diff options
Diffstat (limited to 'lld')
| -rw-r--r-- | lld/ELF/Config.h | 1 | ||||
| -rw-r--r-- | lld/ELF/Driver.cpp | 1 | ||||
| -rw-r--r-- | lld/ELF/LTO.cpp | 1 | ||||
| -rw-r--r-- | lld/ELF/Options.td | 2 | ||||
| -rw-r--r-- | lld/docs/ld.lld.1 | 3 | ||||
| -rw-r--r-- | lld/test/ELF/lto/opt-remarks.ll | 5 |
6 files changed, 13 insertions, 0 deletions
diff --git a/lld/ELF/Config.h b/lld/ELF/Config.h index 9981098eb6c..a6b96b40548 100644 --- a/lld/ELF/Config.h +++ b/lld/ELF/Config.h @@ -99,6 +99,7 @@ struct Configuration { llvm::StringRef MapFile; llvm::StringRef OutputFile; llvm::StringRef OptRemarksFilename; + llvm::StringRef OptRemarksPasses; llvm::StringRef ProgName; llvm::StringRef SoName; llvm::StringRef Sysroot; diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp index 44f2293f199..c27e36f94a2 100644 --- a/lld/ELF/Driver.cpp +++ b/lld/ELF/Driver.cpp @@ -818,6 +818,7 @@ void LinkerDriver::readConfigs(opt::InputArgList &Args) { Config->OFormatBinary = isOutputFormatBinary(Args); Config->Omagic = Args.hasFlag(OPT_omagic, OPT_no_omagic, false); Config->OptRemarksFilename = Args.getLastArgValue(OPT_opt_remarks_filename); + Config->OptRemarksPasses = Args.getLastArgValue(OPT_opt_remarks_passes); Config->OptRemarksWithHotness = Args.hasArg(OPT_opt_remarks_with_hotness); Config->Optimize = args::getInteger(Args, OPT_O, 1); Config->OrphanHandling = getOrphanHandling(Args); diff --git a/lld/ELF/LTO.cpp b/lld/ELF/LTO.cpp index b19996d5e9a..c97ff4d2476 100644 --- a/lld/ELF/LTO.cpp +++ b/lld/ELF/LTO.cpp @@ -97,6 +97,7 @@ static lto::Config createConfig() { // Set up optimization remarks if we've been asked to. C.RemarksFilename = Config->OptRemarksFilename; + C.RemarksPasses = Config->OptRemarksPasses; C.RemarksWithHotness = Config->OptRemarksWithHotness; C.SampleProfile = Config->LTOSampleProfile; diff --git a/lld/ELF/Options.td b/lld/ELF/Options.td index 013235287b3..968cf1900b6 100644 --- a/lld/ELF/Options.td +++ b/lld/ELF/Options.td @@ -454,6 +454,8 @@ def disable_verify: F<"disable-verify">; defm mllvm: Eq<"mllvm", "Additional arguments to forward to LLVM's option processing">; def opt_remarks_filename: Separate<["--"], "opt-remarks-filename">, HelpText<"YAML output file for optimization remarks">; +def opt_remarks_passes: Separate<["--"], "opt-remarks-passes">, + HelpText<"Regex for the passes that need to be serialized to the output file">; def opt_remarks_with_hotness: Flag<["--"], "opt-remarks-with-hotness">, HelpText<"Include hotness information in the optimization remarks file">; defm plugin_opt: Eq<"plugin-opt", "specifies LTO options for compatibility with GNU linkers">; diff --git a/lld/docs/ld.lld.1 b/lld/docs/ld.lld.1 index 2e499bac81e..d18914ca509 100644 --- a/lld/docs/ld.lld.1 +++ b/lld/docs/ld.lld.1 @@ -329,6 +329,9 @@ Set the text and data sections to be readable and writable. .It Fl -opt-remarks-filename Ar file Write optimization remarks in YAML format to .Ar file . +.It Fl -opt-remarks-passes Ar pass-regex +Filter optimization remarks by only allowing the passes matching +.Ar pass-regex . .It Fl -opt-remarks-with-hotness Include hotness information in the optimization remarks file. .It Fl -orphan-handling Ns = Ns Ar mode diff --git a/lld/test/ELF/lto/opt-remarks.ll b/lld/test/ELF/lto/opt-remarks.ll index bef7e016a1c..e37bfd345ac 100644 --- a/lld/test/ELF/lto/opt-remarks.ll +++ b/lld/test/ELF/lto/opt-remarks.ll @@ -8,6 +8,9 @@ ; RUN: %t.o -o %t -shared ; RUN: cat %t.yaml | FileCheck %s -check-prefix=YAML ; RUN: cat %t.hot.yaml | FileCheck %s -check-prefix=YAML-HOT +; RUN: ld.lld --opt-remarks-filename %t1.yaml --opt-remarks-passes inline %t.o \ +; RUN: -o /dev/null -shared +; RUN: cat %t1.yaml | FileCheck %s -check-prefix=YAML-PASSES ; Check that @tinkywinky is inlined after optimizations. ; CHECK-LABEL: define i32 @main @@ -48,6 +51,8 @@ ; YAML-HOT-NEXT: - String: ')' ; YAML-HOT-NEXT: ... +; YAML-PASSES: Pass: inline + target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-scei-ps4" |
