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Set __OPTIMIZE_SIZE__ on -Os and -Oz. This matches gcc's behaviour on both OS X 

and linux.

llvm-svn: 145142
This commit is contained in:
Rafael Espindola 2011-11-26 06:21:20 +00:00
parent a84ad7d0d0
commit 04268df8ed
2 changed files with 2 additions and 2 deletions
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2
clang/lib/Frontend/CompilerInvocation.cpp
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@ -1806,7 +1806,6 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align);
Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant);
Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math);
Opts.OptimizeSize = 0;
Opts.MRTD = Args.hasArg(OPT_mrtd);
Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map);
Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype);
@ -1823,6 +1822,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
// FIXME: Eliminate this dependency.
unsigned Opt = getOptimizationLevel(Args, IK, Diags);
Opts.Optimize = Opt != 0;
Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz);
// This is the __NO_INLINE__ define, which just depends on things like the
// optimization level and -fno-inline, not actually whether the backend has

2
clang/test/Preprocessor/optimize.c
View File

@ -23,7 +23,7 @@
#ifndef __OPTIMIZE__
#error "__OPTIMIZE__ not defined"
#endif
#ifdef __OPTIMIZE_SIZE__
#ifndef __OPTIMIZE_SIZE__
#error "__OPTIMIZE_SIZE__ not defined"
#endif
#endif