https://github.com/w2yehia updated
https://github.com/llvm/llvm-project/pull/127858
>From 843f78e9826b037a7bfb0913728a11eb249f4181 Mon Sep 17 00:00:00 2001
From: Wael Yehia <wye...@ca.ibm.com>
Date: Wed, 19 Feb 2025 06:25:16 +0000
Subject: [PATCH 1/2] [profile] runtime counter relocation is needed on
windows-msvc targets
---
clang/lib/Driver/ToolChains/Clang.cpp | 2 +-
clang/test/Driver/fprofile-continuous.c | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp
b/clang/lib/Driver/ToolChains/Clang.cpp
index 96af466e067a8..3f76d034ee308 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -795,7 +795,7 @@ static void addPGOAndCoverageFlags(const ToolChain &TC,
Compilation &C,
else {
CmdArgs.push_back("-fprofile-continuous");
// Platforms that require a bias variable:
- if (T.isOSBinFormatELF() || T.isOSAIX()) {
+ if (T.isOSBinFormatELF() || T.isOSAIX() ||
T.isKnownWindowsMSVCEnvironment()) {
CmdArgs.push_back("-mllvm");
CmdArgs.push_back("-runtime-counter-relocation");
}
diff --git a/clang/test/Driver/fprofile-continuous.c
b/clang/test/Driver/fprofile-continuous.c
index 81719fb70cb1e..cc8e56c8f9fe0 100644
--- a/clang/test/Driver/fprofile-continuous.c
+++ b/clang/test/Driver/fprofile-continuous.c
@@ -6,6 +6,7 @@
// RUN: %clang --target=powerpc64-ibm-aix -fprofile-generate
-fprofile-continuous -### -c %s 2>&1 | FileCheck %s --check-prefix=RELOC
// RUN: %clang --target=x86_64-unknown-fuchsia -fprofile-generate
-fprofile-continuous -### -c %s 2>&1 | FileCheck %s --check-prefix=RELOC
+// RUN: %clang --target=x86_64-windows-msvc -fprofile-generate
-fprofile-continuous -### -c %s 2>&1 | FileCheck %s --check-prefix=RELOC
// RELOC: "-cc1" {{.*}} "-fprofile-continuous" "-mllvm"
"-runtime-counter-relocation"
// 2) test -fprofile-continuous with cs-profile-generate and
-fprofile-instr-generate
>From c984182fd2957563ef5cd4b7bc4525dc3bb185d8 Mon Sep 17 00:00:00 2001
From: Wael Yehia <wye...@ca.ibm.com>
Date: Wed, 19 Feb 2025 19:55:19 +0000
Subject: [PATCH 2/2] clang-format
---
clang/lib/Driver/ToolChains/Clang.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp
b/clang/lib/Driver/ToolChains/Clang.cpp
index 3f76d034ee308..e7acc3f55267d 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -795,7 +795,8 @@ static void addPGOAndCoverageFlags(const ToolChain &TC,
Compilation &C,
else {
CmdArgs.push_back("-fprofile-continuous");
// Platforms that require a bias variable:
- if (T.isOSBinFormatELF() || T.isOSAIX() ||
T.isKnownWindowsMSVCEnvironment()) {
+ if (T.isOSBinFormatELF() || T.isOSAIX() ||
+ T.isKnownWindowsMSVCEnvironment()) {
CmdArgs.push_back("-mllvm");
CmdArgs.push_back("-runtime-counter-relocation");
}
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