#include "llvm/Target/TargetMachine.h"
#include "llvm/Type.h"
-#include "llvm/IntrinsicLowering.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
+#include "llvm/Support/CommandLine.h"
using namespace llvm;
+//---------------------------------------------------------------------------
+// Command-line options that tend to be useful on more than one back-end.
+//
+
+namespace llvm {
+ bool PrintMachineCode;
+ bool NoFramePointerElim;
+ bool NoExcessFPPrecision;
+};
+namespace {
+ cl::opt<bool, true> PrintCode("print-machineinstrs",
+ cl::desc("Print generated machine code"),
+ cl::location(PrintMachineCode), cl::init(false));
+
+ cl::opt<bool, true>
+ DisableFPElim("disable-fp-elim",
+ cl::desc("Disable frame pointer elimination optimization"),
+ cl::location(NoFramePointerElim),
+ cl::init(false));
+ cl::opt<bool, true>
+ DisableExcessPrecision("disable-excess-fp-precision",
+ cl::desc("Disable optimizations that may increase FP precision"),
+ cl::location(NoExcessFPPrecision),
+ cl::init(false));
+};
+
//---------------------------------------------------------------------------
// TargetMachine Class
//
unsigned char PtrSize, unsigned char PtrAl,
unsigned char DoubleAl, unsigned char FloatAl,
unsigned char LongAl, unsigned char IntAl,
- unsigned char ShortAl, unsigned char ByteAl)
+ unsigned char ShortAl, unsigned char ByteAl,
+ unsigned char BoolAl)
: Name(name), DataLayout(name, LittleEndian,
PtrSize, PtrAl, DoubleAl, FloatAl, LongAl,
- IntAl, ShortAl, ByteAl) {
+ IntAl, ShortAl, ByteAl, BoolAl) {
+ IL = il ? il : new DefaultIntrinsicLowering();
+}
+
+TargetMachine::TargetMachine(const std::string &name, IntrinsicLowering *il,
+ const TargetData &TD)
+ : Name(name), DataLayout(TD) {
IL = il ? il : new DefaultIntrinsicLowering();
}
+
TargetMachine::TargetMachine(const std::string &name, IntrinsicLowering *il,
const Module &M)
: Name(name), DataLayout(name, &M) {
delete IL;
}
-unsigned TargetMachine::findOptimalStorageSize(const Type *Ty) const {
- // All integer types smaller than ints promote to 4 byte integers.
- if (Ty->isIntegral() && Ty->getPrimitiveSize() < 4)
- return 4;
-
- return DataLayout.getTypeSize(Ty);
-}