avoid mutating a global in an accessor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36289 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/JIT/TargetSelect.cpp b/lib/ExecutionEngine/JIT/TargetSelect.cpp
index 30fd2fa..bf968af 100644
--- a/lib/ExecutionEngine/JIT/TargetSelect.cpp
+++ b/lib/ExecutionEngine/JIT/TargetSelect.cpp
@@ -39,15 +39,16 @@
/// for the current target. Otherwise, return null.
///
ExecutionEngine *JIT::create(ModuleProvider *MP, std::string *ErrorStr) {
- if (MArch == 0) {
+ const TargetMachineRegistry::Entry *TheArch = MArch;
+ if (TheArch == 0) {
std::string Error;
- MArch = TargetMachineRegistry::getClosestTargetForJIT(Error);
- if (MArch == 0) {
+ TheArch = TargetMachineRegistry::getClosestTargetForJIT(Error);
+ if (TheArch == 0) {
if (ErrorStr)
*ErrorStr = Error;
return 0;
}
- } else if (MArch->JITMatchQualityFn() == 0) {
+ } else if (TheArch->JITMatchQualityFn() == 0) {
cerr << "WARNING: This target JIT is not designed for the host you are"
<< " running. If bad things happen, please choose a different "
<< "-march switch.\n";
@@ -64,7 +65,7 @@
}
// Allocate a target...
- TargetMachine *Target = MArch->CtorFn(*MP->getModule(), FeaturesStr);
+ TargetMachine *Target = TheArch->CtorFn(*MP->getModule(), FeaturesStr);
assert(Target && "Could not allocate target machine!");
// If the target supports JIT code generation, return a new JIT now.