Add -Oz option and use it to set the inline threshold to 25.
Radar 9333566. Patch by Chad Rosier!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130554 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 998ca8a..841a231 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -139,7 +139,7 @@
Res.push_back("-momit-leaf-frame-pointer");
if (Opts.OptimizeSize) {
assert(Opts.OptimizationLevel == 2 && "Invalid options!");
- Res.push_back("-Os");
+ Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz");
} else if (Opts.OptimizationLevel != 0)
Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel));
if (!Opts.MainFileName.empty()) {
@@ -815,8 +815,8 @@
unsigned DefaultOpt = 0;
if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable))
DefaultOpt = 2;
- // -Os implies -O2
- return Args.hasArg(OPT_Os) ? 2 :
+ // -Os/-Oz implies -O2
+ return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 :
Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags);
}
@@ -931,6 +931,7 @@
Opts.NoCommon = Args.hasArg(OPT_fno_common);
Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
Opts.OptimizeSize = Args.hasArg(OPT_Os);
+ Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize;
Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) ||
Args.hasArg(OPT_ffreestanding));
Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) ||