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Create inliner params based on size and opt levels.

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Differential revision: https://reviews.llvm.org/D34309

llvm-svn: 306542
This commit is contained in:
Easwaran Raman 2017-06-28 13:33:49 +00:00
parent 3be58ceecd
commit e471d35c72
1 changed files with 11 additions and 3 deletions
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14
lib/Passes/PassBuilder.cpp
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@ -480,6 +480,14 @@ static void addPGOInstrPasses(ModulePassManager &MPM, bool DebugLogging,
MPM.addPass(PGOInstrumentationUse(ProfileUseFile));
}
static InlineParams
getInlineParamsFromOptLevel(PassBuilder::OptimizationLevel Level) {
auto O3 = PassBuilder::O3;
unsigned OptLevel = Level > O3 ? 2 : Level;
unsigned SizeLevel = Level > O3 ? Level - O3 : 0;
return getInlineParams(OptLevel, SizeLevel);
}
ModulePassManager
PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level,
bool DebugLogging) {
@ -558,8 +566,7 @@ PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level,
// Run the inliner first. The theory is that we are walking bottom-up and so
// the callees have already been fully optimized, and we want to inline them
// into the callers so that our optimizations can reflect that.
// FIXME; Customize the threshold based on optimization level.
MainCGPipeline.addPass(InlinerPass());
MainCGPipeline.addPass(InlinerPass(getInlineParamsFromOptLevel(Level)));
// Now deduce any function attributes based in the current code.
MainCGPipeline.addPass(PostOrderFunctionAttrsPass());
@ -868,7 +875,8 @@ ModulePassManager PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
// valuable as the inliner doesn't currently care whether it is inlining an
// invoke or a call.
// Run the inliner now.
MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(InlinerPass()));
MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(
InlinerPass(getInlineParamsFromOptLevel(Level))));
// Optimize globals again after we ran the inliner.
MPM.addPass(GlobalOptPass());