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| author | James Molloy <james.molloy@arm.com> | 2015-12-21 10:44:36 +0000 |
|---|---|---|
| committer | James Molloy <james.molloy@arm.com> | 2015-12-21 10:44:36 +0000 |
| commit | f97fdae4d0d0192db59531fd9948339153be27cb (patch) | |
| tree | 11e46f263bb8950c1f462301aeda7b6297459773 | |
| parent | 0b8ed1d16259fa845fe708819069e068eef172e2 (diff) | |
| download | bcm5719-llvm-f97fdae4d0d0192db59531fd9948339153be27cb.tar.gz bcm5719-llvm-f97fdae4d0d0192db59531fd9948339153be27cb.zip | |
[Driver] Pass -O* to the gold plugin via -plugin-opt
The gold plugin understands -O0..-O3, but these are not currently being passed to it.
llvm-svn: 256146
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 13 | ||||
| -rw-r--r-- | clang/test/Driver/gold-lto.c | 9 |
2 files changed, 19 insertions, 3 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 6947219e914..fd299ea695a 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -1796,6 +1796,19 @@ static void AddGoldPlugin(const ToolChain &ToolChain, const ArgList &Args, if (!CPU.empty()) CmdArgs.push_back(Args.MakeArgString(Twine("-plugin-opt=mcpu=") + CPU)); + if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { + StringRef OOpt; + if (A->getOption().matches(options::OPT_O4) || + A->getOption().matches(options::OPT_Ofast)) + OOpt = "3"; + else if (A->getOption().matches(options::OPT_O)) + OOpt = A->getValue(); + else if (A->getOption().matches(options::OPT_O0)) + OOpt = "0"; + if (!OOpt.empty()) + CmdArgs.push_back(Args.MakeArgString(Twine("-plugin-opt=O") + OOpt)); + } + if (IsThinLTO) CmdArgs.push_back("-plugin-opt=thinlto"); } diff --git a/clang/test/Driver/gold-lto.c b/clang/test/Driver/gold-lto.c index db6786ffd8b..050b1ef18be 100644 --- a/clang/test/Driver/gold-lto.c +++ b/clang/test/Driver/gold-lto.c @@ -1,23 +1,26 @@ // RUN: touch %t.o // // RUN: %clang -target x86_64-unknown-linux -### %t.o -flto 2>&1 \ -// RUN: -Wl,-plugin-opt=foo \ +// RUN: -Wl,-plugin-opt=foo -O3 \ // RUN: | FileCheck %s --check-prefix=CHECK-X86-64-BASIC // CHECK-X86-64-BASIC: "-plugin" "{{.*}}/LLVMgold.so" +// CHECK-X86-64-BASIC: "-plugin-opt=O3" // CHECK-X86-64-BASIC: "-plugin-opt=foo" // // RUN: %clang -target x86_64-unknown-linux -### %t.o -flto 2>&1 \ -// RUN: -march=corei7 -Wl,-plugin-opt=foo \ +// RUN: -march=corei7 -Wl,-plugin-opt=foo -Ofast \ // RUN: | FileCheck %s --check-prefix=CHECK-X86-64-COREI7 // CHECK-X86-64-COREI7: "-plugin" "{{.*}}/LLVMgold.so" // CHECK-X86-64-COREI7: "-plugin-opt=mcpu=corei7" +// CHECK-X86-64-COREI7: "-plugin-opt=O3" // CHECK-X86-64-COREI7: "-plugin-opt=foo" // // RUN: %clang -target arm-unknown-linux -### %t.o -flto 2>&1 \ -// RUN: -march=armv7a -Wl,-plugin-opt=foo \ +// RUN: -march=armv7a -Wl,-plugin-opt=foo -O0 \ // RUN: | FileCheck %s --check-prefix=CHECK-ARM-V7A // CHECK-ARM-V7A: "-plugin" "{{.*}}/LLVMgold.so" // CHECK-ARM-V7A: "-plugin-opt=mcpu=cortex-a8" +// CHECK-ARM-V7A: "-plugin-opt=O0" // CHECK-ARM-V7A: "-plugin-opt=foo" // // RUN: %clang -target i686-linux-android -### %t.o -flto 2>&1 \ |
