceptionHandling && MMI) { if (LandingPad && ExceptionHandling && MMI) {
// Insert a label at the end of the invoke call to mark the try range. This // Insert a label at the end of the invoke call to mark the try range. This
// can be used to detect deletion of the invoke via the MachineModuleInfo. // can be used to detect deletion of the invoke via the MachineModuleInfo.
EndLabel = MMI->NextLabelID(); EndLabel = MMI->NextLabelID();