[SelectionDAG] Remove default for 'unsigned' Alignment for getLoad/getStore/getExtLoa...

We want to remove the unsigned signatures eventually. This change
migrates any that don't explicitly pass an alignment.

diff --git a/llvm/include/llvm/CodeGen/SelectionDAG.h b/llvm/include/llvm/CodeGen/SelectionDAG.h
index 8db5249..b5b18f4 100644 (file)
--- a/llvm/include/llvm/CodeGen/SelectionDAG.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAG.h
@@ -1178,14 +1178,15 @@ public:
   /// This function will set the MOLoad flag on MMOFlags, but you can set it if
   /// you want.  The MOStore flag must not be set.
   SDValue getLoad(EVT VT, const SDLoc &dl, SDValue Chain, SDValue Ptr,
-                  MachinePointerInfo PtrInfo, MaybeAlign Alignment,
+                  MachinePointerInfo PtrInfo,
+                  MaybeAlign Alignment = MaybeAlign(),
                   MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
                   const AAMDNodes &AAInfo = AAMDNodes(),
                   const MDNode *Ranges = nullptr);
   /// FIXME: Remove once transition to Align is over.
   inline SDValue
   getLoad(EVT VT, const SDLoc &dl, SDValue Chain, SDValue Ptr,
-          MachinePointerInfo PtrInfo, unsigned Alignment = 0,
+          MachinePointerInfo PtrInfo, unsigned Alignment,
           MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
           const AAMDNodes &AAInfo = AAMDNodes(),
           const MDNode *Ranges = nullptr) {
@@ -1197,14 +1198,14 @@ public:
   SDValue
   getExtLoad(ISD::LoadExtType ExtType, const SDLoc &dl, EVT VT, SDValue Chain,
              SDValue Ptr, MachinePointerInfo PtrInfo, EVT MemVT,
-             MaybeAlign Alignment,
+             MaybeAlign Alignment = MaybeAlign(),
              MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
              const AAMDNodes &AAInfo = AAMDNodes());
   /// FIXME: Remove once transition to Align is over.
   inline SDValue
   getExtLoad(ISD::LoadExtType ExtType, const SDLoc &dl, EVT VT, SDValue Chain,
              SDValue Ptr, MachinePointerInfo PtrInfo, EVT MemVT,
-             unsigned Alignment = 0,
+             unsigned Alignment,
              MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
              const AAMDNodes &AAInfo = AAMDNodes()) {
     return getExtLoad(ExtType, dl, VT, Chain, Ptr, PtrInfo, MemVT,
@@ -1221,13 +1222,12 @@ public:
                   MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
                   const AAMDNodes &AAInfo = AAMDNodes(),
                   const MDNode *Ranges = nullptr);
-  inline SDValue
-  getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, EVT VT,
-          const SDLoc &dl, SDValue Chain, SDValue Ptr, SDValue Offset,
-          MachinePointerInfo PtrInfo, EVT MemVT, MaybeAlign Alignment,
-          MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
-          const AAMDNodes &AAInfo = AAMDNodes(),
-          const MDNode *Ranges = nullptr) {
+  inline SDValue getLoad(
+      ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, EVT VT, const SDLoc &dl,
+      SDValue Chain, SDValue Ptr, SDValue Offset, MachinePointerInfo PtrInfo,
+      EVT MemVT, MaybeAlign Alignment = MaybeAlign(),
+      MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
+      const AAMDNodes &AAInfo = AAMDNodes(), const MDNode *Ranges = nullptr) {
     // Ensures that codegen never sees a None Alignment.
     return getLoad(AM, ExtType, VT, dl, Chain, Ptr, Offset, PtrInfo, MemVT,
                    Alignment.getValueOr(getEVTAlign(MemVT)), MMOFlags, AAInfo,
@@ -1237,7 +1237,7 @@ public:
   inline SDValue
   getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, EVT VT,
           const SDLoc &dl, SDValue Chain, SDValue Ptr, SDValue Offset,
-          MachinePointerInfo PtrInfo, EVT MemVT, unsigned Alignment = 0,
+          MachinePointerInfo PtrInfo, EVT MemVT, unsigned Alignment,
           MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
           const AAMDNodes &AAInfo = AAMDNodes(),
           const MDNode *Ranges = nullptr) {
@@ -1260,7 +1260,7 @@ public:
            const AAMDNodes &AAInfo = AAMDNodes());
   inline SDValue
   getStore(SDValue Chain, const SDLoc &dl, SDValue Val, SDValue Ptr,
-           MachinePointerInfo PtrInfo, MaybeAlign Alignment,
+           MachinePointerInfo PtrInfo, MaybeAlign Alignment = MaybeAlign(),
            MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
            const AAMDNodes &AAInfo = AAMDNodes()) {
     return getStore(Chain, dl, Val, Ptr, PtrInfo,
@@ -1270,7 +1270,7 @@ public:
   /// FIXME: Remove once transition to Align is over.
   inline SDValue
   getStore(SDValue Chain, const SDLoc &dl, SDValue Val, SDValue Ptr,
-           MachinePointerInfo PtrInfo, unsigned Alignment = 0,
+           MachinePointerInfo PtrInfo, unsigned Alignment,
            MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
            const AAMDNodes &AAInfo = AAMDNodes()) {
     return getStore(Chain, dl, Val, Ptr, PtrInfo, MaybeAlign(Alignment),
@@ -1285,7 +1285,8 @@ public:
                 const AAMDNodes &AAInfo = AAMDNodes());
   inline SDValue
   getTruncStore(SDValue Chain, const SDLoc &dl, SDValue Val, SDValue Ptr,
-                MachinePointerInfo PtrInfo, EVT SVT, MaybeAlign Alignment,
+                MachinePointerInfo PtrInfo, EVT SVT,
+                MaybeAlign Alignment = MaybeAlign(),
                 MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
                 const AAMDNodes &AAInfo = AAMDNodes()) {
     return getTruncStore(Chain, dl, Val, Ptr, PtrInfo, SVT,
@@ -1295,7 +1296,7 @@ public:
   /// FIXME: Remove once transition to Align is over.
   inline SDValue
   getTruncStore(SDValue Chain, const SDLoc &dl, SDValue Val, SDValue Ptr,
-                MachinePointerInfo PtrInfo, EVT SVT, unsigned Alignment = 0,
+                MachinePointerInfo PtrInfo, EVT SVT, unsigned Alignment,
                 MachineMemOperand::Flags MMOFlags = MachineMemOperand::MONone,
                 const AAMDNodes &AAInfo = AAMDNodes()) {
     return getTruncStore(Chain, dl, Val, Ptr, PtrInfo, SVT,