Second attempt:
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
diff --git a/lib/Target/Alpha/Alpha.h b/lib/Target/Alpha/Alpha.h
index d93394a..994edaa 100644
--- a/lib/Target/Alpha/Alpha.h
+++ b/lib/Target/Alpha/Alpha.h
@@ -26,7 +26,7 @@
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);
diff --git a/lib/Target/Alpha/AlphaTargetMachine.cpp b/lib/Target/Alpha/AlphaTargetMachine.cpp
index cae91d8..7a87612 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.cpp
+++ b/lib/Target/Alpha/AlphaTargetMachine.cpp
@@ -76,31 +76,34 @@
// 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);
}
diff --git a/lib/Target/Alpha/AlphaTargetMachine.h b/lib/Target/Alpha/AlphaTargetMachine.h
index 9a03bae..309c2e8 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.h
+++ b/lib/Target/Alpha/AlphaTargetMachine.h
@@ -58,13 +58,13 @@
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);
};
diff --git a/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp b/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
index 0df7e80..292a380 100644
--- a/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
+++ b/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
@@ -36,9 +36,9 @@
/// 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 @@
///
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"