Revert "r223440 - Consider subregs when calling MI::registerDefIsDead for phys deps"

[oota-llvm.git] / lib / CodeGen / CallingConvLower.cpp

diff --git a/lib/CodeGen/CallingConvLower.cpp b/lib/CodeGen/CallingConvLower.cpp
index f1d4ace922733b6188da84d3355051f253f26358..56ecde0936c04b5af64b2462b19d6429ca55d01a 100644 (file)
--- a/lib/CodeGen/CallingConvLower.cpp
+++ b/lib/CodeGen/CallingConvLower.cpp
@@ -19,20 +19,19 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 using namespace llvm;
 
 CCState::CCState(CallingConv::ID CC, bool isVarArg, MachineFunction &mf,
-                 const TargetMachine &tm, SmallVector<CCValAssign, 16> &locs,
-                 LLVMContext &C)
-  : CallingConv(CC), IsVarArg(isVarArg), MF(mf), TM(tm),
-    TRI(*TM.getRegisterInfo()), Locs(locs), Context(C),
-    CallOrPrologue(Unknown) {
+                 SmallVectorImpl<CCValAssign> &locs, LLVMContext &C)
+    : CallingConv(CC), IsVarArg(isVarArg), MF(mf),
+      TRI(*MF.getSubtarget().getRegisterInfo()), Locs(locs), Context(C),
+      CallOrPrologue(Unknown) {
   // No stack is used.
   StackOffset = 0;
 
-  clearFirstByValReg();
+  clearByValRegsInfo();
   UsedRegs.resize((TRI.getNumRegs()+31)/32);
 }
 
@@ -50,7 +49,8 @@ void CCState::HandleByVal(unsigned ValNo, MVT ValVT,
   if (MinAlign > (int)Align)
     Align = MinAlign;
   MF.getFrameInfo()->ensureMaxAlignment(Align);
-  TM.getTargetLowering()->HandleByVal(this, Size, Align);
+  MF.getSubtarget().getTargetLowering()->HandleByVal(this, Size, Align);
+  Size = unsigned(RoundUpToAlignment(Size, MinAlign));
   unsigned Offset = AllocateStack(Size, Align);
   addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo));
 }
@@ -76,7 +76,7 @@ CCState::AnalyzeFormalArguments(const SmallVectorImpl<ISD::InputArg> &Ins,
       dbgs() << "Formal argument #" << i << " has unhandled type "
              << EVT(ArgVT).getEVTString() << '\n';
 #endif
-      llvm_unreachable(0);
+      llvm_unreachable(nullptr);
     }
   }
 }
@@ -108,7 +108,7 @@ void CCState::AnalyzeReturn(const SmallVectorImpl<ISD::OutputArg> &Outs,
       dbgs() << "Return operand #" << i << " has unhandled type "
              << EVT(VT).getEVTString() << '\n';
 #endif
-      llvm_unreachable(0);
+      llvm_unreachable(nullptr);
     }
   }
 }
@@ -126,7 +126,7 @@ void CCState::AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs,
       dbgs() << "Call operand #" << i << " has unhandled type "
              << EVT(ArgVT).getEVTString() << '\n';
 #endif
-      llvm_unreachable(0);
+      llvm_unreachable(nullptr);
     }
   }
 }
@@ -145,7 +145,7 @@ void CCState::AnalyzeCallOperands(SmallVectorImpl<MVT> &ArgVTs,
       dbgs() << "Call operand #" << i << " has unhandled type "
              << EVT(ArgVT).getEVTString() << '\n';
 #endif
-      llvm_unreachable(0);
+      llvm_unreachable(nullptr);
     }
   }
 }
@@ -162,7 +162,7 @@ void CCState::AnalyzeCallResult(const SmallVectorImpl<ISD::InputArg> &Ins,
       dbgs() << "Call result #" << i << " has unhandled type "
              << EVT(VT).getEVTString() << '\n';
 #endif
-      llvm_unreachable(0);
+      llvm_unreachable(nullptr);
     }
   }
 }
@@ -175,6 +175,6 @@ void CCState::AnalyzeCallResult(MVT VT, CCAssignFn Fn) {
     dbgs() << "Call result has unhandled type "
            << EVT(VT).getEVTString() << '\n';
 #endif
-    llvm_unreachable(0);
+    llvm_unreachable(nullptr);
   }
 }