//===----------------------------------------------------------------------===//
#include "llvm/Target/TargetMachine.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalAlias.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
delete AsmInfo;
}
+/// \brief Reset the target options based on the function's attributes.
+void TargetMachine::resetTargetOptions(const MachineFunction *MF) const {
+ const Function *F = MF->getFunction();
+ TargetOptions &TO = MF->getTarget().Options;
+
+#define RESET_OPTION(X, Y) \
+ do { \
+ if (F->hasFnAttribute(Y)) \
+ TO.X = \
+ (F->getAttributes(). \
+ getAttribute(AttributeSet::FunctionIndex, \
+ Y).getValueAsString() == "true"); \
+ } while (0)
+
+ RESET_OPTION(NoFramePointerElim, "no-frame-pointer-elim");
+ RESET_OPTION(NoFramePointerElimNonLeaf, "no-frame-pointer-elim-non-leaf");
+ RESET_OPTION(LessPreciseFPMADOption, "less-precise-fpmad");
+ RESET_OPTION(UnsafeFPMath, "unsafe-fp-math");
+ RESET_OPTION(NoInfsFPMath, "no-infs-fp-math");
+ RESET_OPTION(NoNaNsFPMath, "no-nans-fp-math");
+ RESET_OPTION(UseSoftFloat, "use-soft-float");
+ RESET_OPTION(DisableTailCalls, "disable-tail-calls");
+}
+
/// getRelocationModel - Returns the code generation relocation model. The
/// choices are static, PIC, and dynamic-no-pic, and target default.
Reloc::Model TargetMachine::getRelocationModel() const {