Change the PassManager from a reference to a pointer.
The TargetPassManager's default constructor wants to initialize the PassManager
to 'null'. But it's illegal to bind a null reference to a null l-value. Make the
ivar a pointer instead.
PR12468
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155902 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp
index 13d1bbc..490547b 100644
--- a/lib/CodeGen/Passes.cpp
+++ b/lib/CodeGen/Passes.cpp
@@ -207,7 +207,7 @@
// Out of line constructor provides default values for pass options and
// registers all common codegen passes.
TargetPassConfig::TargetPassConfig(TargetMachine *tm, PassManagerBase &pm)
- : ImmutablePass(ID), TM(tm), PM(pm), Impl(0), Initialized(false),
+ : ImmutablePass(ID), TM(tm), PM(&pm), Impl(0), Initialized(false),
DisableVerify(false),
EnableTailMerge(true) {
@@ -234,7 +234,7 @@
}
TargetPassConfig::TargetPassConfig()
- : ImmutablePass(ID), PM(*(PassManagerBase*)0) {
+ : ImmutablePass(ID), PM(0) {
llvm_unreachable("TargetPassConfig should not be constructed on-the-fly");
}
@@ -269,16 +269,16 @@
Pass *P = Pass::createPass(FinalID);
if (!P)
llvm_unreachable("Pass ID not registered");
- PM.add(P);
+ PM->add(P);
return FinalID;
}
void TargetPassConfig::printAndVerify(const char *Banner) const {
if (TM->shouldPrintMachineCode())
- PM.add(createMachineFunctionPrinterPass(dbgs(), Banner));
+ PM->add(createMachineFunctionPrinterPass(dbgs(), Banner));
if (VerifyMachineCode)
- PM.add(createMachineVerifierPass(Banner));
+ PM->add(createMachineVerifierPass(Banner));
}
/// Add common target configurable passes that perform LLVM IR to IR transforms
@@ -288,46 +288,46 @@
// Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
// BasicAliasAnalysis wins if they disagree. This is intended to help
// support "obvious" type-punning idioms.
- PM.add(createTypeBasedAliasAnalysisPass());
- PM.add(createBasicAliasAnalysisPass());
+ PM->add(createTypeBasedAliasAnalysisPass());
+ PM->add(createBasicAliasAnalysisPass());
// Before running any passes, run the verifier to determine if the input
// coming from the front-end and/or optimizer is valid.
if (!DisableVerify)
- PM.add(createVerifierPass());
+ PM->add(createVerifierPass());
// Run loop strength reduction before anything else.
if (getOptLevel() != CodeGenOpt::None && !DisableLSR) {
- PM.add(createLoopStrengthReducePass(getTargetLowering()));
+ PM->add(createLoopStrengthReducePass(getTargetLowering()));
if (PrintLSR)
- PM.add(createPrintFunctionPass("\n\n*** Code after LSR ***\n", &dbgs()));
+ PM->add(createPrintFunctionPass("\n\n*** Code after LSR ***\n", &dbgs()));
}
- PM.add(createGCLoweringPass());
+ PM->add(createGCLoweringPass());
// Make sure that no unreachable blocks are instruction selected.
- PM.add(createUnreachableBlockEliminationPass());
+ PM->add(createUnreachableBlockEliminationPass());
}
/// Add common passes that perform LLVM IR to IR transforms in preparation for
/// instruction selection.
void TargetPassConfig::addISelPrepare() {
if (getOptLevel() != CodeGenOpt::None && !DisableCGP)
- PM.add(createCodeGenPreparePass(getTargetLowering()));
+ PM->add(createCodeGenPreparePass(getTargetLowering()));
- PM.add(createStackProtectorPass(getTargetLowering()));
+ PM->add(createStackProtectorPass(getTargetLowering()));
addPreISel();
if (PrintISelInput)
- PM.add(createPrintFunctionPass("\n\n"
- "*** Final LLVM Code input to ISel ***\n",
- &dbgs()));
+ PM->add(createPrintFunctionPass("\n\n"
+ "*** Final LLVM Code input to ISel ***\n",
+ &dbgs()));
// All passes which modify the LLVM IR are now complete; run the verifier
// to ensure that the IR is valid.
if (!DisableVerify)
- PM.add(createVerifierPass());
+ PM->add(createVerifierPass());
}
/// Add the complete set of target-independent postISel code generator passes.
@@ -405,7 +405,7 @@
// GC
addPass(GCMachineCodeAnalysisID);
if (PrintGCInfo)
- PM.add(createGCInfoPrinter(dbgs()));
+ PM->add(createGCInfoPrinter(dbgs()));
// Basic block placement.
if (getOptLevel() != CodeGenOpt::None)
@@ -522,7 +522,7 @@
addPass(PHIEliminationID);
addPass(TwoAddressInstructionPassID);
- PM.add(RegAllocPass);
+ PM->add(RegAllocPass);
printAndVerify("After Register Allocation");
}
@@ -564,7 +564,7 @@
printAndVerify("After Machine Scheduling");
// Add the selected register allocation pass.
- PM.add(RegAllocPass);
+ PM->add(RegAllocPass);
printAndVerify("After Register Allocation");
// FinalizeRegAlloc is convenient until MachineInstrBundles is more mature,