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Refactor TargetOptions initialization into a single place.

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The same code (~20 lines) for initializing a TargetOptions object from CodeGen
cmdline flags is duplicated 4 times in 4 different tools. This patch moves it
into a utility function.

Since the CodeGen/CommandFlags.h file defines cl::opt flags in a header, it's
a bit of a touchy situation because we should only link them into tools. So this
patch puts the init function in the header.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201699 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Bendersky
2014-02-19 17:09:35 +00:00
parent eb5fe7002a
commit cf42174647
5 changed files with 37 additions and 98 deletions
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40
tools/lto/lto.cpp
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@@ -56,28 +56,6 @@ static void lto_initialize() {
}
}
static void lto_set_target_options(llvm::TargetOptions &Options) {
Options.LessPreciseFPMADOption = EnableFPMAD;
Options.NoFramePointerElim = DisableFPElim;
Options.AllowFPOpFusion = FuseFPOps;
Options.UnsafeFPMath = EnableUnsafeFPMath;
Options.NoInfsFPMath = EnableNoInfsFPMath;
Options.NoNaNsFPMath = EnableNoNaNsFPMath;
Options.HonorSignDependentRoundingFPMathOption =
EnableHonorSignDependentRoundingFPMath;
Options.UseSoftFloat = GenerateSoftFloatCalls;
if (FloatABIForCalls != llvm::FloatABI::Default)
Options.FloatABIType = FloatABIForCalls;
Options.NoZerosInBSS = DontPlaceZerosInBSS;
Options.GuaranteedTailCallOpt = EnableGuaranteedTailCallOpt;
Options.DisableTailCalls = DisableTailCalls;
Options.StackAlignmentOverride = OverrideStackAlignment;
Options.TrapFuncName = TrapFuncName;
Options.PositionIndependentExecutable = EnablePIE;
Options.EnableSegmentedStacks = SegmentedStacks;
Options.UseInitArray = UseInitArray;
}
/// lto_get_version - Returns a printable string.
extern const char* lto_get_version() {
return LTOCodeGenerator::getVersionString();
@@ -120,8 +98,7 @@ lto_module_is_object_file_in_memory_for_target(const void* mem,
/// (check lto_get_error_message() for details).
lto_module_t lto_module_create(const char* path) {
lto_initialize();
llvm::TargetOptions Options;
lto_set_target_options(Options);
llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
return LTOModule::makeLTOModule(path, Options, sLastErrorString);
}
@@ -129,8 +106,7 @@ lto_module_t lto_module_create(const char* path) {
/// error (check lto_get_error_message() for details).
lto_module_t lto_module_create_from_fd(int fd, const char *path, size_t size) {
lto_initialize();
llvm::TargetOptions Options;
lto_set_target_options(Options);
llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
return LTOModule::makeLTOModule(fd, path, size, Options, sLastErrorString);
}
@@ -141,8 +117,7 @@ lto_module_t lto_module_create_from_fd_at_offset(int fd, const char *path,
size_t map_size,
off_t offset) {
lto_initialize();
llvm::TargetOptions Options;
lto_set_target_options(Options);
llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
return LTOModule::makeLTOModule(fd, path, map_size, offset, Options,
sLastErrorString);
}
@@ -151,8 +126,7 @@ lto_module_t lto_module_create_from_fd_at_offset(int fd, const char *path,
/// NULL on error (check lto_get_error_message() for details).
lto_module_t lto_module_create_from_memory(const void* mem, size_t length) {
lto_initialize();
llvm::TargetOptions Options;
lto_set_target_options(Options);
llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
return LTOModule::makeLTOModule(mem, length, Options, sLastErrorString);
}
@@ -162,8 +136,7 @@ lto_module_t lto_module_create_from_memory_with_path(const void* mem,
size_t length,
const char *path) {
lto_initialize();
llvm::TargetOptions Options;
lto_set_target_options(Options);
llvm::TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
return LTOModule::makeLTOModule(mem, length, Options, sLastErrorString, path);
}
@@ -238,8 +211,7 @@ void lto_codegen_set_diagnostic_handler(lto_code_gen_t cg,
lto_code_gen_t lto_codegen_create(void) {
lto_initialize();
TargetOptions Options;
lto_set_target_options(Options);
TargetOptions Options = InitTargetOptionsFromCodeGenFlags();
LTOCodeGenerator *CodeGen = new LTOCodeGenerator();
if (CodeGen)