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Add support for target-cpu=native

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This commit is contained in:
Julian Orth 2015-03-10 01:46:45 +01:00
parent 638832e64c
commit 660b48fae5
3 changed files with 24 additions and 1 deletions
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8
src/rustllvm/PassWrapper.cpp
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@ -14,6 +14,7 @@
#include "llvm/Support/CBindingWrapping.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Host.h"
#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
@ -83,6 +84,11 @@ LLVMRustCreateTargetMachine(const char *triple,
return NULL;
}
StringRef real_cpu = cpu;
if (real_cpu == "native") {
real_cpu = sys::getHostCPUName();
}
TargetOptions Options;
Options.PositionIndependentExecutable = PositionIndependentExecutable;
Options.NoFramePointerElim = NoFramePointerElim;
@ -96,7 +102,7 @@ LLVMRustCreateTargetMachine(const char *triple,
}
TargetMachine *TM = TheTarget->createTargetMachine(Trip.getTriple(),
cpu,
real_cpu,
feature,
Options,
RM,