diff --git a/lld/MinGW/Driver.cpp b/lld/MinGW/Driver.cpp index efd643f9a3220..bb08c77b2e11d 100644 --- a/lld/MinGW/Driver.cpp +++ b/lld/MinGW/Driver.cpp @@ -455,6 +455,8 @@ bool link(ArrayRef argsArr, llvm::raw_ostream &stdoutOS, add("-lldemit:llvm"); if (args.hasArg(OPT_lto_emit_asm)) add("-lldemit:asm"); + if (auto *arg = args.getLastArg(OPT_lto_sample_profile)) + add("-lto-sample-profile:" + StringRef(arg->getValue())); if (auto *a = args.getLastArg(OPT_thinlto_cache_dir)) add("-lldltocache:" + StringRef(a->getValue())); diff --git a/lld/MinGW/Options.td b/lld/MinGW/Options.td index 9a0a96aac7f1c..56f67e3dd96c4 100644 --- a/lld/MinGW/Options.td +++ b/lld/MinGW/Options.td @@ -160,6 +160,8 @@ def lto_cs_profile_file: JJ<"lto-cs-profile-file=">, HelpText<"Context sensitive profile file path">; def lto_emit_asm: FF<"lto-emit-asm">, HelpText<"Emit assembly code">; +def lto_sample_profile: JJ<"lto-sample-profile=">, + HelpText<"Sample profile file path">; def thinlto_cache_dir: JJ<"thinlto-cache-dir=">, HelpText<"Path to ThinLTO cached object file directory">; diff --git a/lld/test/MinGW/driver.test b/lld/test/MinGW/driver.test index a4e9e5e1b19b4..619fee8dee7c1 100644 --- a/lld/test/MinGW/driver.test +++ b/lld/test/MinGW/driver.test @@ -422,6 +422,9 @@ LTO_EMIT_ASM: -lldemit:asm RUN: ld.lld -### foo.o -m i386pe -plugin-opt=emit-llvm 2>&1 | FileCheck -check-prefix=LTO_EMIT_LLVM %s LTO_EMIT_LLVM: -lldemit:llvm +RUN: ld.lld -### foo.o -m i386pep --lto-sample-profile=foo 2>&1 | FileCheck -check-prefix=LTO_SAMPLE_PROFILE %s +LTO_SAMPLE_PROFILE: -lto-sample-profile:foo + Test GCC specific LTO options that GCC passes unconditionally, that we ignore. RUN: ld.lld -### foo.o -m i386pep -plugin /usr/lib/gcc/x86_64-w64-mingw32/10-posix/liblto_plugin.so -plugin-opt=/usr/lib/gcc/x86_64-w64-mingw32/10-posix/lto-wrapper -plugin-opt=-fresolution=/tmp/ccM9d4fP.res -plugin-opt=-pass-through=-lmingw32 2> /dev/null