[X86] Add support for tbyte memory operand size for Intel-syntax x86 assembly

[oota-llvm.git] / include / llvm / Target / TargetCallingConv.h

diff --git a/include/llvm/Target/TargetCallingConv.h b/include/llvm/Target/TargetCallingConv.h
index 56ebfa41040725f3b0e30a19959dc9256f7c445e..9d4e7a04d905a72ac836c68d321736767d9e0a2a 100644 (file)
--- a/include/llvm/Target/TargetCallingConv.h
+++ b/include/llvm/Target/TargetCallingConv.h
@@ -14,9 +14,11 @@
 #ifndef LLVM_TARGET_TARGETCALLINGCONV_H
 #define LLVM_TARGET_TARGETCALLINGCONV_H
 
+#include "llvm/CodeGen/ValueTypes.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/MathExtras.h"
 #include <string>
+#include <limits.h>
 
 namespace llvm {
 
@@ -36,16 +38,22 @@ namespace ISD {
     static const uint64_t ByValOffs      = 4;
     static const uint64_t Nest           = 1ULL<<5;  ///< Nested fn static chain
     static const uint64_t NestOffs       = 5;
-    static const uint64_t Returned       = 1ULL<<6;
+    static const uint64_t Returned       = 1ULL<<6;  ///< Always returned
     static const uint64_t ReturnedOffs   = 6;
     static const uint64_t ByValAlign     = 0xFULL<<7; ///< Struct alignment
     static const uint64_t ByValAlignOffs = 7;
     static const uint64_t Split          = 1ULL<<11;
     static const uint64_t SplitOffs      = 11;
+    static const uint64_t InAlloca       = 1ULL<<12; ///< Passed with inalloca
+    static const uint64_t InAllocaOffs   = 12;
     static const uint64_t OrigAlign      = 0x1FULL<<27;
     static const uint64_t OrigAlignOffs  = 27;
-    static const uint64_t ByValSize      = 0xffffffffULL << 32; ///< Struct size
+    static const uint64_t ByValSize      = 0x3fffffffULL<<32; ///< Struct size
     static const uint64_t ByValSizeOffs  = 32;
+    static const uint64_t InConsecutiveRegsLast      = 0x1ULL<<62; ///< Struct size
+    static const uint64_t InConsecutiveRegsLastOffs  = 62;
+    static const uint64_t InConsecutiveRegs      = 0x1ULL<<63; ///< Struct size
+    static const uint64_t InConsecutiveRegsOffs  = 63;
 
     static const uint64_t One            = 1ULL; ///< 1 of this type, for shifts
 
@@ -68,12 +76,21 @@ namespace ISD {
     bool isByVal()     const { return Flags & ByVal; }
     void setByVal()    { Flags |= One << ByValOffs; }
 
+    bool isInAlloca()  const { return Flags & InAlloca; }
+    void setInAlloca() { Flags |= One << InAllocaOffs; }
+
     bool isNest()      const { return Flags & Nest; }
     void setNest()     { Flags |= One << NestOffs; }
 
     bool isReturned()  const { return Flags & Returned; }
     void setReturned() { Flags |= One << ReturnedOffs; }
 
+    bool isInConsecutiveRegs()  const { return Flags & InConsecutiveRegs; }
+    void setInConsecutiveRegs() { Flags |= One << InConsecutiveRegsOffs; }
+
+    bool isInConsecutiveRegsLast()  const { return Flags & InConsecutiveRegsLast; }
+    void setInConsecutiveRegsLast() { Flags |= One << InConsecutiveRegsLastOffs; }
+
     unsigned getByValAlign() const {
       return (unsigned)
         ((One << ((Flags & ByValAlign) >> ByValAlignOffs)) / 2);
@@ -102,9 +119,6 @@ namespace ISD {
       Flags = (Flags & ~ByValSize) | (uint64_t(S) << ByValSizeOffs);
     }
 
-    /// getArgFlagsString - Returns the flags as a string, eg: "zext align:4".
-    std::string getArgFlagsString();
-
     /// getRawBits - Represent the flags as a bunch of bits.
     uint64_t getRawBits() const { return Flags; }
   };
@@ -116,10 +130,13 @@ namespace ISD {
   struct InputArg {
     ArgFlagsTy Flags;
     MVT VT;
+    EVT ArgVT;
     bool Used;
 
     /// Index original Function's argument.
     unsigned OrigArgIndex;
+    /// Sentinel value for implicit machine-level input arguments.
+    static const unsigned NoArgIndex = UINT_MAX;
 
     /// Offset in bytes of current input value relative to the beginning of
     /// original argument. E.g. if argument was splitted into four 32 bit
@@ -127,10 +144,20 @@ namespace ISD {
     unsigned PartOffset;
 
     InputArg() : VT(MVT::Other), Used(false) {}
-    InputArg(ArgFlagsTy flags, EVT vt, bool used,
+    InputArg(ArgFlagsTy flags, EVT vt, EVT argvt, bool used,
              unsigned origIdx, unsigned partOffs)
       : Flags(flags), Used(used), OrigArgIndex(origIdx), PartOffset(partOffs) {
       VT = vt.getSimpleVT();
+      ArgVT = argvt;
+    }
+
+    bool isOrigArg() const {
+      return OrigArgIndex != NoArgIndex;
+    }
+
+    unsigned getOrigArgIndex() const {
+      assert(OrigArgIndex != NoArgIndex && "Implicit machine-level argument");
+      return OrigArgIndex;
     }
   };
 
@@ -141,6 +168,7 @@ namespace ISD {
   struct OutputArg {
     ArgFlagsTy Flags;
     MVT VT;
+    EVT ArgVT;
 
     /// IsFixed - Is this a "fixed" value, ie not passed through a vararg "...".
     bool IsFixed;
@@ -154,11 +182,12 @@ namespace ISD {
     unsigned PartOffset;
 
     OutputArg() : IsFixed(false) {}
-    OutputArg(ArgFlagsTy flags, EVT vt, bool isfixed,
+    OutputArg(ArgFlagsTy flags, EVT vt, EVT argvt, bool isfixed,
               unsigned origIdx, unsigned partOffs)
       : Flags(flags), IsFixed(isfixed), OrigArgIndex(origIdx),
         PartOffset(partOffs) {
       VT = vt.getSimpleVT();
+      ArgVT = argvt;
     }
   };
 }