r268509 - Do not disable completely loop unroll when optimizing for size.

[Marianne Mailhot-Sarrasin via cfe-commits]

Author: mamai
Date: Wed May  4 10:26:28 2016
New Revision: 268509

URL: http://llvm.org/viewvc/llvm-project?rev=268509&view=rev
Log:
Do not disable completely loop unroll when optimizing for size.

Let the loop unroll pass handle /Os. It already checks that option and adjust its thresholds accordingly. Also, will allow the #pragma unroll to have an effect in /Os.

Differential Revision: http://reviews.llvm.org/D19827

Modified:
    cfe/trunk/lib/Frontend/CompilerInvocation.cpp

Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=268509&r1=268508&r2=268509&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Wed May  4 10:26:28 2016
@@ -513,7 +513,7 @@ static bool ParseCodeGenArgs(CodeGenOpti
     getAllNoBuiltinFuncValues(Args, Opts.NoBuiltinFuncs);
   Opts.UnrollLoops =
       Args.hasFlag(OPT_funroll_loops, OPT_fno_unroll_loops,
-                   (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize));
+                   (Opts.OptimizationLevel > 1));
   Opts.RerollLoops = Args.hasArg(OPT_freroll_loops);
 
   Opts.DisableIntegratedAS = Args.hasArg(OPT_fno_integrated_as);