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Make it feasible for clients using EngineBuilder to capture the TargetMachine that is created as part of selecting the appropriate target.

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This is necessary if the client wants to be able to mutate TargetOptions (for example, fast FP math mode) after the initial creation of the ExecutionEngine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153342 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2012-03-23 17:40:56 +00:00
parent f1113ef452
commit 8e1fc56b24
3 changed files with 53 additions and 48 deletions
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21
include/llvm/ExecutionEngine/ExecutionEngine.h
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@ -602,19 +602,20 @@ public:
return *this;
}
TargetMachine *selectTarget();
/// selectTarget - Pick a target either via -march or by guessing the native
/// arch. Add any CPU features specified via -mcpu or -mattr.
static TargetMachine *selectTarget(const Triple &TargetTriple,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs,
const TargetOptions &Options,
Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL,
std::string *Err);
TargetMachine *selectTarget(const Triple &TargetTriple,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs);
ExecutionEngine *create();
ExecutionEngine *create() {
return create(selectTarget());
}
ExecutionEngine *create(TargetMachine *TM);
};
} // End llvm namespace