[AMDGPU][NFC] Rename DotIUVOP3PMods to VOP3PModsNeg (#77785)

This is used to select the source modifier (neg) from the immediate
operand. After a follow up commit this will no longer be DOTIU specific.

Co-authored-by: Changpeng Fang <[email protected]>

Author: mbrkusanin

llvm/lib/Target/AMDGPU/AMDGPUGISel.td

@@ -51,9 +51,9 @@ def gi_vop3pmodsdot :
     GIComplexOperandMatcher<s32, "selectVOP3PModsDOT">,
     GIComplexPatternEquiv<VOP3PModsDOT>;
 
-def gi_dotiuvop3pmods :
-    GIComplexOperandMatcher<s32, "selectDotIUVOP3PMods">,
-    GIComplexPatternEquiv<DotIUVOP3PMods>;
+def gi_vop3pmodsneg :
+    GIComplexOperandMatcher<s32, "selectVOP3PModsNeg">,
+    GIComplexPatternEquiv<VOP3PModsNeg>;
 
 def gi_wmmaopselvop3pmods :
     GIComplexOperandMatcher<s32, "selectWMMAOpSelVOP3PMods">,

llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp

@@ -3009,7 +3009,7 @@ bool AMDGPUDAGToDAGISel::SelectVOP3PModsDOT(SDValue In, SDValue &Src,
   return SelectVOP3PMods(In, Src, SrcMods, true);
 }
 
-bool AMDGPUDAGToDAGISel::SelectDotIUVOP3PMods(SDValue In, SDValue &Src) const {
+bool AMDGPUDAGToDAGISel::SelectVOP3PModsNeg(SDValue In, SDValue &Src) const {
   const ConstantSDNode *C = cast<ConstantSDNode>(In);
   // Literal i1 value set in intrinsic, represents SrcMods for the next operand.
   // 1 promotes packed values to signed, 0 treats them as unsigned.

llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.h

@@ -237,7 +237,7 @@ class AMDGPUDAGToDAGISel : public SelectionDAGISel {
                        bool IsDOT = false) const;
   bool SelectVOP3PModsDOT(SDValue In, SDValue &Src, SDValue &SrcMods) const;
 
-  bool SelectDotIUVOP3PMods(SDValue In, SDValue &Src) const;
+  bool SelectVOP3PModsNeg(SDValue In, SDValue &Src) const;
   bool SelectWMMAOpSelVOP3PMods(SDValue In, SDValue &Src) const;
 
   bool SelectVOP3OpSel(SDValue In, SDValue &Src, SDValue &SrcMods) const;

llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp

@@ -3927,7 +3927,7 @@ AMDGPUInstructionSelector::selectVOP3PModsDOT(MachineOperand &Root) const {
 }
 
 InstructionSelector::ComplexRendererFns
-AMDGPUInstructionSelector::selectDotIUVOP3PMods(MachineOperand &Root) const {
+AMDGPUInstructionSelector::selectVOP3PModsNeg(MachineOperand &Root) const {
   // Literal i1 value set in intrinsic, represents SrcMods for the next operand.
   // Value is in Imm operand as i1 sign extended to int64_t.
   // 1(-1) promotes packed values to signed, 0 treats them as unsigned.

llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h

@@ -194,7 +194,7 @@ class AMDGPUInstructionSelector final : public InstructionSelector {
   selectVOP3PModsDOT(MachineOperand &Root) const;
 
   InstructionSelector::ComplexRendererFns
-  selectDotIUVOP3PMods(MachineOperand &Root) const;
+  selectVOP3PModsNeg(MachineOperand &Root) const;
 
   InstructionSelector::ComplexRendererFns
   selectWMMAOpSelVOP3PMods(MachineOperand &Root) const;

llvm/lib/Target/AMDGPU/SIInstrInfo.td

@@ -1360,7 +1360,7 @@ def VOP3OMods : ComplexPattern<untyped, 3, "SelectVOP3OMods">;
 def VOP3PMods  : ComplexPattern<untyped, 2, "SelectVOP3PMods">;
 
 def VOP3PModsDOT  : ComplexPattern<untyped, 2, "SelectVOP3PModsDOT">;
-def DotIUVOP3PMods  : ComplexPattern<untyped, 1, "SelectDotIUVOP3PMods">;
+def VOP3PModsNeg  : ComplexPattern<untyped, 1, "SelectVOP3PModsNeg">;
 def WMMAOpSelVOP3PMods  : ComplexPattern<untyped, 1, "SelectWMMAOpSelVOP3PMods">;
 
 def VOP3OpSel  : ComplexPattern<untyped, 2, "SelectVOP3OpSel">;

llvm/lib/Target/AMDGPU/VOP3PInstructions.td

@@ -415,8 +415,8 @@ multiclass VOP3PDOTIUInst <string OpName, SDPatternOperator intrinsic_node> {
                         null_frag, 1>;
   // Dot-iu instructions consider input as signed if imod neg bits are set. Thus
   // Dot-iu Intrinsics have extra operands and require separate codegen pattern.
-  def : GCNPat < (intrinsic_node (DotIUVOP3PMods i32:$src0_mods), i32:$src0,
-                                 (DotIUVOP3PMods i32:$src1_mods), i32:$src1,
+  def : GCNPat < (intrinsic_node (VOP3PModsNeg i32:$src0_mods), i32:$src0,
+                                 (VOP3PModsNeg i32:$src1_mods), i32:$src1,
                                  i32:$src2, (i1 timm:$clamp)),
                  (!cast<Instruction>(NAME) $src0_mods, i32:$src0,
                                            $src1_mods, i32:$src1,
@@ -828,8 +828,8 @@ class WMMAOpSelPat<Instruction Inst, SDPatternOperator node, VOPProfile P> :
 
 class WMMAUIClampPat<Instruction Inst, SDPatternOperator node, VOPProfile P> :
   GCNPat < (P.DstVT (node
-                                (DotIUVOP3PMods i32:$src0_modifiers), (P.Src0VT P.Src0VT:$src0),
-                                (DotIUVOP3PMods i32:$src1_modifiers), (P.Src1VT P.Src1VT:$src1),
+                                (VOP3PModsNeg i32:$src0_modifiers), (P.Src0VT P.Src0VT:$src0),
+                                (VOP3PModsNeg i32:$src1_modifiers), (P.Src1VT P.Src1VT:$src1),
                                 (P.Src2VT P.Src2VT:$src2), (i1 timm:$clamp)
                    )),
                    (P.DstVT (Inst i32:$src0_modifiers, P.Src0VT:$src0, i32:$src1_modifiers, P.Src1VT:$src1, (i32 8), P.Src2VT:$src2, i1:$clamp))