#ifndef X86SUBTARGET_H
#define X86SUBTARGET_H
+#include "llvm/ADT/Triple.h"
#include "llvm/Target/TargetSubtarget.h"
+#include "llvm/CallingConv.h"
#include <string>
namespace llvm {
/// HasAES - Target has AES instructions
bool HasAES;
+ /// HasCLMUL - Target has carry-less multiplication
+ bool HasCLMUL;
+
/// HasFMA3 - Target has 3-operand fused multiply-add
bool HasFMA3;
/// operands. This may require setting a feature bit in the processor.
bool HasVectorUAMem;
- /// Promote16Bit - True if codegen should promote 16-bit operations to 32-bit.
- /// This is a temporary option.
- bool Promote16Bit;
-
- /// DarwinVers - Nonzero if this is a darwin platform: the numeric
- /// version of the platform, e.g. 8 = 10.4 (Tiger), 9 = 10.5 (Leopard), etc.
- unsigned char DarwinVers; // Is any darwin-x86 platform.
-
/// stackAlignment - The minimum alignment known to hold of the stack frame on
/// entry to the function and which must be maintained by every function.
unsigned stackAlignment;
/// Max. memset / memcpy size that is turned into rep/movs, rep/stos ops.
///
unsigned MaxInlineSizeThreshold;
+
+ /// TargetTriple - What processor and OS we're targeting.
+ Triple TargetTriple;
private:
/// Is64Bit - True if the processor supports 64-bit instructions and
bool Is64Bit;
public:
- enum {
- isELF, isCygwin, isDarwin, isWindows, isMingw
- } TargetType;
/// This constructor initializes the data members to match that
/// of the specified triple.
bool has3DNowA() const { return X863DNowLevel >= ThreeDNowA; }
bool hasAVX() const { return HasAVX; }
bool hasAES() const { return HasAES; }
+ bool hasCLMUL() const { return HasCLMUL; }
bool hasFMA3() const { return HasFMA3; }
bool hasFMA4() const { return HasFMA4; }
bool isBTMemSlow() const { return IsBTMemSlow; }
bool isUnalignedMemAccessFast() const { return IsUAMemFast; }
bool hasVectorUAMem() const { return HasVectorUAMem; }
- bool shouldPromote16Bit() const { return Promote16Bit; }
- bool isTargetDarwin() const { return TargetType == isDarwin; }
- bool isTargetELF() const { return TargetType == isELF; }
+ bool isTargetDarwin() const { return TargetTriple.getOS() == Triple::Darwin; }
+
+ // ELF is a reasonably sane default and the only other X86 targets we
+ // support are Darwin and Windows. Just use "not those".
+ bool isTargetELF() const {
+ return !isTargetDarwin() && !isTargetWindows() && !isTargetCygMing();
+ }
+ bool isTargetLinux() const { return TargetTriple.getOS() == Triple::Linux; }
- bool isTargetWindows() const { return TargetType == isWindows; }
- bool isTargetMingw() const { return TargetType == isMingw; }
- bool isTargetCygwin() const { return TargetType == isCygwin; }
+ bool isTargetWindows() const { return TargetTriple.getOS() == Triple::Win32; }
+ bool isTargetMingw() const {
+ return TargetTriple.getOS() == Triple::MinGW32 ||
+ TargetTriple.getOS() == Triple::MinGW64; }
+ bool isTargetCygwin() const { return TargetTriple.getOS() == Triple::Cygwin; }
bool isTargetCygMing() const {
- return TargetType == isMingw || TargetType == isCygwin;
+ return isTargetMingw() || isTargetCygwin();
}
-
+
/// isTargetCOFF - Return true if this is any COFF/Windows target variant.
bool isTargetCOFF() const {
- return TargetType == isMingw || TargetType == isCygwin ||
- TargetType == isWindows;
+ return isTargetMingw() || isTargetCygwin() || isTargetWindows();
}
bool isTargetWin64() const {
- return Is64Bit && (TargetType == isMingw || TargetType == isWindows);
+ return Is64Bit && (isTargetMingw() || isTargetWindows());
}
- std::string getDataLayout() const {
- const char *p;
- if (is64Bit())
- p = "e-p:64:64-s:64-f64:64:64-i64:64:64-f80:128:128-n8:16:32:64";
- else if (isTargetDarwin())
- p = "e-p:32:32-f64:32:64-i64:32:64-f80:128:128-n8:16:32";
- else if (isTargetMingw() || isTargetWindows())
- p = "e-p:32:32-f64:64:64-i64:64:64-f80:32:32-n8:16:32";
- else
- p = "e-p:32:32-f64:32:64-i64:32:64-f80:32:32-n8:16:32";
-
- return std::string(p);
+ bool isTargetWin32() const {
+ return !Is64Bit && (isTargetMingw() || isTargetWindows());
}
bool isPICStyleSet() const { return PICStyle != PICStyles::None; }
/// getDarwinVers - Return the darwin version number, 8 = Tiger, 9 = Leopard,
/// 10 = Snow Leopard, etc.
- unsigned getDarwinVers() const { return DarwinVers; }
+ unsigned getDarwinVers() const {
+ if (isTargetDarwin()) return TargetTriple.getDarwinMajorNumber();
+ return 0;
+ }
/// ClassifyGlobalReference - Classify a global variable reference for the
/// current subtarget according to how we should reference it in a non-pcrel
/// indicating the number of scheduling cycles of backscheduling that
/// should be attempted.
unsigned getSpecialAddressLatency() const;
+
+ /// IsCalleePop - Test whether a function should pop its own arguments.
+ bool IsCalleePop(bool isVarArg, CallingConv::ID CallConv) const;
};
} // End llvm namespace