[PATCH] D107913: [PGO] Make negative pgo-warn-mismatch{,-comdat} options positive`-pgo-warn-mismatch=false` replaces `-no-pgo-warn-mismatch=false`.
Fangrui Song via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 11 09:58:39 PDT 2021
MaskRay created this revision.
MaskRay added a reviewer: xur.
Herald added subscribers: ormris, wenlei, steven_wu, hiraditya.
MaskRay requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D107913
Files:
llvm/lib/LTO/LTOBackend.cpp
llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
Index: llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
===================================================================
--- llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
+++ llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
@@ -201,21 +201,18 @@
namespace llvm {
// Command line option to enable/disable the warning about a hash mismatch in
// the profile data.
-cl::opt<bool>
- NoPGOWarnMismatch("no-pgo-warn-mismatch", cl::init(false), cl::Hidden,
- cl::desc("Use this option to turn off/on "
- "warnings about profile cfg mismatch."));
+cl::opt<bool> PGOWarnMismatch("pgo-warn-mismatch", cl::init(true), cl::Hidden,
+ cl::desc("Warn about profile cfg mismatch"));
} // namespace llvm
// Command line option to enable/disable the warning about a hash mismatch in
// the profile data for Comdat functions, which often turns out to be false
// positive due to the pre-instrumentation inline.
static cl::opt<bool>
- NoPGOWarnMismatchComdat("no-pgo-warn-mismatch-comdat", cl::init(true),
- cl::Hidden,
- cl::desc("The option is used to turn on/off "
- "warnings about hash mismatch for comdat "
- "functions."));
+ PGOWarnMismatchComdat("pgo-warn-mismatch-comdat", cl::init(false),
+ cl::Hidden,
+ cl::desc("Warn about hash mismatch for comdat "
+ "functions"));
// Command line option to enable/disable select instruction instrumentation.
static cl::opt<bool>
@@ -1293,8 +1290,8 @@
Err == instrprof_error::malformed) {
IsCS ? NumOfCSPGOMismatch++ : NumOfPGOMismatch++;
SkipWarning =
- NoPGOWarnMismatch ||
- (NoPGOWarnMismatchComdat &&
+ !PGOWarnMismatch ||
+ (!PGOWarnMismatchComdat &&
(F.hasComdat() ||
F.getLinkage() == GlobalValue::AvailableExternallyLinkage));
LLVM_DEBUG(dbgs() << "hash mismatch (skip=" << SkipWarning << ")");
Index: llvm/lib/LTO/LTOBackend.cpp
===================================================================
--- llvm/lib/LTO/LTOBackend.cpp
+++ llvm/lib/LTO/LTOBackend.cpp
@@ -75,7 +75,7 @@
"importing and the other pre-optimization pipeline changes."));
namespace llvm {
-extern cl::opt<bool> NoPGOWarnMismatch;
+extern cl::opt<bool> PGOWarnMismatch;
}
[[noreturn]] static void reportOpenError(StringRef Path, Twine Msg) {
@@ -225,7 +225,7 @@
PGOOpt = PGOOptions(Conf.CSIRProfile, "", Conf.ProfileRemapping,
PGOOptions::IRUse, PGOOptions::CSIRUse,
Conf.AddFSDiscriminator);
- NoPGOWarnMismatch = !Conf.PGOWarnMismatch;
+ PGOWarnMismatch = Conf.PGOWarnMismatch;
} else if (Conf.AddFSDiscriminator) {
PGOOpt = PGOOptions("", "", "", PGOOptions::NoAction,
PGOOptions::NoCSAction, true);
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D107913.365785.patch
Type: text/x-patch
Size: 3094 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210811/2c656b30/attachment.bin>
More information about the llvm-commits
mailing list