[PM] Add support for sample PGO in the new pass manager (clang-side)
Summary: This implements the clang bits of https://reviews.llvm.org/D34720, and add corresponding test to verify if it worked.
Reviewers: chandlerc, davidxl, davide, tejohnson
Reviewed By: chandlerc, tejohnson
Subscribers: tejohnson, sanjoy, mehdi_amini, eraman, cfe-commits
Differential Revision: https://reviews.llvm.org/D34721
llvm-svn: 306764
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 67ccbcd..fcd0550 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -857,11 +857,15 @@
if (CodeGenOpts.hasProfileIRUse())
PGOOpt.ProfileUseFile = CodeGenOpts.ProfileInstrumentUsePath;
+ if (!CodeGenOpts.SampleProfileFile.empty())
+ PGOOpt.SampleProfileFile = CodeGenOpts.SampleProfileFile;
+
// Only pass a PGO options struct if -fprofile-generate or
// -fprofile-use were passed on the cmdline.
PassBuilder PB(TM.get(),
(PGOOpt.RunProfileGen ||
- !PGOOpt.ProfileUseFile.empty()) ?
+ !PGOOpt.ProfileUseFile.empty() ||
+ !PGOOpt.SampleProfileFile.empty()) ?
Optional<PGOOptions>(PGOOpt) : None);
LoopAnalysisManager LAM;