Delete a dead function (NFC)

Change-Id: Ib5bec16e349ccb300a5c120e022e8075e304a8b3

Author: weiyu-chen

visa/HWConformity.cpp

@@ -4739,39 +4739,6 @@ bool HWConformity::convertMAD2MAC(INST_LIST_ITER iter, std::vector<G4_INST*>& ma
     return false;
 }
 
-void HWConformity::convertComprInstSrcRegion(G4_INST* inst)
-{
-    for (int k = 0; k < 2; k++)
-    {
-        G4_Operand* src = inst->getSrc(k);
-
-        if (!src || src->isImm() || (inst->isMath() && k == 1 && src->isNullReg()))
-        {
-            continue;
-        }
-
-        if (!src->isSrcRegRegion()) {
-            continue;
-        }
-
-        int w = src->asSrcRegRegion()->getRegion()->width;
-        int hs = src->asSrcRegRegion()->getRegion()->horzStride;
-        int vs = src->asSrcRegRegion()->getRegion()->vertStride;
-
-        if (w == 1 && hs == 0 && vs == 0)
-        {
-            continue;
-        }
-
-        if (inst->getExecSize() < w)
-        {
-            const RegionDesc* rd =
-                builder.createRegionDesc((uint16_t)(vs / 2), (uint16_t)(w / 2), (uint16_t)(hs / 2));
-            src->asSrcRegRegion()->setRegion(rd);
-        }
-    }
-}
-
 // replace src/dst with ACC
 void HWConformity::addACCOpnd(
     G4_INST* curInst, bool needACCSrc, int dstStride, G4_Type accTy)

visa/HWConformity.h

@@ -130,7 +130,6 @@ namespace vISA
         void convertMAD2MulAdd(INST_LIST_ITER iter, G4_BB *bb);
         G4_Type getAccType(G4_Type ty);
         bool findHoistLocation(INST_LIST_ITER start, INST_LIST_ITER &end, uint16_t &movDist, G4_INST *boundary);
-        void convertComprInstSrcRegion(G4_INST *inst);
         void addACCOpnd(G4_INST *inst, bool needACCSrc, int stride, G4_Type accTy);
         void maintainDU4TempMov(G4_INST *inst, G4_INST *movInst);
         void fixImm64(INST_LIST_ITER i, G4_BB* bb);