LLVM >= 135219 (git: 1abf2cb) required:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=9228bfb37519e4a03183ec89e82a80f39addeeeb


LLVM < 134829 (git: 1afcace) and 134839 (git: 7c72c92) required:
$ grep -r -n "LLVMAddTypeName" ./
./src/gallium/drivers/llvmpipe/lp_jit.c:116:      LLVMAddTypeName(gallivm->module, "texture", texture_type);
./src/gallium/drivers/llvmpipe/lp_jit.c:158:      LLVMAddTypeName(gallivm->module, "context", context_type);
./src/gallium/auxiliary/draw/draw_llvm.c:287:   LLVMAddTypeName(gallivm->module, struct_name, vertex_header);
./src/gallium/auxiliary/draw/draw_llvm.c:303:   LLVMAddTypeName(gallivm->module, "texture", texture_type);
./src/gallium/auxiliary/draw/draw_llvm.c:306:   LLVMAddTypeName(gallivm->module, "draw_jit_context", context_type);
./src/gallium/auxiliary/draw/draw_llvm.c:310:   LLVMAddTypeName(gallivm->module, "buffer", buffer_type);
./src/gallium/auxiliary/draw/draw_llvm.c:314:   LLVMAddTypeName(gallivm->module, "pipe_vertex_buffer", vb_type);


Additional hint: LLVM < 135245 (git: ef58218) required: 
grep -r -n "LLVMInvalidateStructLayout" ./
./src/gallium/drivers/llvmpipe/lp_jit.c:74:      LLVMInvalidateStructLayout(gallivm->target, texture_type);
./src/gallium/drivers/llvmpipe/lp_jit.c:135:      LLVMInvalidateStructLayout(gallivm->target, context_type);
./src/gallium/auxiliary/draw/draw_llvm.c:129:   LLVMInvalidateStructLayout(gallivm->target, texture_type);
./src/gallium/auxiliary/draw/draw_llvm.c:196:   LLVMInvalidateStructLayout(gallivm->target, context_type);
./src/gallium/auxiliary/draw/draw_llvm.c:231:   LLVMInvalidateStructLayout(gallivm->target, vb_type);
./src/gallium/auxiliary/draw/draw_llvm.c:264:   LLVMInvalidateStructLayout(gallivm->target, vertex_header);