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Second attempt:

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Massive check in. This changes the "-fast" flag to "-O#" in llc. If you want to
use the old behavior, the flag is -O0. This change allows for finer-grained
control over which optimizations are run at different -O levels.

Most of this work was pretty mechanical. The majority of the fixes came from
verifying that a "fast" variable wasn't used anymore. The JIT still uses a
"Fast" flag. I'll change the JIT with a follow-up patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70343 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2009-04-29 00:15:41 +00:00
parent a24d1b1558
commit be8cc2a3de
93 changed files with 400 additions and 346 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/Target/Alpha/Alpha.h
+1 -1
View File
@@ -26,7 +26,7 @@ namespace llvm {
FunctionPass *createAlphaISelDag(AlphaTargetMachine &TM);
FunctionPass *createAlphaCodePrinterPass(raw_ostream &OS,
TargetMachine &TM,
bool Fast, bool Verbose);
unsigned OptLevel, bool Verbose);
FunctionPass *createAlphaPatternInstructionSelector(TargetMachine &TM);
FunctionPass *createAlphaCodeEmitterPass(AlphaTargetMachine &TM,
MachineCodeEmitter &MCE);
lib/Target/Alpha/AlphaTargetMachine.cpp
+11 -8
View File
@@ -76,31 +76,34 @@ AlphaTargetMachine::AlphaTargetMachine(const Module &M, const std::string &FS)
// Pass Pipeline Configuration
//===----------------------------------------------------------------------===//
bool AlphaTargetMachine::addInstSelector(PassManagerBase &PM, bool Fast) {
bool AlphaTargetMachine::addInstSelector(PassManagerBase &PM,
unsigned OptLevel) {
PM.add(createAlphaISelDag(*this));
return false;
}
bool AlphaTargetMachine::addPreEmitPass(PassManagerBase &PM, bool Fast) {
bool AlphaTargetMachine::addPreEmitPass(PassManagerBase &PM,
unsigned OptLevel) {
// Must run branch selection immediately preceding the asm printer
PM.add(createAlphaBranchSelectionPass());
return false;
}
bool AlphaTargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast,
bool AlphaTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
unsigned OptLevel,
bool Verbose,
raw_ostream &Out) {
PM.add(createAlphaLLRPPass(*this));
PM.add(createAlphaCodePrinterPass(Out, *this, Fast, Verbose));
PM.add(createAlphaCodePrinterPass(Out, *this, OptLevel, Verbose));
return false;
}
bool AlphaTargetMachine::addCodeEmitter(PassManagerBase &PM, bool Fast,
bool AlphaTargetMachine::addCodeEmitter(PassManagerBase &PM, unsigned OptLevel,
bool DumpAsm, MachineCodeEmitter &MCE) {
PM.add(createAlphaCodeEmitterPass(*this, MCE));
if (DumpAsm)
PM.add(createAlphaCodePrinterPass(errs(), *this, Fast, true));
PM.add(createAlphaCodePrinterPass(errs(), *this, OptLevel, true));
return false;
}
bool AlphaTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
bool Fast, bool DumpAsm,
unsigned OptLevel, bool DumpAsm,
MachineCodeEmitter &MCE) {
return addCodeEmitter(PM, Fast, DumpAsm, MCE);
return addCodeEmitter(PM, OptLevel, DumpAsm, MCE);
}
lib/Target/Alpha/AlphaTargetMachine.h
+5 -5
View File
@@ -58,13 +58,13 @@ public:
static unsigned getModuleMatchQuality(const Module &M);
// Pass Pipeline Configuration
virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
virtual bool addPreEmitPass(PassManagerBase &PM, bool Fast);
virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast,
virtual bool addInstSelector(PassManagerBase &PM, unsigned OptLevel);
virtual bool addPreEmitPass(PassManagerBase &PM, unsigned OptLevel);
virtual bool addAssemblyEmitter(PassManagerBase &PM, unsigned OptLevel,
bool Verbose, raw_ostream &Out);
virtual bool addCodeEmitter(PassManagerBase &PM, bool Fast,
virtual bool addCodeEmitter(PassManagerBase &PM, unsigned OptLevel,
bool DumpAsm, MachineCodeEmitter &MCE);
virtual bool addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
virtual bool addSimpleCodeEmitter(PassManagerBase &PM, unsigned OptLevel,
bool DumpAsm, MachineCodeEmitter &MCE);
};
lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
+6 -5
View File
@@ -36,9 +36,9 @@ namespace {
/// Unique incrementer for label values for referencing Global values.
///
AlphaAsmPrinter(raw_ostream &o, TargetMachine &tm,
const TargetAsmInfo *T, bool F, bool V)
: AsmPrinter(o, tm, T, F, V) {}
explicit AlphaAsmPrinter(raw_ostream &o, TargetMachine &tm,
const TargetAsmInfo *T, unsigned OL, bool V)
: AsmPrinter(o, tm, T, OL, V) {}
virtual const char *getPassName() const {
return "Alpha Assembly Printer";
@@ -68,8 +68,9 @@ namespace {
///
FunctionPass *llvm::createAlphaCodePrinterPass(raw_ostream &o,
TargetMachine &tm,
bool fast, bool verbose) {
return new AlphaAsmPrinter(o, tm, tm.getTargetAsmInfo(), fast, verbose);
unsigned OptLevel,
bool verbose) {
return new AlphaAsmPrinter(o, tm, tm.getTargetAsmInfo(), OptLevel, verbose);
}
#include "AlphaGenAsmWriter.inc"