Follow up to 6b62a91, fix llvm-examples build

This is due to the {I,F}CmpInst constructor being normalised to take a
pointer to a block rather than a reference (unlike any other Instruction).

Author: jmorse

llvm/examples/BrainF/BrainF.cpp

@@ -440,7 +440,7 @@ void BrainF::readloop(PHINode *phi, BasicBlock *oldbb, BasicBlock *testbb,
       LoadInst *tape_0 = new LoadInst(Int8Ty, head_0, tapereg, testbb);
 
       //%test.%d = icmp eq i8 %tape.%d, 0
-      ICmpInst *test_0 = new ICmpInst(*testbb, ICmpInst::ICMP_EQ, tape_0,
+      ICmpInst *test_0 = new ICmpInst(testbb, ICmpInst::ICMP_EQ, tape_0,
                                     ConstantInt::get(C, APInt(8, 0)), testreg);
 
       //br i1 %test.%d, label %main.%d, label %main.%d

llvm/examples/Fibonacci/fibonacci.cpp

@@ -73,7 +73,7 @@ static Function *CreateFibFunction(Module *M, LLVMContext &Context) {
   BasicBlock* RecurseBB = BasicBlock::Create(Context, "recurse", FibF);
 
   // Create the "if (arg <= 2) goto exitbb"
-  Value *CondInst = new ICmpInst(*BB, ICmpInst::ICMP_SLE, ArgX, Two, "cond");
+  Value *CondInst = new ICmpInst(BB, ICmpInst::ICMP_SLE, ArgX, Two, "cond");
   BranchInst::Create(RetBB, RecurseBB, CondInst, BB);
 
   // Create: ret int 1