CodeGen: convert CCState interface to using ArrayRefs

[oota-llvm.git] / include / llvm / CodeGen / CallingConvLower.h

diff --git a/include/llvm/CodeGen/CallingConvLower.h b/include/llvm/CodeGen/CallingConvLower.h
index dd7703b1dbf7501e1def0d78d64f3cdea8e7566e..c60eba2bd2a69d4633ee2d53cfcd29724cc9859d 100644 (file)
--- a/include/llvm/CodeGen/CallingConvLower.h
+++ b/include/llvm/CodeGen/CallingConvLower.h
@@ -312,13 +312,13 @@ public:
   /// produce a single value.
   void AnalyzeCallResult(MVT VT, CCAssignFn Fn);
 
-  /// getFirstUnallocated - Return the first unallocated register in the set, or
-  /// NumRegs if they are all allocated.
-  unsigned getFirstUnallocated(const MCPhysReg *Regs, unsigned NumRegs) const {
-    for (unsigned i = 0; i != NumRegs; ++i)
+  /// getFirstUnallocated - Return the index of the first unallocated register
+  /// in the set, or Regs.size() if they are all allocated.
+  unsigned getFirstUnallocated(ArrayRef<MCPhysReg> Regs) const {
+    for (unsigned i = 0; i < Regs.size(); ++i)
       if (!isAllocated(Regs[i]))
         return i;
-    return NumRegs;
+    return Regs.size();
   }
 
   /// AllocateReg - Attempt to allocate one register.  If it is not available,
@@ -341,9 +341,9 @@ public:
   /// AllocateReg - Attempt to allocate one of the specified registers.  If none
   /// are available, return zero.  Otherwise, return the first one available,
   /// marking it and any aliases as allocated.
-  unsigned AllocateReg(const MCPhysReg *Regs, unsigned NumRegs) {
-    unsigned FirstUnalloc = getFirstUnallocated(Regs, NumRegs);
-    if (FirstUnalloc == NumRegs)
+  unsigned AllocateReg(ArrayRef<MCPhysReg> Regs) {
+    unsigned FirstUnalloc = getFirstUnallocated(Regs);
+    if (FirstUnalloc == Regs.size())
       return 0;    // Didn't find the reg.
 
     // Mark the register and any aliases as allocated.
@@ -382,10 +382,9 @@ public:
   }
 
   /// Version of AllocateReg with list of registers to be shadowed.
-  unsigned AllocateReg(const MCPhysReg *Regs, const MCPhysReg *ShadowRegs,
-                       unsigned NumRegs) {
-    unsigned FirstUnalloc = getFirstUnallocated(Regs, NumRegs);
-    if (FirstUnalloc == NumRegs)
+  unsigned AllocateReg(ArrayRef<MCPhysReg> Regs, const MCPhysReg *ShadowRegs) {
+    unsigned FirstUnalloc = getFirstUnallocated(Regs);
+    if (FirstUnalloc == Regs.size())
       return 0;    // Didn't find the reg.
 
     // Mark the register and any aliases as allocated.
@@ -415,8 +414,8 @@ public:
   /// Version of AllocateStack with list of extra registers to be shadowed.
   /// Note that, unlike AllocateReg, this shadows ALL of the shadow registers.
   unsigned AllocateStack(unsigned Size, unsigned Align,
-                         const MCPhysReg *ShadowRegs, unsigned NumShadowRegs) {
-    for (unsigned i = 0; i < NumShadowRegs; ++i)
+                         ArrayRef<MCPhysReg> ShadowRegs) {
+    for (unsigned i = 0; i < ShadowRegs.size(); ++i)
       MarkAllocated(ShadowRegs[i]);
     return AllocateStack(Size, Align);
   }