[PowerPC] Remove custom original type tracking (NFCI) (#154090)

The OrigTy is passed to CC lowering nowadays, so use it directly instead
of custom pre-analysis.

Author: nikic

llvm/lib/Target/PowerPC/CMakeLists.txt

@@ -25,7 +25,6 @@ add_llvm_target(PowerPCCodeGen
   PPCBranchSelector.cpp
   PPCBranchCoalescing.cpp
   PPCCallingConv.cpp
-  PPCCCState.cpp
   PPCCTRLoops.cpp
   PPCCTRLoopsVerify.cpp
   PPCExpandAtomicPseudoInsts.cpp

llvm/lib/Target/PowerPC/PPCCCState.cpp

@@ -8,7 +8,6 @@
 
 #include "PPCCallingConv.h"
 #include "PPCSubtarget.h"
-#include "PPCCCState.h"
 using namespace llvm;
 
 inline bool CC_PPC_AnyReg_Error(unsigned &, MVT &, MVT &,

llvm/lib/Target/PowerPC/PPCCCState.h

@@ -21,11 +21,9 @@ class CCIfNotSubtarget<string F, CCAction A>
                      F),
           A>;
 class CCIfOrigArgWasNotPPCF128<CCAction A>
-    : CCIf<"!static_cast<PPCCCState *>(&State)->WasOriginalArgPPCF128(ValNo)",
-           A>;
+    : CCIf<"!OrigTy->isPPC_FP128Ty()", A>;
 class CCIfOrigArgWasPPCF128<CCAction A>
-    : CCIf<"static_cast<PPCCCState *>(&State)->WasOriginalArgPPCF128(ValNo)",
-           A>;
+    : CCIf<"OrigTy->isPPC_FP128Ty()", A>;
 
 //===----------------------------------------------------------------------===//
 // Return Value Calling Convention

llvm/lib/Target/PowerPC/PPCCallingConv.cpp

@@ -14,7 +14,6 @@
 #include "MCTargetDesc/PPCMCTargetDesc.h"
 #include "MCTargetDesc/PPCPredicates.h"
 #include "PPC.h"
-#include "PPCCCState.h"
 #include "PPCCallingConv.h"
 #include "PPCFrameLowering.h"
 #include "PPCInstrInfo.h"
@@ -4330,17 +4329,13 @@ SDValue PPCTargetLowering::LowerFormalArguments_32SVR4(
 
   // Assign locations to all of the incoming arguments.
   SmallVector<CCValAssign, 16> ArgLocs;
-  PPCCCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(), ArgLocs,
+  CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(), ArgLocs,
                  *DAG.getContext());
 
   // Reserve space for the linkage area on the stack.
   unsigned LinkageSize = Subtarget.getFrameLowering()->getLinkageSize();
   CCInfo.AllocateStack(LinkageSize, PtrAlign);
-  if (useSoftFloat())
-    CCInfo.PreAnalyzeFormalArguments(Ins);
-
   CCInfo.AnalyzeFormalArguments(Ins, CC_PPC32_SVR4);
-  CCInfo.clearWasPPCF128();
 
   for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
     CCValAssign &VA = ArgLocs[i];
@@ -6062,13 +6057,11 @@ SDValue PPCTargetLowering::LowerCall_32SVR4(
 
   // Assign locations to all of the outgoing arguments.
   SmallVector<CCValAssign, 16> ArgLocs;
-  PPCCCState CCInfo(CallConv, IsVarArg, MF, ArgLocs, *DAG.getContext());
+  CCState CCInfo(CallConv, IsVarArg, MF, ArgLocs, *DAG.getContext());
 
   // Reserve space for the linkage area on the stack.
   CCInfo.AllocateStack(Subtarget.getFrameLowering()->getLinkageSize(),
                        PtrAlign);
-  if (useSoftFloat())
-    CCInfo.PreAnalyzeCallOperands(Outs);
 
   if (IsVarArg) {
     // Handle fixed and variable vector arguments differently.
@@ -6101,7 +6094,6 @@ SDValue PPCTargetLowering::LowerCall_32SVR4(
     // All arguments are treated the same.
     CCInfo.AnalyzeCallOperands(Outs, CC_PPC32_SVR4);
   }
-  CCInfo.clearWasPPCF128();
 
   // Assign locations to all of the outgoing aggregate by value arguments.
   SmallVector<CCValAssign, 16> ByValArgLocs;