[llvm] r234058 - [opaque pointer type] More GEP IRBuilder API migrations...

David Blaikie dblaikie at gmail.com
Fri Apr 3 14:33:43 PDT 2015


Author: dblaikie
Date: Fri Apr  3 16:33:42 2015
New Revision: 234058

URL: http://llvm.org/viewvc/llvm-project?rev=234058&view=rev
Log:
[opaque pointer type] More GEP IRBuilder API migrations...

Modified:
    llvm/trunk/include/llvm/IR/IRBuilder.h
    llvm/trunk/lib/CodeGen/CodeGenPrepare.cpp
    llvm/trunk/lib/IR/Core.cpp
    llvm/trunk/lib/IR/IRBuilder.cpp
    llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp
    llvm/trunk/lib/Target/XCore/XCoreLowerThreadLocal.cpp
    llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp
    llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp
    llvm/trunk/lib/Transforms/Scalar/SROA.cpp
    llvm/trunk/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp
    llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp
    llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp

Modified: llvm/trunk/include/llvm/IR/IRBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/IRBuilder.h?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/IRBuilder.h (original)
+++ llvm/trunk/include/llvm/IR/IRBuilder.h Fri Apr  3 16:33:42 2015
@@ -21,6 +21,7 @@
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/ConstantFolder.h"
 #include "llvm/IR/DataLayout.h"
+#include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Operator.h"
@@ -243,7 +244,7 @@ public:
   /// filled in with the null terminated string value specified.  The new global
   /// variable will be marked mergable with any others of the same contents.  If
   /// Name is specified, it is the name of the global variable created.
-  Value *CreateGlobalString(StringRef Str, const Twine &Name = "");
+  GlobalVariable *CreateGlobalString(StringRef Str, const Twine &Name = "");
 
   /// \brief Get a constant value representing either true or false.
   ConstantInt *getInt1(bool V) {
@@ -1034,6 +1035,10 @@ public:
   }
   Value *CreateInBoundsGEP(Value *Ptr, ArrayRef<Value *> IdxList,
                            const Twine &Name = "") {
+    return CreateInBoundsGEP(nullptr, Ptr, IdxList, Name);
+  }
+  Value *CreateInBoundsGEP(Type *Ty, Value *Ptr, ArrayRef<Value *> IdxList,
+                           const Twine &Name = "") {
     if (Constant *PC = dyn_cast<Constant>(Ptr)) {
       // Every index must be constant.
       size_t i, e;
@@ -1041,10 +1046,10 @@ public:
         if (!isa<Constant>(IdxList[i]))
           break;
       if (i == e)
-        return Insert(Folder.CreateInBoundsGetElementPtr(nullptr, PC, IdxList),
+        return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, IdxList),
                       Name);
     }
-    return Insert(GetElementPtrInst::CreateInBounds(nullptr, Ptr, IdxList), Name);
+    return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, IdxList), Name);
   }
   Value *CreateGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
     return CreateGEP(nullptr, Ptr, Idx, Name);
@@ -1153,10 +1158,10 @@ public:
   /// \brief Same as CreateGlobalString, but return a pointer with "i8*" type
   /// instead of a pointer to array of i8.
   Value *CreateGlobalStringPtr(StringRef Str, const Twine &Name = "") {
-    Value *gv = CreateGlobalString(Str, Name);
+    GlobalVariable *gv = CreateGlobalString(Str, Name);
     Value *zero = ConstantInt::get(Type::getInt32Ty(Context), 0);
     Value *Args[] = { zero, zero };
-    return CreateInBoundsGEP(gv, Args, Name);
+    return CreateInBoundsGEP(gv->getValueType(), gv, Args, Name);
   }
 
   //===--------------------------------------------------------------------===//

Modified: llvm/trunk/lib/CodeGen/CodeGenPrepare.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/CodeGenPrepare.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/CodeGenPrepare.cpp (original)
+++ llvm/trunk/lib/CodeGen/CodeGenPrepare.cpp Fri Apr  3 16:33:42 2015
@@ -1081,8 +1081,9 @@ static void ScalarizeMaskedLoad(CallInst
     //
     CondBlock = IfBlock->splitBasicBlock(InsertPt, "cond.load");
     Builder.SetInsertPoint(InsertPt);
-    
-    Value* Gep = Builder.CreateInBoundsGEP(FirstEltPtr, Builder.getInt32(Idx));
+
+    Value *Gep =
+        Builder.CreateInBoundsGEP(EltTy, FirstEltPtr, Builder.getInt32(Idx));
     LoadInst* Load = Builder.CreateLoad(Gep, false);
     VResult = Builder.CreateInsertElement(VResult, Load, Builder.getInt32(Idx));
 
@@ -1176,7 +1177,8 @@ static void ScalarizeMaskedStore(CallIns
     Builder.SetInsertPoint(InsertPt);
     
     Value *OneElt = Builder.CreateExtractElement(Src, Builder.getInt32(Idx));
-    Value* Gep = Builder.CreateInBoundsGEP(FirstEltPtr, Builder.getInt32(Idx));
+    Value *Gep =
+        Builder.CreateInBoundsGEP(EltTy, FirstEltPtr, Builder.getInt32(Idx));
     Builder.CreateStore(OneElt, Gep);
 
     // Create "else" block, fill it in the next iteration

Modified: llvm/trunk/lib/IR/Core.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Core.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Core.cpp (original)
+++ llvm/trunk/lib/IR/Core.cpp Fri Apr  3 16:33:42 2015
@@ -2512,7 +2512,8 @@ LLVMValueRef LLVMBuildInBoundsGEP(LLVMBu
                                   LLVMValueRef *Indices, unsigned NumIndices,
                                   const char *Name) {
   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
-  return wrap(unwrap(B)->CreateInBoundsGEP(unwrap(Pointer), IdxList, Name));
+  return wrap(
+      unwrap(B)->CreateInBoundsGEP(nullptr, unwrap(Pointer), IdxList, Name));
 }
 
 LLVMValueRef LLVMBuildStructGEP(LLVMBuilderRef B, LLVMValueRef Pointer,

Modified: llvm/trunk/lib/IR/IRBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/IRBuilder.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/IR/IRBuilder.cpp (original)
+++ llvm/trunk/lib/IR/IRBuilder.cpp Fri Apr  3 16:33:42 2015
@@ -23,7 +23,8 @@ using namespace llvm;
 /// has array of i8 type filled in with the nul terminated string value
 /// specified.  If Name is specified, it is the name of the global variable
 /// created.
-Value *IRBuilderBase::CreateGlobalString(StringRef Str, const Twine &Name) {
+GlobalVariable *IRBuilderBase::CreateGlobalString(StringRef Str,
+                                                  const Twine &Name) {
   Constant *StrConstant = ConstantDataArray::getString(Context, Str);
   Module &M = *BB->getParent()->getParent();
   GlobalVariable *GV = new GlobalVariable(M, StrConstant->getType(),

Modified: llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXGenericToNVVM.cpp Fri Apr  3 16:33:42 2015
@@ -347,6 +347,7 @@ Value *GenericToNVVM::remapConstantExpr(
                      NewOperands[0],
                      makeArrayRef(&NewOperands[1], NumOperands - 1))
                : Builder.CreateInBoundsGEP(
+                     cast<GEPOperator>(C)->getSourceElementType(),
                      NewOperands[0],
                      makeArrayRef(&NewOperands[1], NumOperands - 1));
   case Instruction::Select:

Modified: llvm/trunk/lib/Target/XCore/XCoreLowerThreadLocal.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/XCore/XCoreLowerThreadLocal.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/Target/XCore/XCoreLowerThreadLocal.cpp (original)
+++ llvm/trunk/lib/Target/XCore/XCoreLowerThreadLocal.cpp Fri Apr  3 16:33:42 2015
@@ -82,8 +82,9 @@ createReplacementInstr(ConstantExpr *CE,
     case Instruction::GetElementPtr: {
       SmallVector<Value *,4> CEOpVec(CE->op_begin(), CE->op_end());
       ArrayRef<Value *> CEOps(CEOpVec);
-      return dyn_cast<Instruction>(Builder.CreateInBoundsGEP(CEOps[0],
-                                                             CEOps.slice(1)));
+      return dyn_cast<Instruction>(Builder.CreateInBoundsGEP(
+          cast<GEPOperator>(CE)->getSourceElementType(), CEOps[0],
+          CEOps.slice(1)));
     }
     case Instruction::Add:
     case Instruction::Sub:
@@ -212,7 +213,8 @@ bool XCoreLowerThreadLocal::lowerGlobal(
     SmallVector<Value *, 2> Indices;
     Indices.push_back(Constant::getNullValue(Type::getInt64Ty(Ctx)));
     Indices.push_back(ThreadID);
-    Value *Addr = Builder.CreateInBoundsGEP(NewGV, Indices);
+    Value *Addr =
+        Builder.CreateInBoundsGEP(NewGV->getValueType(), NewGV, Indices);
     U->replaceUsesOfWith(GV, Addr);
   }
 

Modified: llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstructionCombining.cpp Fri Apr  3 16:33:42 2015
@@ -1609,12 +1609,11 @@ Instruction *InstCombiner::visitGetEleme
             // %0 = GEP [10 x i8] addrspace(1)* X, ...
             // addrspacecast i8 addrspace(1)* %0 to i8*
             SmallVector<Value*, 8> Idx(GEP.idx_begin(), GEP.idx_end());
-            Value *NewGEP =
-                GEP.isInBounds()
-                    ? Builder->CreateInBoundsGEP(StrippedPtr, Idx,
-                                                 GEP.getName())
-                    : Builder->CreateGEP(StrippedPtrTy->getElementType(),
-                                         StrippedPtr, Idx, GEP.getName());
+            Value *NewGEP = GEP.isInBounds()
+                                ? Builder->CreateInBoundsGEP(
+                                      nullptr, StrippedPtr, Idx, GEP.getName())
+                                : Builder->CreateGEP(nullptr, StrippedPtr, Idx,
+                                                     GEP.getName());
             return new AddrSpaceCastInst(NewGEP, GEP.getType());
           }
         }
@@ -1632,9 +1631,9 @@ Instruction *InstCombiner::visitGetEleme
         Value *Idx[2] = { Constant::getNullValue(IdxType), GEP.getOperand(1) };
         Value *NewGEP =
             GEP.isInBounds()
-                ? Builder->CreateInBoundsGEP(StrippedPtr, Idx, GEP.getName())
-                : Builder->CreateGEP(StrippedPtrTy->getElementType(),
-                                     StrippedPtr, Idx, GEP.getName());
+                ? Builder->CreateInBoundsGEP(nullptr, StrippedPtr, Idx,
+                                             GEP.getName())
+                : Builder->CreateGEP(nullptr, StrippedPtr, Idx, GEP.getName());
 
         // V and GEP are both pointer types --> BitCast
         return CastInst::CreatePointerBitCastOrAddrSpaceCast(NewGEP,
@@ -1667,10 +1666,10 @@ Instruction *InstCombiner::visitGetEleme
             // GEP may not be "inbounds".
             Value *NewGEP =
                 GEP.isInBounds() && NSW
-                    ? Builder->CreateInBoundsGEP(StrippedPtr, NewIdx,
+                    ? Builder->CreateInBoundsGEP(nullptr, StrippedPtr, NewIdx,
                                                  GEP.getName())
-                    : Builder->CreateGEP(StrippedPtrTy->getElementType(),
-                                         StrippedPtr, NewIdx, GEP.getName());
+                    : Builder->CreateGEP(nullptr, StrippedPtr, NewIdx,
+                                         GEP.getName());
 
             // The NewGEP must be pointer typed, so must the old one -> BitCast
             return CastInst::CreatePointerBitCastOrAddrSpaceCast(NewGEP,
@@ -1708,9 +1707,11 @@ Instruction *InstCombiner::visitGetEleme
                 Constant::getNullValue(DL.getIntPtrType(GEP.getType())),
                 NewIdx};
 
-            Value *NewGEP = GEP.isInBounds() && NSW ?
-              Builder->CreateInBoundsGEP(StrippedPtr, Off, GEP.getName()) :
-              Builder->CreateGEP(SrcElTy, StrippedPtr, Off, GEP.getName());
+            Value *NewGEP = GEP.isInBounds() && NSW
+                                ? Builder->CreateInBoundsGEP(
+                                      SrcElTy, StrippedPtr, Off, GEP.getName())
+                                : Builder->CreateGEP(SrcElTy, StrippedPtr, Off,
+                                                     GEP.getName());
             // The NewGEP must be pointer typed, so must the old one -> BitCast
             return CastInst::CreatePointerBitCastOrAddrSpaceCast(NewGEP,
                                                                  GEP.getType());
@@ -1772,9 +1773,10 @@ Instruction *InstCombiner::visitGetEleme
       // GEP.
       SmallVector<Value*, 8> NewIndices;
       if (FindElementAtOffset(OpType, Offset.getSExtValue(), NewIndices)) {
-        Value *NGEP = GEP.isInBounds() ?
-          Builder->CreateInBoundsGEP(Operand, NewIndices) :
-          Builder->CreateGEP(OpType->getElementType(), Operand, NewIndices);
+        Value *NGEP =
+            GEP.isInBounds()
+                ? Builder->CreateInBoundsGEP(nullptr, Operand, NewIndices)
+                : Builder->CreateGEP(nullptr, Operand, NewIndices);
 
         if (NGEP->getType() == GEP.getType())
           return ReplaceInstUsesWith(GEP, NGEP);
@@ -2266,7 +2268,8 @@ Instruction *InstCombiner::visitExtractV
       // We need to insert these at the location of the old load, not at that of
       // the extractvalue.
       Builder->SetInsertPoint(L->getParent(), L);
-      Value *GEP = Builder->CreateInBoundsGEP(L->getPointerOperand(), Indices);
+      Value *GEP = Builder->CreateInBoundsGEP(L->getType(),
+                                              L->getPointerOperand(), Indices);
       // Returning the load directly will cause the main loop to insert it in
       // the wrong spot, so use ReplaceInstUsesWith().
       return ReplaceInstUsesWith(EV, Builder->CreateLoad(GEP));

Modified: llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp Fri Apr  3 16:33:42 2015
@@ -631,7 +631,8 @@ bool GCOVProfiler::emitProfileArcs() {
             SmallVector<Value *, 2> Idx;
             Idx.push_back(Builder.getInt64(0));
             Idx.push_back(Sel);
-            Value *Counter = Builder.CreateInBoundsGEP(Counters, Idx);
+            Value *Counter = Builder.CreateInBoundsGEP(Counters->getValueType(),
+                                                       Counters, Idx);
             Value *Count = Builder.CreateLoad(Counter);
             Count = Builder.CreateAdd(Count, Builder.getInt64(1));
             Builder.CreateStore(Count, Counter);

Modified: llvm/trunk/lib/Transforms/Scalar/SROA.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/SROA.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/SROA.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/SROA.cpp Fri Apr  3 16:33:42 2015
@@ -1552,7 +1552,8 @@ static Value *buildGEP(IRBuilderTy &IRB,
   if (Indices.size() == 1 && cast<ConstantInt>(Indices.back())->isZero())
     return BasePtr;
 
-  return IRB.CreateInBoundsGEP(BasePtr, Indices, NamePrefix + "sroa_idx");
+  return IRB.CreateInBoundsGEP(nullptr, BasePtr, Indices,
+                               NamePrefix + "sroa_idx");
 }
 
 /// \brief Get a natural GEP off of the BasePtr walking through Ty toward
@@ -1803,7 +1804,8 @@ static Value *getAdjustedPtr(IRBuilderTy
 
     OffsetPtr = Int8PtrOffset == 0
                     ? Int8Ptr
-                    : IRB.CreateInBoundsGEP(Int8Ptr, IRB.getInt(Int8PtrOffset),
+                    : IRB.CreateInBoundsGEP(IRB.getInt8Ty(), Int8Ptr,
+                                            IRB.getInt(Int8PtrOffset),
                                             NamePrefix + "sroa_raw_idx");
   }
   Ptr = OffsetPtr;
@@ -3250,7 +3252,8 @@ private:
     void emitFunc(Type *Ty, Value *&Agg, const Twine &Name) {
       assert(Ty->isSingleValueType());
       // Load the single value and insert it using the indices.
-      Value *GEP = IRB.CreateInBoundsGEP(Ptr, GEPIndices, Name + ".gep");
+      Value *GEP =
+          IRB.CreateInBoundsGEP(nullptr, Ptr, GEPIndices, Name + ".gep");
       Value *Load = IRB.CreateLoad(GEP, Name + ".load");
       Agg = IRB.CreateInsertValue(Agg, Load, Indices, Name + ".insert");
       DEBUG(dbgs() << "          to: " << *Load << "\n");
@@ -3283,7 +3286,7 @@ private:
       // Extract the single value and store it using the indices.
       Value *Store = IRB.CreateStore(
           IRB.CreateExtractValue(Agg, Indices, Name + ".extract"),
-          IRB.CreateInBoundsGEP(Ptr, GEPIndices, Name + ".gep"));
+          IRB.CreateInBoundsGEP(nullptr, Ptr, GEPIndices, Name + ".gep"));
       (void)Store;
       DEBUG(dbgs() << "          to: " << *Store << "\n");
     }

Modified: llvm/trunk/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp Fri Apr  3 16:33:42 2015
@@ -480,7 +480,8 @@ void StraightLineStrengthReduce::rewrite
         Type *CharTy = Type::getInt8PtrTy(Basis.Ins->getContext(), AS);
         Reduced = Builder.CreateBitCast(Basis.Ins, CharTy);
         if (InBounds)
-          Reduced = Builder.CreateInBoundsGEP(Reduced, Bump);
+          Reduced =
+              Builder.CreateInBoundsGEP(Builder.getInt8Ty(), Reduced, Bump);
         else
           Reduced = Builder.CreateGEP(Builder.getInt8Ty(), Reduced, Bump);
         Reduced = Builder.CreateBitCast(Reduced, C.Ins->getType());
@@ -489,7 +490,7 @@ void StraightLineStrengthReduce::rewrite
         // Canonicalize bump to pointer size.
         Bump = Builder.CreateSExtOrTrunc(Bump, IntPtrTy);
         if (InBounds)
-          Reduced = Builder.CreateInBoundsGEP(Basis.Ins, Bump);
+          Reduced = Builder.CreateInBoundsGEP(nullptr, Basis.Ins, Bump);
         else
           Reduced = Builder.CreateGEP(nullptr, Basis.Ins, Bump);
       }

Modified: llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp Fri Apr  3 16:33:42 2015
@@ -3884,8 +3884,8 @@ Value *SwitchLookupTable::BuildLookup(Va
                                    "switch.tableidx.zext");
 
       Value *GEPIndices[] = { Builder.getInt32(0), Index };
-      Value *GEP = Builder.CreateInBoundsGEP(Array, GEPIndices,
-                                             "switch.gep");
+      Value *GEP = Builder.CreateInBoundsGEP(Array->getValueType(), Array,
+                                             GEPIndices, "switch.gep");
       return Builder.CreateLoad(GEP, "switch.load");
     }
   }

Modified: llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp?rev=234058&r1=234057&r2=234058&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/SimplifyLibCalls.cpp Fri Apr  3 16:33:42 2015
@@ -476,7 +476,7 @@ Value *LibCallSimplifier::optimizeStpCpy
   Value *Dst = CI->getArgOperand(0), *Src = CI->getArgOperand(1);
   if (Dst == Src) { // stpcpy(x,x)  -> x+strlen(x)
     Value *StrLen = EmitStrLen(Src, B, DL, TLI);
-    return StrLen ? B.CreateInBoundsGEP(Dst, StrLen) : nullptr;
+    return StrLen ? B.CreateInBoundsGEP(B.getInt8Ty(), Dst, StrLen) : nullptr;
   }
 
   // See if we can get the length of the input string.
@@ -2276,7 +2276,7 @@ Value *FortifiedLibCallSimplifier::optim
   // __stpcpy_chk(x,x,...)  -> x+strlen(x)
   if (Func == LibFunc::stpcpy_chk && !OnlyLowerUnknownSize && Dst == Src) {
     Value *StrLen = EmitStrLen(Src, B, DL, TLI);
-    return StrLen ? B.CreateInBoundsGEP(Dst, StrLen) : nullptr;
+    return StrLen ? B.CreateInBoundsGEP(B.getInt8Ty(), Dst, StrLen) : nullptr;
   }
 
   // If a) we don't have any length information, or b) we know this will





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