[stackmaps] More extraction of common code [NFCI]

General cleanup before starting to work on the part I want to actually change.

llvm-svn: 279586

1 files changed, 5 insertions, 6 deletions

diff --git a/llvm/lib/CodeGen/StackMaps.cpp b/llvm/lib/CodeGen/StackMaps.cpp
index 9e6df468341..c7f45fff29e 100644
--- a/llvm/lib/CodeGen/StackMaps.cpp
+++ b/llvm/lib/CodeGen/StackMaps.cpp
@@ -35,7 +35,8 @@ static cl::opt<int> StackMapVersion(
 
 const char *StackMaps::WSMP = "Stack Maps: ";
 
-StackMapOpers::StackMapOpers(const MachineInstr *MI) {
+StackMapOpers::StackMapOpers(const MachineInstr *MI)
+  : MI(MI) {
   assert(getVarIdx() <= MI->getNumOperands() &&
          "invalid stackmap definition");
 }
@@ -43,8 +44,7 @@ StackMapOpers::StackMapOpers(const MachineInstr *MI) {
 PatchPointOpers::PatchPointOpers(const MachineInstr *MI)
     : MI(MI), HasDef(MI->getOperand(0).isReg() && MI->getOperand(0).isDef() &&
                      !MI->getOperand(0).isImplicit()),
-      IsAnyReg(MI->getOperand(getMetaIdx(CCPos)).getImm() ==
-               CallingConv::AnyReg) {
+      IsAnyReg(getCallingConv() == CallingConv::AnyReg) {
 #ifndef NDEBUG
   unsigned CheckStartIdx = 0, e = MI->getNumOperands();
   while (CheckStartIdx < e && MI->getOperand(CheckStartIdx).isReg() &&
@@ -358,8 +358,7 @@ void StackMaps::recordPatchPoint(const MachineInstr &MI) {
   assert(MI.getOpcode() == TargetOpcode::PATCHPOINT && "expected patchpoint");
 
   PatchPointOpers opers(&MI);
-  const int64_t ID = opers.getMetaOper(PatchPointOpers::IDPos).getImm();
-
+  const int64_t ID = opers.getID();
   auto MOI = std::next(MI.operands_begin(), opers.getStackMapStartIdx());
   recordStackMapOpers(MI, ID, MOI, MI.operands_end(),
                       opers.isAnyReg() && opers.hasDef());
@@ -368,7 +367,7 @@ void StackMaps::recordPatchPoint(const MachineInstr &MI) {
   // verify anyregcc
   auto &Locations = CSInfos.back().Locations;
   if (opers.isAnyReg()) {
-    unsigned NArgs = opers.getMetaOper(PatchPointOpers::NArgPos).getImm();
+    unsigned NArgs = opers.getNumCallArgs();
     for (unsigned i = 0, e = (opers.hasDef() ? NArgs + 1 : NArgs); i != e; ++i)
       assert(Locations[i].Type == Location::Register &&
              "anyreg arg must be in reg.");