diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index e4af66b7835e..2141cc9656bd 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -1817,16 +1817,18 @@ static void addProfileRT( Args.hasArg(options::OPT_coverage))) return; + // Pull in runtime for -fprofile-inst-generate. This is required since there + // are no calls to the runtime in the code. + if (Args.hasArg(options::OPT_fprofile_instr_generate)) { + CmdArgs.push_back("-u"); + CmdArgs.push_back("___llvm_profile_runtime"); + } + SmallString<128> LibProfile = getCompilerRTLibDir(TC); llvm::sys::path::append(LibProfile, Twine("libclang_rt.profile-") + getArchNameForCompilerRTLib(TC) + ".a"); - SmallVector LibProfileArgs; - LibProfileArgs.push_back("-whole-archive"); - LibProfileArgs.push_back(Args.MakeArgString(LibProfile)); - LibProfileArgs.push_back("-no-whole-archive"); - - CmdArgs.insert(CmdArgs.end(), LibProfileArgs.begin(), LibProfileArgs.end()); + CmdArgs.push_back(Args.MakeArgString(LibProfile)); } static void addSanitizerRTLinkFlags( diff --git a/clang/test/Driver/coverage-ld.c b/clang/test/Driver/coverage-ld.c index bb70fe56c817..0e39249a2f3e 100644 --- a/clang/test/Driver/coverage-ld.c +++ b/clang/test/Driver/coverage-ld.c @@ -16,11 +16,8 @@ // RUN: | FileCheck --check-prefix=CHECK-LINUX-X86-64 %s // // CHECK-LINUX-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}" -// CHECK-LINUX-X86-64: "-whole-archive" -// CHECK-LINUX-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}linux{{/|\\\\}}libclang_rt.profile-x86_64.a" -// CHECK-LINUX-X86-64: "-no-whole-archive" -// CHECK-LINUX-X86-64: "-lc" - +// CHECK-LINUX-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}linux{{/|\\\\}}libclang_rt.profile-x86_64.a" {{.*}} "-lc" +// // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \ // RUN: -target x86_64-unknown-freebsd --coverage \ // RUN: -resource-dir=%S/Inputs/resource_dir \