RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 03:02:36 +01:00
Code Issues Projects Releases Wiki Activity

[NewPassManager] Add tuning option: LoopUnrolling [NFC].

Browse Source 
Summary: Mirror tuning option from old pass manager in new pass manager.

Reviewers: chandlerc

Subscribers: jlebar, dmgreen, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D61618

llvm-svn: 361540
This commit is contained in:
Alina Sbirlea 2019-05-23 19:35:40 +00:00
parent 6db0591e88
commit f34749eda6
2 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/llvm/Passes/PassBuilder.h
View File

@ -85,6 +85,9 @@ public:
/// is that of the flag: `vectorize-slp`.
bool SLPVectorization;
/// Tuning option to enable/disable loop unrolling. Its default value is true.
bool LoopUnrolling;
/// Tuning option to cap the number of calls to retrive clobbering accesses in
/// MemorySSA, in LICM.
unsigned LicmMssaOptCap;

9
lib/Passes/PassBuilder.cpp
View File

@ -217,6 +217,7 @@ PipelineTuningOptions::PipelineTuningOptions() {
LoopInterleaving = EnableLoopInterleaving;
LoopVectorization = EnableLoopVectorization;
SLPVectorization = RunSLPVectorization;
LoopUnrolling = true;
LicmMssaOptCap = SetLicmMssaOptCap;
LicmMssaNoAccForPromotionCap = SetLicmMssaNoAccForPromotionCap;
}
@ -459,8 +460,9 @@ PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level,
// Do not enable unrolling in PreLinkThinLTO phase during sample PGO
// because it changes IR to makes profile annotation in back compile
// inaccurate.
if (Phase != ThinLTOPhase::PreLink || !PGOOpt ||
PGOOpt->Action != PGOOptions::SampleUse)
if ((Phase != ThinLTOPhase::PreLink || !PGOOpt ||
PGOOpt->Action != PGOOptions::SampleUse) &&
PTO.LoopUnrolling)
LPM2.addPass(LoopFullUnrollPass(Level));
for (auto &C : LoopOptimizerEndEPCallbacks)
@ -907,7 +909,8 @@ ModulePassManager PassBuilder::buildModuleOptimizationPipeline(
OptimizePM.addPass(
createFunctionToLoopPassAdaptor(LoopUnrollAndJamPass(Level)));
}
OptimizePM.addPass(LoopUnrollPass(LoopUnrollOptions(Level)));
if (PTO.LoopUnrolling)
OptimizePM.addPass(LoopUnrollPass(LoopUnrollOptions(Level)));
OptimizePM.addPass(WarnMissedTransformationsPass());
OptimizePM.addPass(InstCombinePass());
OptimizePM.addPass(RequireAnalysisPass<OptimizationRemarkEmitterAnalysis, Function>());