Update to LLVM 9.1. (#2491)

Author: maleadt

Project.toml

@@ -61,7 +61,7 @@ ExprTools = "0.1"
 GPUArrays = "10.0.1"
 GPUCompiler = "0.24, 0.25, 0.26, 0.27"
 KernelAbstractions = "0.9.2"
-LLVM = "6, 7, 8, 9"
+LLVM = "9.1"
 LLVMLoopInfo = "1"
 LazyArtifacts = "1"
 Libdl = "1"

src/compiler/compilation.jl

@@ -85,9 +85,9 @@ function GPUCompiler.finish_module!(@nospecialize(job::CUDACompilerJob),
         # generate IR for calls to `deferred_codegen` and the resulting function pointer
         top_bb = first(blocks(entry))
         bb = BasicBlock(top_bb, "initialize_rng")
-        LLVM.@dispose builder=IRBuilder() begin
+        @dispose builder=IRBuilder() begin
             position!(builder, bb)
-            subprogram = LLVM.get_subprogram(entry)
+            subprogram = LLVM.subprogram(entry)
             if subprogram !== nothing
                 loc = DILocation(0, 0, subprogram)
                 debuglocation!(builder, loc)