diff options
Diffstat (limited to 'lib/hipe/llvm/hipe_llvm_main.erl')
| -rw-r--r-- | lib/hipe/llvm/hipe_llvm_main.erl | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/lib/hipe/llvm/hipe_llvm_main.erl b/lib/hipe/llvm/hipe_llvm_main.erl index 476d6fb49c..4eec0c752b 100644 --- a/lib/hipe/llvm/hipe_llvm_main.erl +++ b/lib/hipe/llvm/hipe_llvm_main.erl @@ -84,7 +84,7 @@ compile_with_llvm(FunName, Arity, LLVMCode, Options, UseBuffer) -> __ = file:close(File_llvm), %% Invoke LLVM compiler tools to produce an object file llvm_opt(Dir, Filename, Options), - llvm_llc(Dir, Filename, Options), + llvm_llc(Dir, Filename, Ver, Options), compile(Dir, Filename, "gcc"), %%FIXME: use llc -filetype=obj and skip this! {ok, Dir, Dir ++ Filename ++ ".o"}. @@ -103,12 +103,16 @@ llvm_opt(Dir, Filename, Options) -> %% @doc Invoke llc tool to compile the bitcode to object file %% (_name.bc -> _name.o). -llvm_llc(Dir, Filename, Options) -> +llvm_llc(Dir, Filename, Ver, Options) -> Source = Dir ++ Filename ++ ".bc", OptLevel = trans_optlev_flag(llc, Options), + VerFlags = llc_ver_flags(Ver), Align = find_stack_alignment(), + Target = llc_target_opt(), LlcFlags = [OptLevel, "-code-model=medium", "-stack-alignment=" ++ Align - , "-tailcallopt", "-filetype=asm"], %%FIXME + , "-tailcallopt", "-filetype=asm" %FIXME + , Target + | VerFlags], Command = "llc " ++ fix_opts(LlcFlags) ++ " " ++ Source, %% io:format("LLC: ~s~n", [Command]), case os:cmd(Command) of @@ -121,7 +125,8 @@ llvm_llc(Dir, Filename, Options) -> compile(Dir, Fun_Name, Compiler) -> Source = Dir ++ Fun_Name ++ ".s", Dest = Dir ++ Fun_Name ++ ".o", - Command = Compiler ++ " -c " ++ Source ++ " -o " ++ Dest, + Target = compiler_target_opt(), + Command = Compiler ++ " " ++ Target ++ " -c " ++ Source ++ " -o " ++ Dest, %% io:format("~s: ~s~n", [Compiler, Command]), case os:cmd(Command) of "" -> ok; @@ -135,6 +140,18 @@ find_stack_alignment() -> _ -> exit({?MODULE, find_stack_alignment, "Unimplemented architecture"}) end. +llc_target_opt() -> + case get(hipe_target_arch) of + x86 -> "-march=x86"; + amd64 -> "-march=x86-64" + end. + +compiler_target_opt() -> + case get(hipe_target_arch) of + x86 -> "-m32"; + amd64 -> "-m64" + end. + %% @doc Join options. fix_opts(Opts) -> string:join(Opts, " "). @@ -153,6 +170,12 @@ trans_optlev_flag(Tool, Options) -> undefined -> "-O2" end. +llc_ver_flags(Ver = {_, _}) when Ver >= {3,9} -> + %% Works around a bug in the x86-call-frame-opt pass (as of LLVM 3.9) that + %% break the garbage collection stack descriptors. + ["-no-x86-call-frame-opt"]; +llc_ver_flags({_, _}) -> []. + %%------------------------------------------------------------------------------ %% Functions to manage Relocations %%------------------------------------------------------------------------------ @@ -257,15 +280,11 @@ fix_relocations(Relocs, RelocsDict, MFA) -> fix_reloc(#elf_rel{symbol=#elf_sym{name=Name, section=undefined, type=notype}, offset=Offset, type=?PCREL_T, addend=?PCREL_A}, - RelocsDict, {ModName,_,_}) when Name =/= "" -> + RelocsDict, {_,_,_}) when Name =/= "" -> case dict:fetch(Name, RelocsDict) of - {call, {bif, BifName, _}} -> {?CALL_LOCAL, Offset, BifName}; - %% MFA calls to functions in the same module are of type 3, while all - %% other MFA calls are of type 2. - %% XXX: Does this code break hot code loading (by transforming external - %% calls into local calls?) - {call, {ModName,_F,_A}=CallMFA} -> {?CALL_LOCAL, Offset, CallMFA}; - {call, CallMFA} -> {?CALL_REMOTE, Offset, CallMFA} + {call, _, {bif, BifName, _}} -> {?CALL_LOCAL, Offset, BifName}; + {call, not_remote, CallMFA} -> {?CALL_LOCAL, Offset, CallMFA}; + {call, remote, CallMFA} -> {?CALL_REMOTE, Offset, CallMFA} end; fix_reloc(#elf_rel{symbol=#elf_sym{name=Name, section=undefined, type=notype}, offset=Offset, type=?ABS_T, addend=?ABS_A}, @@ -280,7 +299,7 @@ fix_reloc(#elf_rel{symbol=#elf_sym{name=Name, section=#elf_shdr{name=?TEXT}, offset=Offset, type=?PCREL_T, addend=?PCREL_A}, RelocsDict, MFA) when Name =/= "" -> case dict:fetch(Name, RelocsDict) of - {call, MFA} -> {?CALL_LOCAL, Offset, MFA} + {call, not_remote, MFA} -> {?CALL_LOCAL, Offset, MFA} end; fix_reloc(#elf_rel{symbol=#elf_sym{name=Name, section=#elf_shdr{name=?RODATA}, type=object}, @@ -408,7 +427,7 @@ calls_with_stack_args(Dict) -> calls_with_stack_args(dict:to_list(Dict), []). calls_with_stack_args([], Calls) -> Calls; -calls_with_stack_args([ {_Name, {call, {M, F, A}}} | Rest], Calls) +calls_with_stack_args([ {_Name, {call, _, {M, F, A}}} | Rest], Calls) when A > ?NR_ARG_REGS -> Call = case M of |