6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-13 04:30:23 +00:00
Code Issues Projects Releases Wiki Activity

Replace also-emit-llvm with save-temps.

Browse Source 
The also-emit-llvm option only supported getting the IR before optimizations.
This patch replaces it with a more generic save-temps option that saves the IR
both before and after optimizations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220885 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-10-29 23:54:45 +00:00
parent 0d36b9d692
commit 25016f9d2e
2 changed files with 24 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
test/tools/gold/emit-llvm.ll
View File

@ -8,23 +8,21 @@
; RUN: FileCheck --check-prefix=API %s < %T/../apifile.txt
; RUN: ld -plugin %llvmshlibdir/LLVMgold.so \
; RUN: -m elf_x86_64 --plugin-opt=also-emit-llvm \
; RUN: -m elf_x86_64 --plugin-opt=save-temps \
; RUN: -shared %t.o -o %t3.o
; RUN: llvm-dis %t3.o.bc -o /dev/null
; RUN: ld -plugin %llvmshlibdir/LLVMgold.so \
; RUN: -m elf_x86_64 --plugin-opt=also-emit-llvm=%t4 \
; RUN: -shared %t.o -o %t3.o
; RUN: llvm-dis %t4 -o /dev/null
; RUN: llvm-dis %t3.o.bc -o - | FileCheck %s
; RUN: llvm-dis %t3.o.opt.bc -o - | FileCheck --check-prefix=OPT %s
target triple = "x86_64-unknown-linux-gnu"
; CHECK: define internal void @f1()
; OPT-NOT: @f1
define hidden void @f1() {
ret void
}
; CHECK: define hidden void @f2()
; OPT: define hidden void @f2()
define hidden void @f2() {
ret void
}
@ -32,23 +30,27 @@ define hidden void @f2() {
@llvm.used = appending global [1 x i8*] [ i8* bitcast (void ()* @f2 to i8*)]
; CHECK: define void @f3()
; OPT: define void @f3()
define void @f3() {
call void @f4()
ret void
}
; CHECK: define internal void @f4()
; OPT-NOT: @f4
define linkonce_odr void @f4() {
ret void
}
; CHECK: define linkonce_odr void @f5()
; OPT: define linkonce_odr void @f5()
define linkonce_odr void @f5() {
ret void
}
@g5 = global void()* @f5
; CHECK: define internal void @f6() unnamed_addr
; OPT: define internal void @f6() unnamed_addr
define linkonce_odr void @f6() unnamed_addr {
ret void
}

38
tools/gold/gold-plugin.cpp
View File

@ -78,10 +78,9 @@ static std::vector<std::string> Cleanup;
static llvm::TargetOptions TargetOpts;
namespace options {
enum generate_bc { BC_NO, BC_ALSO, BC_ONLY };
enum generate_bc { BC_NO, BC_ONLY, BC_SAVE_TEMPS };
static bool generate_api_file = false;
static generate_bc generate_bc_file = BC_NO;
static std::string bc_path;
static std::string obj_path;
static std::string extra_library_path;
static std::string triple;
@ -111,18 +110,8 @@ namespace options {
obj_path = opt.substr(strlen("obj-path="));
} else if (opt == "emit-llvm") {
generate_bc_file = BC_ONLY;
} else if (opt == "also-emit-llvm") {
generate_bc_file = BC_ALSO;
} else if (opt.startswith("also-emit-llvm=")) {
llvm::StringRef path = opt.substr(strlen("also-emit-llvm="));
generate_bc_file = BC_ALSO;
if (!bc_path.empty()) {
message(LDPL_WARNING, "Path to the output IL file specified twice. "
"Discarding %s",
opt_);
} else {
bc_path = path;
}
} else if (opt == "save-temps") {
generate_bc_file = BC_SAVE_TEMPS;
} else {
// Save this option to pass to the code generator.
// ParseCommandLineOptions() expects argv[0] to be program name. Lazily
@ -691,6 +680,14 @@ static void runLTOPasses(Module &M, TargetMachine &TM) {
passes.run(M);
}
static void saveBCFile(StringRef Path, Module &M) {
std::error_code EC;
raw_fd_ostream OS(Path, EC, sys::fs::OpenFlags::F_None);
if (EC)
message(LDPL_FATAL, "Failed to write the output file.");
WriteBitcodeToFile(&M, OS);
}
static void codegen(Module &M) {
const std::string &TripleStr = M.getTargetTriple();
Triple TheTriple(TripleStr);
@ -715,6 +712,9 @@ static void codegen(Module &M) {
runLTOPasses(M, *TM);
if (options::generate_bc_file == options::BC_SAVE_TEMPS)
saveBCFile(output_name + ".opt.bc", M);
PassManager CodeGenPasses;
CodeGenPasses.add(new DataLayoutPass());
@ -800,17 +800,9 @@ static ld_plugin_status allSymbolsReadHook(raw_fd_ostream *ApiFile) {
std::string path;
if (options::generate_bc_file == options::BC_ONLY)
path = output_name;
else if (!options::bc_path.empty())
path = options::bc_path;
else
path = output_name + ".bc";
{
std::error_code EC;
raw_fd_ostream OS(path, EC, sys::fs::OpenFlags::F_None);
if (EC)
message(LDPL_FATAL, "Failed to write the output file.");
WriteBitcodeToFile(L.getModule(), OS);
}
saveBCFile(path, *L.getModule());
if (options::generate_bc_file == options::BC_ONLY)
return LDPS_OK;
}