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-rw-r--r--lib/ExecutionEngine/JIT/TargetSelect.cpp52
1 files changed, 24 insertions, 28 deletions
diff --git a/lib/ExecutionEngine/JIT/TargetSelect.cpp b/lib/ExecutionEngine/JIT/TargetSelect.cpp
index 84b745b3f9..55ff44121d 100644
--- a/lib/ExecutionEngine/JIT/TargetSelect.cpp
+++ b/lib/ExecutionEngine/JIT/TargetSelect.cpp
@@ -16,8 +16,10 @@
#include "JIT.h"
#include "llvm/Module.h"
#include "llvm/ModuleProvider.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Streams.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Host.h"
#include "llvm/Target/SubtargetFeature.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegistry.h"
@@ -41,35 +43,28 @@ MAttrs("mattr",
/// selectTarget - Pick a target either via -march or by guessing the native
/// arch. Add any CPU features specified via -mcpu or -mattr.
TargetMachine *JIT::selectTarget(ModuleProvider *MP, std::string *ErrorStr) {
- const Target *TheTarget = 0;
- if (MArch.empty()) {
- std::string Error;
- TheTarget = TargetRegistry::getClosestTargetForJIT(Error);
- if (TheTarget == 0) {
- if (ErrorStr)
- *ErrorStr = Error;
- return 0;
- }
- } else {
- for (TargetRegistry::iterator it = TargetRegistry::begin(),
- ie = TargetRegistry::end(); it != ie; ++it) {
- if (MArch == it->getName()) {
- TheTarget = &*it;
- break;
- }
- }
-
- if (TheTarget == 0) {
- if (ErrorStr)
- *ErrorStr = std::string("invalid target '" + MArch + "'.\n");
- return 0;
- }
+ Triple TheTriple(sys::getHostTriple());
- if (!TheTarget->hasJIT()) {
- cerr << "WARNING: This target JIT is not designed for the host you are"
+ // Adjust the triple to match what the user requested.
+ if (!MArch.empty())
+ TheTriple.setArch(Triple::getArchTypeForLLVMName(MArch));
+
+ std::string Error;
+ const Target *TheTarget =
+ TargetRegistry::lookupTarget(TheTriple.getTriple(),
+ /*FallbackToHost=*/false,
+ /*RequireJIT=*/false,
+ Error);
+ if (TheTarget == 0) {
+ if (ErrorStr)
+ *ErrorStr = Error;
+ return 0;
+ }
+
+ if (!TheTarget->hasJIT()) {
+ errs() << "WARNING: This target JIT is not designed for the host you are"
<< " running. If bad things happen, please choose a different "
<< "-march switch.\n";
- }
}
// Package up features to be passed to target/subtarget
@@ -84,7 +79,8 @@ TargetMachine *JIT::selectTarget(ModuleProvider *MP, std::string *ErrorStr) {
// Allocate a target...
TargetMachine *Target =
- TheTarget->createTargetMachine(*MP->getModule(), FeaturesStr);
+ TheTarget->createTargetMachine(*MP->getModule(), TheTriple.getTriple(),
+ FeaturesStr);
assert(Target && "Could not allocate target machine!");
return Target;
}