wrap IsATerminatorInst.

Author: maleadt

src/core/instructions.jl

@@ -142,7 +142,9 @@ called_value(inst::Instruction) = Value(API.LLVMGetCalledValue(ref(inst)))
 
 ## terminators
 
-export isconditional, condition, condition!, default_dest
+export isterminator, isconditional, condition, condition!, default_dest
+
+isterminator(inst::Instruction) = LLVM.API.LLVMIsATerminatorInst(LLVM.ref(inst)) != C_NULL
 
 isconditional(br::Instruction) = convert(Core.Bool, API.LLVMIsConditional(ref(br)))
 

test/core.jl

@@ -235,6 +235,7 @@ LLVM.Module("SomeModule", ctx) do mod
 
     valueinst1 = add!(builder, parameters(fn)[1],
                       ConstantInt(Int32(1), ctx))
+    @test !isterminator(valueinst1)
 
     userinst = add!(builder, valueinst1,
                     ConstantInt(Int32(1), ctx))
@@ -868,6 +869,7 @@ LLVM.Module("SomeModule", ctx) do mod
 
     # terminators
 
+    @test isterminator(brinst)
     @test isconditional(brinst)
     @test condition(brinst) == parameters(fn)[1]
     condition!(brinst, parameters(fn)[2])