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When optimizing with debug info, don't keep the 

stoppoint nodes around until Legalize; doing this
imposed an ordering on a sequence of loads that
came from different lines, interfering with scheduling.

llvm-svn: 67692
This commit is contained in:
Dale Johannesen 2009-03-25 17:36:08 +00:00
parent 4b6c049b3f
commit eb1646d28c
1 changed files with 5 additions and 4 deletions
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9
llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@ -3895,10 +3895,11 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
DbgStopPointInst &SPI = cast<DbgStopPointInst>(I);
if (DW && DW->ValidDebugInfo(SPI.getContext())) {
MachineFunction &MF = DAG.getMachineFunction();
DAG.setRoot(DAG.getDbgStopPoint(getRoot(),
SPI.getLine(),
SPI.getColumn(),
SPI.getContext()));
if (Fast)
DAG.setRoot(DAG.getDbgStopPoint(getRoot(),
SPI.getLine(),
SPI.getColumn(),
SPI.getContext()));
DICompileUnit CU(cast<GlobalVariable>(SPI.getContext()));
std::string Dir, FN;
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(Dir),