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[LTO API] add lto_codegen_set_should_internalize.

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When debugging LTO issues with ld64, we use -save-temps to save the merged
optimized bitcode file, then invoke ld64 again on the single bitcode file.
The saved bitcode file is already internalized, so we can call
lto_codegen_set_should_internalize and skip running internalization again.

rdar://20227235


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235211 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren
2015-04-17 17:10:09 +00:00
parent c7b16819e8
commit 44b800f44d
5 changed files with 22 additions and 2 deletions
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3
include/llvm/LTO/LTOCodeGenerator.h
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@ -79,6 +79,8 @@ struct LTOCodeGenerator {
void setAttr(const char *mAttr) { MAttr = mAttr; }
void setOptLevel(unsigned optLevel) { OptLevel = optLevel; }
void setShouldInternalize(bool Value) { ShouldInternalize = Value; }
void addMustPreserveSymbol(const char *sym) { MustPreserveSymbols[sym] = 1; }
// To pass options to the driver and optimization passes. These options are
@ -174,6 +176,7 @@ private:
lto_diagnostic_handler_t DiagHandler;
void *DiagContext;
LTOModule *OwnedModule;
bool ShouldInternalize;
};
}
#endif