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Add targets to skip running the GC passes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170836 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2012-12-21 02:57:04 +00:00
parent a16422f11b
commit ab37b2c4bb
2 changed files with 15 additions and 3 deletions
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5
include/llvm/CodeGen/Passes.h
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@ -241,6 +241,11 @@ protected:
return false;
}
/// addGCPasses - Add late codegen passes that analyze code for garbage
/// collection. This should return true if GC info should be printed after
/// these passes.
virtual bool addGCPasses();
/// Add standard basic block placement passes.
virtual void addBlockPlacement();

13
lib/CodeGen/Passes.cpp
View File

@ -513,9 +513,10 @@ void TargetPassConfig::addMachinePasses() {
}
// GC
addPass(&GCMachineCodeAnalysisID);
if (PrintGCInfo)
addPass(createGCInfoPrinter(dbgs()));
if (addGCPasses()) {
if (PrintGCInfo)
addPass(createGCInfoPrinter(dbgs()));
}
// Basic block placement.
if (getOptLevel() != CodeGenOpt::None)
@ -732,6 +733,12 @@ void TargetPassConfig::addMachineLateOptimization() {
printAndVerify("After copy propagation pass");
}
/// Add standard GC passes.
bool TargetPassConfig::addGCPasses() {
addPass(&GCMachineCodeAnalysisID);
return true;
}
/// Add standard basic block placement passes.
void TargetPassConfig::addBlockPlacement() {
AnalysisID PassID = 0;