[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

qiongsiwu wrote: > Sometimes godbolt output (like https://godbolt.org/z/MxbjcnanW) could be > faster and more convenient (e.g., there is no need to get windows executable > to for debugging, only LLVM IR is needed). Thanks for the pointer! Yup godbolt can indeed reproduce IR quite well. https

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

@@ -100,12 +103,6 @@ ValueProfNode *__llvm_profile_begin_vnodes(); ValueProfNode *__llvm_profile_end_vnodes(); uint32_t *__llvm_profile_begin_orderfile(); -/*! - * \brief Clear profile counters to zero. - * - */ -void __llvm_profile_reset_counters(void); sneha

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

https://github.com/snehasish edited https://github.com/llvm/llvm-project/pull/76471 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

@@ -1364,12 +1364,22 @@ static void InitializePredefinedMacros(const TargetInfo &TI, TI.getTargetDefines(LangOpts, Builder); } +static void InitializePGOProfileMacros(const CodeGenOptions &CodeGenOpts, qiongsiwu wrote: This [comment](https://discourse.llv

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

@@ -0,0 +1,26 @@ +// RUN: %clang_profgen %s -S -emit-llvm -o - | FileCheck %s --check-prefix=PROFGEN +// RUN: %clang_profgen -o %t %s +// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t +// RUN: llvm-profdata merge -o %t.profdata %t.profraw +// RUN: %clang_profuse=%t.profdata %s -S

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

https://github.com/qiongsiwu edited https://github.com/llvm/llvm-project/pull/76471 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

https://github.com/snehasish edited https://github.com/llvm/llvm-project/pull/76471 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

@@ -12,6 +12,19 @@ #include "InstrProfilingPort.h" #include +// Make sure __LLVM_INSTR_PROFILE_GENERATE is always defined before +// including instr_prof_interface.h so the interface functions are +// declared correctly for the runtime. Additionally, make sure +// that __LLVM

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

@@ -1364,12 +1364,22 @@ static void InitializePredefinedMacros(const TargetInfo &TI, TI.getTargetDefines(LangOpts, Builder); } +static void InitializePGOProfileMacros(const CodeGenOptions &CodeGenOpts, + MacroBuilder &Builder) { + if (

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

@@ -12,6 +12,19 @@ #include "InstrProfilingPort.h" #include +// Make sure __LLVM_INSTR_PROFILE_GENERATE is always defined before +// including instr_prof_interface.h so the interface functions are +// declared correctly for the runtime. Additionally, make sure +// that __LLVM

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

https://github.com/qiongsiwu updated https://github.com/llvm/llvm-project/pull/76471 >From 6c9381ec324595947237bd25642b03ab40b6a4df Mon Sep 17 00:00:00 2001 From: Qiongsi Wu Date: Wed, 27 Dec 2023 13:05:01 -0500 Subject: [PATCH 1/9] Initial commit --- .../ExpandModularHeadersPPCallbacks.cpp

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

https://github.com/qiongsiwu updated https://github.com/llvm/llvm-project/pull/76471 >From 6c9381ec324595947237bd25642b03ab40b6a4df Mon Sep 17 00:00:00 2001 From: Qiongsi Wu Date: Wed, 27 Dec 2023 13:05:01 -0500 Subject: [PATCH 01/10] Initial commit --- .../ExpandModularHeadersPPCallbacks.cpp

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

minglotus-6 wrote: nit: maybe add a brief description about what this file tests. https://github.com/llvm/llvm-project/pull/76471 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

@@ -0,0 +1,16 @@ +// Test the linker feature that treats undefined weak symbols as null values. + +// RUN: %clang_pgogen -o %t %s qiongsiwu wrote: Ah no worries! I actually tried running this on AIX and the test is unsupported. I think compiler-rt [checks](http

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

@@ -0,0 +1,38 @@ +// RUN: %clang_profgen %s --target=ppc64le-unknown-linux-gnu -S \ +// RUN:-emit-llvm -o - | FileCheck %s --check-prefix=PROFGEN +// RUN: %clang_profgen -o %t %s +// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t qiongsiwu wrote: Ah thanks for

[clang] [clang-tools-extra] [compiler-rt] [PGO] Exposing PGO's Counter Reset and File Dumping APIs (PR #76471)

teresajohnson wrote: > I realized one problem during testing IRPGO (thanks again for the suggestion > @minglotus-6 !). > > A function's control flow may change between `-fprofile-generate` and > `-fprofile-use` when we make use of definitions in the new header. For > example, one may have the