[RISCV] Remove some unnecessary hasSideEffects = 0 and sink some to their base class. NFC (#131044)

Some of these were already present in their base class and therefore
redundant. Others were missing from their base classes. Maybe leftover
from when VXRM was modeled with side effects?

Author: topperc

llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td

@@ -1238,6 +1238,7 @@ class VPseudoBinaryNoMaskRoundingMode<VReg RetClass,
       RISCVVPseudo {
   let mayLoad = 0;
   let mayStore = 0;
+  let hasSideEffects = 0;
   let Constraints = !interleave([Constraint, "$rd = $passthru"], ",");
   let TargetOverlapConstraintType = TargetConstraintType;
   let HasVLOp = 1;
@@ -1262,6 +1263,7 @@ class VPseudoBinaryMaskPolicyRoundingMode<VReg RetClass,
       RISCVVPseudo {
   let mayLoad = 0;
   let mayStore = 0;
+  let hasSideEffects = 0;
   let Constraints = !interleave([Constraint, "$rd = $passthru"], ",");
   let TargetOverlapConstraintType = TargetConstraintType;
   let HasVLOp = 1;
@@ -6405,7 +6407,7 @@ defm PseudoVFRSUB : VPseudoVALU_VF_RM;
 //===----------------------------------------------------------------------===//
 // 13.3. Vector Widening Floating-Point Add/Subtract Instructions
 //===----------------------------------------------------------------------===//
-let mayRaiseFPException = true, hasSideEffects = 0 in {
+let mayRaiseFPException = true in {
 defm PseudoVFWADD : VPseudoVFWALU_VV_VF_RM;
 defm PseudoVFWSUB : VPseudoVFWALU_VV_VF_RM;
 defm PseudoVFWADD : VPseudoVFWALU_WV_WF_RM;
@@ -6415,7 +6417,7 @@ defm PseudoVFWSUB : VPseudoVFWALU_WV_WF_RM;
 //===----------------------------------------------------------------------===//
 // 13.4. Vector Single-Width Floating-Point Multiply/Divide Instructions
 //===----------------------------------------------------------------------===//
-let mayRaiseFPException = true, hasSideEffects = 0 in {
+let mayRaiseFPException = true in {
 defm PseudoVFMUL  : VPseudoVFMUL_VV_VF_RM;
 defm PseudoVFDIV  : VPseudoVFDIV_VV_VF_RM;
 defm PseudoVFRDIV : VPseudoVFRDIV_VF_RM;
@@ -6424,14 +6426,14 @@ defm PseudoVFRDIV : VPseudoVFRDIV_VF_RM;
 //===----------------------------------------------------------------------===//
 // 13.5. Vector Widening Floating-Point Multiply
 //===----------------------------------------------------------------------===//
-let mayRaiseFPException = true, hasSideEffects = 0 in {
+let mayRaiseFPException = true in {
 defm PseudoVFWMUL : VPseudoVWMUL_VV_VF_RM;
 }
 
 //===----------------------------------------------------------------------===//
 // 13.6. Vector Single-Width Floating-Point Fused Multiply-Add Instructions
 //===----------------------------------------------------------------------===//
-let mayRaiseFPException = true, hasSideEffects = 0 in {
+let mayRaiseFPException = true in {
 defm PseudoVFMACC  : VPseudoVMAC_VV_VF_AAXA_RM;
 defm PseudoVFNMACC : VPseudoVMAC_VV_VF_AAXA_RM;
 defm PseudoVFMSAC  : VPseudoVMAC_VV_VF_AAXA_RM;
@@ -6445,7 +6447,7 @@ defm PseudoVFNMSUB : VPseudoVMAC_VV_VF_AAXA_RM;
 //===----------------------------------------------------------------------===//
 // 13.7. Vector Widening Floating-Point Fused Multiply-Add Instructions
 //===----------------------------------------------------------------------===//
-let mayRaiseFPException = true, hasSideEffects = 0 in {
+let mayRaiseFPException = true in {
 defm PseudoVFWMACC  : VPseudoVWMAC_VV_VF_RM;
 defm PseudoVFWNMACC : VPseudoVWMAC_VV_VF_RM;
 defm PseudoVFWMSAC  : VPseudoVWMAC_VV_VF_RM;
@@ -6457,7 +6459,7 @@ defm PseudoVFWMACCBF16  : VPseudoVWMAC_VV_VF_BF_RM;
 //===----------------------------------------------------------------------===//
 // 13.8. Vector Floating-Point Square-Root Instruction
 //===----------------------------------------------------------------------===//
-let mayRaiseFPException = true, hasSideEffects = 0 in
+let mayRaiseFPException = true in
 defm PseudoVFSQRT : VPseudoVSQR_V_RM;
 
 //===----------------------------------------------------------------------===//
@@ -6469,7 +6471,7 @@ defm PseudoVFRSQRT7 : VPseudoVRCP_V;
 //===----------------------------------------------------------------------===//
 // 13.10. Vector Floating-Point Reciprocal Estimate Instruction
 //===----------------------------------------------------------------------===//
-let mayRaiseFPException = true, hasSideEffects = 0 in
+let mayRaiseFPException = true in
 defm PseudoVFREC7 : VPseudoVRCP_V_RM;
 
 //===----------------------------------------------------------------------===//
@@ -6519,29 +6521,23 @@ defm PseudoVFMV_V : VPseudoVMV_F;
 // 13.17. Single-Width Floating-Point/Integer Type-Convert Instructions
 //===----------------------------------------------------------------------===//
 let mayRaiseFPException = true in {
-let hasSideEffects = 0 in {
 defm PseudoVFCVT_XU_F : VPseudoVCVTI_V_RM;
 defm PseudoVFCVT_X_F : VPseudoVCVTI_V_RM;
-}
 
 defm PseudoVFCVT_RTZ_XU_F : VPseudoVCVTI_V;
 defm PseudoVFCVT_RTZ_X_F : VPseudoVCVTI_V;
 
 defm PseudoVFROUND_NOEXCEPT : VPseudoVFROUND_NOEXCEPT_V;
-let hasSideEffects = 0 in {
 defm PseudoVFCVT_F_XU : VPseudoVCVTF_V_RM;
 defm PseudoVFCVT_F_X : VPseudoVCVTF_V_RM;
-}
 } // mayRaiseFPException = true
 
 //===----------------------------------------------------------------------===//
 // 13.18. Widening Floating-Point/Integer Type-Convert Instructions
 //===----------------------------------------------------------------------===//
 let mayRaiseFPException = true in {
-let hasSideEffects = 0 in {
 defm PseudoVFWCVT_XU_F     : VPseudoVWCVTI_V_RM;
 defm PseudoVFWCVT_X_F      : VPseudoVWCVTI_V_RM;
-}
 
 defm PseudoVFWCVT_RTZ_XU_F : VPseudoVWCVTI_V;
 defm PseudoVFWCVT_RTZ_X_F  : VPseudoVWCVTI_V;
@@ -6557,23 +6553,17 @@ defm PseudoVFWCVTBF16_F_F :  VPseudoVWCVTD_V;
 // 13.19. Narrowing Floating-Point/Integer Type-Convert Instructions
 //===----------------------------------------------------------------------===//
 let mayRaiseFPException = true in {
-let hasSideEffects = 0 in {
 defm PseudoVFNCVT_XU_F     : VPseudoVNCVTI_W_RM;
 defm PseudoVFNCVT_X_F      : VPseudoVNCVTI_W_RM;
-}
 
 defm PseudoVFNCVT_RTZ_XU_F : VPseudoVNCVTI_W;
 defm PseudoVFNCVT_RTZ_X_F  : VPseudoVNCVTI_W;
 
-let hasSideEffects = 0 in {
 defm PseudoVFNCVT_F_XU     : VPseudoVNCVTF_W_RM;
 defm PseudoVFNCVT_F_X      : VPseudoVNCVTF_W_RM;
-}
 
-let hasSideEffects = 0 in {
 defm PseudoVFNCVT_F_F      : VPseudoVNCVTD_W_RM;
 defm PseudoVFNCVTBF16_F_F :  VPseudoVNCVTD_W_RM;
-}
 
 defm PseudoVFNCVT_ROD_F_F  : VPseudoVNCVTD_W;
 } // mayRaiseFPException = true
@@ -6609,19 +6599,17 @@ let Predicates = [HasVInstructionsAnyF] in {
 //===----------------------------------------------------------------------===//
 // 14.3. Vector Single-Width Floating-Point Reduction Instructions
 //===----------------------------------------------------------------------===//
-let mayRaiseFPException = true, hasSideEffects = 0 in {
+let mayRaiseFPException = true in {
 defm PseudoVFREDOSUM : VPseudoVFREDO_VS_RM;
 defm PseudoVFREDUSUM : VPseudoVFRED_VS_RM;
-}
-let mayRaiseFPException = true in {
 defm PseudoVFREDMIN  : VPseudoVFREDMINMAX_VS;
 defm PseudoVFREDMAX  : VPseudoVFREDMINMAX_VS;
 }
 
 //===----------------------------------------------------------------------===//
 // 14.4. Vector Widening Floating-Point Reduction Instructions
 //===----------------------------------------------------------------------===//
-let IsRVVWideningReduction = 1, hasSideEffects = 0, mayRaiseFPException = true in {
+let IsRVVWideningReduction = 1, mayRaiseFPException = true in {
 defm PseudoVFWREDUSUM  : VPseudoVFWRED_VS_RM;
 defm PseudoVFWREDOSUM  : VPseudoVFWREDO_VS_RM;
 }