mirrors/ldc
1
0
Fork 0
mirror of https://github.com/ldc-developers/ldc.git synced 2025-05-03 16:41:06 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

PGO: Add IR-based PGO.

Browse source
This commit is contained in:
Johan Engelen 2017-12-28 16:01:47 +01:00
parent 3ec79179b4
commit e8e28b33b2
5 changed files with 104 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

15
gen/optimizer.cpp
View file

@ -207,7 +207,8 @@ static void addSanitizerCoveragePass(const PassManagerBuilder &Builder,
}
// Adds PGO instrumentation generation and use passes.
static void addPGOPasses(legacy::PassManagerBase &mpm, unsigned optLevel) {
static void addPGOPasses(PassManagerBuilder &builder,
legacy::PassManagerBase &mpm, unsigned optLevel) {
if (opts::isInstrumentingForASTBasedPGO()) {
InstrProfOptions options;
options.NoRedZone = global.params.disableRedZone;
@ -227,6 +228,16 @@ static void addPGOPasses(legacy::PassManagerBase &mpm, unsigned optLevel) {
}
#endif
}
#if LDC_LLVM_VER >= 309
else if (opts::isInstrumentingForIRBasedPGO()) {
#if LDC_LLVM_VER >= 400
builder.EnablePGOInstrGen = true;
#endif
builder.PGOInstrGen = global.params.datafileInstrProf;
} else if (opts::isUsingIRBasedPGOProfile()) {
builder.PGOInstrUse = global.params.datafileInstrProf;
}
#endif
}
/**
@ -328,7 +339,7 @@ static void addOptimizationPasses(legacy::PassManagerBase &mpm,
builder.addExtension(PassManagerBuilder::EP_OptimizerLast,
addStripExternalsPass);
addPGOPasses(mpm, optLevel);
addPGOPasses(builder, mpm, optLevel);
builder.populateFunctionPassManager(fpm);
builder.populateModulePassManager(mpm);