ac: create the LLVM builder in ac_llvm_context_init

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>

src/amd/common/ac_llvm_build.h

@@ -49,6 +49,7 @@ enum {
 
 struct ac_llvm_flow;
 struct ac_llvm_compiler;
+enum ac_float_mode;
 
 struct ac_llvm_context {
 	LLVMContextRef context;
@@ -113,7 +114,7 @@ void
 ac_llvm_context_init(struct ac_llvm_context *ctx,
 		     struct ac_llvm_compiler *compiler,
 		     enum chip_class chip_class, enum radeon_family family,
-		     unsigned wave_size);
+		     enum ac_float_mode float_mode, unsigned wave_size);
 
 void
 ac_llvm_context_dispose(struct ac_llvm_context *ctx);