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Add a flag to addPassesToEmit* to disable the Verifier pass run

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after LSR, so that clients can opt in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97357 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-02-28 00:41:59 +00:00
parent 225798143d
commit 8772f5041c
7 changed files with 42 additions and 20 deletions
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18
include/llvm/Target/TargetMachine.h
View File

@ -190,7 +190,8 @@ public:
virtual bool addPassesToEmitFile(PassManagerBase &,
formatted_raw_ostream &,
CodeGenFileType,
CodeGenOpt::Level) {
CodeGenOpt::Level,
bool DisableVerify = true) {
return true;
}
@ -202,7 +203,8 @@ public:
///
virtual bool addPassesToEmitMachineCode(PassManagerBase &,
JITCodeEmitter &,
CodeGenOpt::Level) {
CodeGenOpt::Level,
bool DisableVerify = true) {
return true;
}
@ -212,7 +214,8 @@ public:
virtual bool WantsWholeFile() const { return false; }
virtual bool addPassesToEmitWholeFile(PassManager &, formatted_raw_ostream &,
CodeGenFileType,
CodeGenOpt::Level) {
CodeGenOpt::Level,
bool DisableVerify = true) {
return true;
}
};
@ -227,7 +230,8 @@ protected: // Can only create subclasses.
/// addCommonCodeGenPasses - Add standard LLVM codegen passes used for
/// both emitting to assembly files or machine code output.
///
bool addCommonCodeGenPasses(PassManagerBase &, CodeGenOpt::Level);
bool addCommonCodeGenPasses(PassManagerBase &, CodeGenOpt::Level,
bool DisableVerify);
private:
virtual void setCodeModelForJIT();
@ -242,7 +246,8 @@ public:
virtual bool addPassesToEmitFile(PassManagerBase &PM,
formatted_raw_ostream &Out,
CodeGenFileType FileType,
CodeGenOpt::Level);
CodeGenOpt::Level,
bool DisableVerify = true);
/// addPassesToEmitMachineCode - Add passes to the specified pass manager to
/// get machine code emitted. This uses a JITCodeEmitter object to handle
@ -252,7 +257,8 @@ public:
///
virtual bool addPassesToEmitMachineCode(PassManagerBase &PM,
JITCodeEmitter &MCE,
CodeGenOpt::Level);
CodeGenOpt::Level,
bool DisableVerify = true);
/// Target-Independent Code Generator Pass Configuration Options.

26
lib/CodeGen/LLVMTargetMachine.cpp
View File

@ -115,9 +115,10 @@ LLVMTargetMachine::setCodeModelForStatic() {
bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
formatted_raw_ostream &Out,
CodeGenFileType FileType,
CodeGenOpt::Level OptLevel) {
CodeGenOpt::Level OptLevel,
bool DisableVerify) {
// Add common CodeGen passes.
if (addCommonCodeGenPasses(PM, OptLevel))
if (addCommonCodeGenPasses(PM, OptLevel, DisableVerify))
return true;
OwningPtr<MCContext> Context(new MCContext());
@ -193,12 +194,13 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
///
bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
JITCodeEmitter &JCE,
CodeGenOpt::Level OptLevel) {
CodeGenOpt::Level OptLevel,
bool DisableVerify) {
// Make sure the code model is set.
setCodeModelForJIT();
// Add common CodeGen passes.
if (addCommonCodeGenPasses(PM, OptLevel))
if (addCommonCodeGenPasses(PM, OptLevel, DisableVerify))
return true;
addCodeEmitter(PM, OptLevel, JCE);
@ -221,9 +223,15 @@ static void printAndVerify(PassManagerBase &PM,
/// emitting to assembly files or machine code output.
///
bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
CodeGenOpt::Level OptLevel,
bool DisableVerify) {
// Standard LLVM-Level Passes.
// 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());
// Optionally, tun split-GEPs and no-load GVN.
if (EnableSplitGEPGVN) {
PM.add(createGEPSplitterPass());
@ -235,9 +243,6 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
PM.add(createLoopStrengthReducePass(getTargetLowering()));
if (PrintLSR)
PM.add(createPrintFunctionPass("\n\n*** Code after LSR ***\n", &dbgs()));
#ifndef NDEBUG
PM.add(createVerifierPass());
#endif
}
// Turn exception handling constructs into something the code generators can
@ -277,6 +282,11 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
"*** 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());
// Standard Lower-Level Passes.
// Set up a MachineFunction for the rest of CodeGen to work on.

3
lib/Target/CBackend/CBackend.cpp
View File

@ -3544,7 +3544,8 @@ void CWriter::visitExtractValueInst(ExtractValueInst &EVI) {
bool CTargetMachine::addPassesToEmitWholeFile(PassManager &PM,
formatted_raw_ostream &o,
CodeGenFileType FileType,
CodeGenOpt::Level OptLevel) {
CodeGenOpt::Level OptLevel,
bool DisableVerify) {
if (FileType != TargetMachine::CGFT_AssemblyFile) return true;
PM.add(createGCLoweringPass());

3
lib/Target/CBackend/CTargetMachine.h
View File

@ -27,7 +27,8 @@ struct CTargetMachine : public TargetMachine {
virtual bool addPassesToEmitWholeFile(PassManager &PM,
formatted_raw_ostream &Out,
CodeGenFileType FileType,
CodeGenOpt::Level OptLevel);
CodeGenOpt::Level OptLevel,
bool DisableVerify);
virtual const TargetData *getTargetData() const { return 0; }
};

3
lib/Target/CppBackend/CPPBackend.cpp
View File

@ -2009,7 +2009,8 @@ char CppWriter::ID = 0;
bool CPPTargetMachine::addPassesToEmitWholeFile(PassManager &PM,
formatted_raw_ostream &o,
CodeGenFileType FileType,
CodeGenOpt::Level OptLevel) {
CodeGenOpt::Level OptLevel,
bool DisableVerify) {
if (FileType != TargetMachine::CGFT_AssemblyFile) return true;
PM.add(new CppWriter(o));
return false;

3
lib/Target/CppBackend/CPPTargetMachine.h
View File

@ -30,7 +30,8 @@ struct CPPTargetMachine : public TargetMachine {
virtual bool addPassesToEmitWholeFile(PassManager &PM,
formatted_raw_ostream &Out,
CodeGenFileType FileType,
CodeGenOpt::Level OptLevel);
CodeGenOpt::Level OptLevel,
bool DisableVerify);
virtual const TargetData *getTargetData() const { return 0; }
};

6
lib/Target/MSIL/MSILWriter.cpp
View File

@ -38,7 +38,8 @@ namespace llvm {
virtual bool addPassesToEmitWholeFile(PassManager &PM,
formatted_raw_ostream &Out,
CodeGenFileType FileType,
CodeGenOpt::Level OptLevel);
CodeGenOpt::Level OptLevel,
bool DisableVerify);
virtual const TargetData *getTargetData() const { return 0; }
};
@ -1688,7 +1689,8 @@ void MSILWriter::printExternals() {
bool MSILTarget::addPassesToEmitWholeFile(PassManager &PM,
formatted_raw_ostream &o,
CodeGenFileType FileType,
CodeGenOpt::Level OptLevel)
CodeGenOpt::Level OptLevel,
bool DisableVerify)
{
if (FileType != TargetMachine::CGFT_AssemblyFile) return true;
MSILWriter* Writer = new MSILWriter(o);