land David Blaikie's patch to de-constify Type, with a few tweaks.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/BuildLibCalls.cpp b/lib/Transforms/Utils/BuildLibCalls.cpp
index 14bb17f..4b5f45b 100644
--- a/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -58,8 +58,8 @@
   AttributeWithIndex AWI =
     AttributeWithIndex::get(~0u, Attribute::ReadOnly | Attribute::NoUnwind);
 
-  const Type *I8Ptr = B.getInt8PtrTy();
-  const Type *I32Ty = B.getInt32Ty();
+  Type *I8Ptr = B.getInt8PtrTy();
+  Type *I32Ty = B.getInt32Ty();
   Constant *StrChr = M->getOrInsertFunction("strchr", AttrListPtr::get(&AWI, 1),
                                             I8Ptr, I8Ptr, I32Ty, NULL);
   CallInst *CI = B.CreateCall2(StrChr, CastToCStr(Ptr, B),
@@ -102,7 +102,7 @@
   AttributeWithIndex AWI[2];
   AWI[0] = AttributeWithIndex::get(2, Attribute::NoCapture);
   AWI[1] = AttributeWithIndex::get(~0u, Attribute::NoUnwind);
-  const Type *I8Ptr = B.getInt8PtrTy();
+  Type *I8Ptr = B.getInt8PtrTy();
   Value *StrCpy = M->getOrInsertFunction(Name, AttrListPtr::get(AWI, 2),
                                          I8Ptr, I8Ptr, I8Ptr, NULL);
   CallInst *CI = B.CreateCall2(StrCpy, CastToCStr(Dst, B), CastToCStr(Src, B),
@@ -120,7 +120,7 @@
   AttributeWithIndex AWI[2];
   AWI[0] = AttributeWithIndex::get(2, Attribute::NoCapture);
   AWI[1] = AttributeWithIndex::get(~0u, Attribute::NoUnwind);
-  const Type *I8Ptr = B.getInt8PtrTy();
+  Type *I8Ptr = B.getInt8PtrTy();
   Value *StrNCpy = M->getOrInsertFunction(Name, AttrListPtr::get(AWI, 2),
                                           I8Ptr, I8Ptr, I8Ptr,
                                           Len->getType(), NULL);
@@ -361,7 +361,7 @@
   this->CI = CI;
   Function *Callee = CI->getCalledFunction();
   StringRef Name = Callee->getName();
-  const FunctionType *FT = Callee->getFunctionType();
+  FunctionType *FT = Callee->getFunctionType();
   LLVMContext &Context = CI->getParent()->getContext();
   IRBuilder<> B(CI);