[driver] Add support for -fno-inline.
rdar://10972766

llvm-svn: 152130
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 14cdefb..43ac475 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1096,6 +1096,9 @@
   // We must always run at least the always inlining pass.
   Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining
     : CodeGenOptions::OnlyAlwaysInlining;
+  // -fno-inline overrides OptimizationLevel > 1.
+  Opts.Inlining = Args.hasArg(OPT_fno_inline) ? 
+    CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining;
 
   Opts.DebugInfo = Args.hasArg(OPT_g);
   Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info)
@@ -1915,8 +1918,7 @@
   // optimization level and -fno-inline, not actually whether the backend has
   // inlining enabled.
   //
-  // FIXME: This is affected by other options (-fno-inline).
-  Opts.NoInline = !Opt;
+  Opts.NoInline = !Opt || Args.hasArg(OPT_fno_inline);
 
   Opts.FastMath = Args.hasArg(OPT_ffast_math);