Author: shuxin_yang
Date: Tue Aug 13 23:36:53 2013
New Revision: 188352
URL: http://llvm.org/viewvc/llvm-project?rev=188352&view=rev
Log:
Driver::IsUsingLTO() no longer return true when seeing -emit-llvm.
The rationale for this change is to differentiate following two situations:
1) clang -c -emit-llvm a.c
2) clang -c -flto a.c
Reviewed by Eric Christopher. Thanks a lot!
Modified:
cfe/trunk/lib/Driver/Driver.cpp
Modified: cfe/trunk/lib/Driver/Driver.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Driver.cpp?rev=188352&r1=188351&r2=188352&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Driver.cpp (original)
+++ cfe/trunk/lib/Driver/Driver.cpp Tue Aug 13 23:36:53 2013
@@ -1339,6 +1339,10 @@ Action *Driver::ConstructPhaseAction(con
types::ID Output =
Args.hasArg(options::OPT_S) ? types::TY_LTO_IR : types::TY_LTO_BC;
return new CompileJobAction(Input, Output);
+ } else if (Args.hasArg(options::OPT_emit_llvm)) {
+ types::ID Output =
+ Args.hasArg(options::OPT_S) ? types::TY_LLVM_IR : types::TY_LLVM_BC;
+ return new CompileJobAction(Input, Output);
} else {
return new CompileJobAction(Input, types::TY_PP_Asm);
}
@@ -1351,9 +1355,7 @@ Action *Driver::ConstructPhaseAction(con
}
bool Driver::IsUsingLTO(const ArgList &Args) const {
- // Check for -emit-llvm or -flto.
- if (Args.hasArg(options::OPT_emit_llvm) ||
- Args.hasFlag(options::OPT_flto, options::OPT_fno_lto, false))
+ if (Args.hasFlag(options::OPT_flto, options::OPT_fno_lto, false))
return true;
// Check for -O4.
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