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authorDehao Chen <dehao@google.com>2017-06-29 23:33:05 +0000
committerDehao Chen <dehao@google.com>2017-06-29 23:33:05 +0000
commitade8407c6e42308e326edb367e7860593eb8919a (patch)
treeb0769d7d4d564cfef09225a7d2ea7e0936cc1dc1 /lib/Passes
parenta633437a75e05d6dad8b541e2dc9d15936995bed (diff)
Hook the sample PGO machinery in the new PM
Summary: This patch hooks up SampleProfileLoaderPass with the new PM. Reviewers: chandlerc, davidxl, davide, tejohnson Reviewed By: chandlerc, tejohnson Subscribers: tejohnson, llvm-commits, sanjoy Differential Revision: https://reviews.llvm.org/D34720 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306763 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Passes')
-rw-r--r--lib/Passes/PassBuilder.cpp22
1 files changed, 13 insertions, 9 deletions
diff --git a/lib/Passes/PassBuilder.cpp b/lib/Passes/PassBuilder.cpp
index bc73cdda88b6..0380bd991d71 100644
--- a/lib/Passes/PassBuilder.cpp
+++ b/lib/Passes/PassBuilder.cpp
@@ -535,13 +535,17 @@ PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level,
// Add all the requested passes for PGO, if requested.
if (PGOOpt) {
- assert(PGOOpt->RunProfileGen || PGOOpt->SamplePGO ||
+ assert(PGOOpt->RunProfileGen || !PGOOpt->SampleProfileFile.empty() ||
!PGOOpt->ProfileUseFile.empty());
- addPGOInstrPasses(MPM, DebugLogging, Level, PGOOpt->RunProfileGen,
- PGOOpt->ProfileGenFile, PGOOpt->ProfileUseFile);
+ if (PGOOpt->SampleProfileFile.empty())
+ addPGOInstrPasses(MPM, DebugLogging, Level, PGOOpt->RunProfileGen,
+ PGOOpt->ProfileGenFile, PGOOpt->ProfileUseFile);
+ else
+ MPM.addPass(SampleProfileLoaderPass(PGOOpt->SampleProfileFile));
// Indirect call promotion that promotes intra-module targes only.
- MPM.addPass(PGOIndirectCallPromotion(false, PGOOpt && PGOOpt->SamplePGO));
+ MPM.addPass(PGOIndirectCallPromotion(
+ false, PGOOpt && !PGOOpt->SampleProfileFile.empty()));
}
// Require the GlobalsAA analysis for the module so we can query it within
@@ -776,9 +780,9 @@ PassBuilder::buildThinLTODefaultPipeline(OptimizationLevel Level,
// During the ThinLTO backend phase we perform early indirect call promotion
// here, before globalopt. Otherwise imported available_externally functions
// look unreferenced and are removed.
- MPM.addPass(PGOIndirectCallPromotion(true /* InLTO */,
- PGOOpt && PGOOpt->SamplePGO &&
- !PGOOpt->ProfileUseFile.empty()));
+ MPM.addPass(PGOIndirectCallPromotion(
+ true /* InLTO */, PGOOpt && !PGOOpt->SampleProfileFile.empty() &&
+ !PGOOpt->ProfileUseFile.empty()));
// Add the core simplification pipeline.
MPM.addPass(buildModuleSimplificationPipeline(Level, DebugLogging));
@@ -818,8 +822,8 @@ ModulePassManager PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
// left by the earlier promotion pass that promotes intra-module targets.
// This two-step promotion is to save the compile time. For LTO, it should
// produce the same result as if we only do promotion here.
- MPM.addPass(PGOIndirectCallPromotion(true /* InLTO */,
- PGOOpt && PGOOpt->SamplePGO));
+ MPM.addPass(PGOIndirectCallPromotion(
+ true /* InLTO */, PGOOpt && !PGOOpt->SampleProfileFile.empty()));
// Propagate constants at call sites into the functions they call. This
// opens opportunities for globalopt (and inlining) by substituting function