Author: anemet
Date: Mon Feb 26 10:38:11 2018
New Revision: 326108
URL: http://llvm.org/viewvc/llvm-project?rev=326108&view=rev
Log:
[Driver] Forward opt-remark hotness threshold to LTO
Modified:
cfe/trunk/lib/Driver/ToolChains/Darwin.cpp
cfe/trunk/test/Driver/darwin-ld.c
Modified: cfe/trunk/lib/Driver/ToolChains/Darwin.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Darwin.cpp?rev=326108&r1=326107&r2=326108&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Darwin.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Darwin.cpp Mon Feb 26 10:38:11 2018
@@ -452,7 +452,8 @@ void darwin::Linker::ConstructJob(Compil
// we follow suite for ease of comparison.
AddLinkArgs(C, Args, CmdArgs, Inputs);
- // For LTO, pass the name of the optimization record file.
+ // For LTO, pass the name of the optimization record file and other
+ // opt-remarks flags.
if (Args.hasFlag(options::OPT_fsave_optimization_record,
options::OPT_fno_save_optimization_record, false)) {
CmdArgs.push_back("-mllvm");
@@ -467,6 +468,14 @@ void darwin::Linker::ConstructJob(Compil
if (getLastProfileUseArg(Args)) {
CmdArgs.push_back("-mllvm");
CmdArgs.push_back("-lto-pass-remarks-with-hotness");
+
+ if (const Arg *A =
+ Args.getLastArg(options::OPT_fdiagnostics_hotness_threshold_EQ))
{
+ CmdArgs.push_back("-mllvm");
+ std::string Opt =
+ std::string("-lto-pass-remarks-hotness-threshold=") +
A->getValue();
+ CmdArgs.push_back(Args.MakeArgString(Opt));
+ }
}
}
Modified: cfe/trunk/test/Driver/darwin-ld.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/darwin-ld.c?rev=326108&r1=326107&r2=326108&view=diff
==============================================================================
--- cfe/trunk/test/Driver/darwin-ld.c (original)
+++ cfe/trunk/test/Driver/darwin-ld.c Mon Feb 26 10:38:11 2018
@@ -342,6 +342,10 @@
// RUN: FileCheck -check-prefix=PASS_REMARKS_WITH_HOTNESS %s < %t.log
// PASS_REMARKS_WITH_HOTNESS: "-mllvm" "-lto-pass-remarks-output" "-mllvm"
"foo/bar.out.opt.yaml" "-mllvm" "-lto-pass-remarks-with-hotness"
+// RUN: %clang -target x86_64-apple-darwin12 %t.o -fsave-optimization-record
-fprofile-instr-use=blah -fdiagnostics-hotness-threshold=100 -### -o
foo/bar.out 2> %t.log
+// RUN: FileCheck -check-prefix=PASS_REMARKS_WITH_HOTNESS_THRESHOLD %s < %t.log
+// PASS_REMARKS_WITH_HOTNESS_THRESHOLD: "-mllvm" "-lto-pass-remarks-output"
"-mllvm" "foo/bar.out.opt.yaml" "-mllvm" "-lto-pass-remarks-with-hotness"
"-mllvm" "-lto-pass-remarks-hotness-threshold=100"
+
// RUN: %clang -target x86_64-apple-ios6.0 -miphoneos-version-min=6.0
-fprofile-instr-generate -### %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_PROFILE_FIRST %s < %t.log
// RUN: %clang -target x86_64-apple-darwin12 -fprofile-instr-generate -###
%t.o 2> %t.log
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