diff options
Diffstat (limited to 'lib/hipe/main/hipe.erl')
| -rw-r--r-- | lib/hipe/main/hipe.erl | 85 |
1 files changed, 68 insertions, 17 deletions
diff --git a/lib/hipe/main/hipe.erl b/lib/hipe/main/hipe.erl index 434d5c3061..539ce883c0 100644 --- a/lib/hipe/main/hipe.erl +++ b/lib/hipe/main/hipe.erl @@ -200,6 +200,7 @@ compile_core/4, file/1, file/2, + llvm_support_available/0, load/1, help/0, help_hiper/0, @@ -648,7 +649,18 @@ run_compiler_1(DisasmFun, IcodeFun, Options) -> %% The full option expansion is not done %% until the DisasmFun returns. {Code, CompOpts} = DisasmFun(Options), - Opts = expand_options(Options ++ CompOpts), + Opts0 = expand_options(Options ++ CompOpts), + Opts = + case proplists:get_bool(to_llvm, Opts0) andalso + not llvm_support_available() of + true -> + ?error_msg("No LLVM version 3.4 or greater " + "found in $PATH; aborting " + "native code compilation.\n", []), + ?EXIT(cant_find_required_llvm_version); + false -> + Opts0 + end, check_options(Opts), ?when_option(verbose, Options, ?debug_msg("Options: ~p.\n",[Opts])), @@ -821,7 +833,9 @@ finalize_fun_sequential({MFA, Icode}, Opts, Servers) -> ?debug_msg("Compiled ~w in ~.2f s\n", [MFA,(T2-T1)/1000])), {MFA, Code}; {rtl, LinearRtl} -> - {MFA, LinearRtl} + {MFA, LinearRtl}; + {llvm_binary, Binary} -> + {MFA, Binary} catch error:Error -> ?when_option(verbose, Opts, ?debug_untagged_msg("\n", [])), @@ -890,21 +904,27 @@ do_load(Mod, Bin, BeamBinOrPath) when is_binary(BeamBinOrPath); end. assemble(CompiledCode, Closures, Exports, Options) -> - case get(hipe_target_arch) of - ultrasparc -> - hipe_sparc_assemble:assemble(CompiledCode, Closures, Exports, Options); - powerpc -> - hipe_ppc_assemble:assemble(CompiledCode, Closures, Exports, Options); - ppc64 -> - hipe_ppc_assemble:assemble(CompiledCode, Closures, Exports, Options); - arm -> - hipe_arm_assemble:assemble(CompiledCode, Closures, Exports, Options); - x86 -> - hipe_x86_assemble:assemble(CompiledCode, Closures, Exports, Options); - amd64 -> - hipe_amd64_assemble:assemble(CompiledCode, Closures, Exports, Options); - Arch -> - ?EXIT({executing_on_an_unsupported_architecture, Arch}) + case proplists:get_bool(to_llvm, Options) of + false -> + case get(hipe_target_arch) of + ultrasparc -> + hipe_sparc_assemble:assemble(CompiledCode, Closures, Exports, Options); + powerpc -> + hipe_ppc_assemble:assemble(CompiledCode, Closures, Exports, Options); + ppc64 -> + hipe_ppc_assemble:assemble(CompiledCode, Closures, Exports, Options); + arm -> + hipe_arm_assemble:assemble(CompiledCode, Closures, Exports, Options); + x86 -> + hipe_x86_assemble:assemble(CompiledCode, Closures, Exports, Options); + amd64 -> + hipe_amd64_assemble:assemble(CompiledCode, Closures, Exports, Options); + Arch -> + ?EXIT({executing_on_an_unsupported_architecture, Arch}) + end; + true -> + %% Merge already compiled code (per MFA) to a single binary. + hipe_llvm_merge:finalize(CompiledCode, Closures, Exports) end. %% -------------------------------------------------------------------- @@ -1330,6 +1350,11 @@ opt_keys() -> timeregalloc, timers, to_rtl, + to_llvm, % Use the LLVM backend for compilation. + llvm_save_temps, % Save the LLVM intermediate files in the current + % directory; useful for debugging. + llvm_llc, % Specify llc optimization-level: o1, o2, o3, undefined. + llvm_opt, % Specify opt optimization-level: o1, o2, o3, undefined. use_indexing, use_inline_atom_search, use_callgraph, @@ -1468,11 +1493,19 @@ opt_expansions() -> [{o1, o1_opts()}, {o2, o2_opts()}, {o3, o3_opts()}, + {to_llvm, llvm_opts(o3)}, + {{to_llvm, o0}, llvm_opts(o0)}, + {{to_llvm, o1}, llvm_opts(o1)}, + {{to_llvm, o2}, llvm_opts(o2)}, + {{to_llvm, o3}, llvm_opts(o3)}, {x87, [x87, inline_fp]}, {inline_fp, case get(hipe_target_arch) of %% XXX: Temporary until x86 x86 -> [x87, inline_fp]; %% has sse2 _ -> [inline_fp] end}]. +llvm_opts(O) -> + [to_llvm, {llvm_opt, O}, {llvm_llc, O}]. + %% This expands "basic" options, which may be tested early and cannot be %% in conflict with options found in the source code. @@ -1516,4 +1549,22 @@ check_options(Opts) -> ok end. +-spec llvm_support_available() -> boolean(). + +llvm_support_available() -> + get_llvm_version() >= 3.4. + +get_llvm_version() -> + OptStr = os:cmd("opt -version"), + SubStr = "LLVM version ", N = length(SubStr), + case string:str(OptStr, SubStr) of + 0 -> % No opt available + 0.0; + S -> + case string:to_float(string:sub_string(OptStr, S + N)) of + {error, _} -> 0.0; %XXX: Assumes no revision numbers in versioning + {Float, _} -> Float + end + end. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |