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Linker: Eliminate uncalled functions, because they can be ill-defined.

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Fixes issue #610. Also provides a testing option to keep uncalled functions.
This commit is contained in:
John Kessenich 2016-12-09 19:22:20 -07:00
parent bf6d7f43fd
commit 906cc21816
68 changed files with 101 additions and 7783 deletions
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53
StandAlone/StandAlone.cpp
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@ -60,29 +60,30 @@ extern "C" {
// Command-line options
enum TOptions {
EOptionNone = 0,
EOptionIntermediate = (1 << 0),
EOptionSuppressInfolog = (1 << 1),
EOptionMemoryLeakMode = (1 << 2),
EOptionRelaxedErrors = (1 << 3),
EOptionGiveWarnings = (1 << 4),
EOptionLinkProgram = (1 << 5),
EOptionMultiThreaded = (1 << 6),
EOptionDumpConfig = (1 << 7),
EOptionDumpReflection = (1 << 8),
EOptionSuppressWarnings = (1 << 9),
EOptionDumpVersions = (1 << 10),
EOptionSpv = (1 << 11),
EOptionHumanReadableSpv = (1 << 12),
EOptionVulkanRules = (1 << 13),
EOptionDefaultDesktop = (1 << 14),
EOptionOutputPreprocessed = (1 << 15),
EOptionOutputHexadecimal = (1 << 16),
EOptionReadHlsl = (1 << 17),
EOptionCascadingErrors = (1 << 18),
EOptionAutoMapBindings = (1 << 19),
EOptionNone = 0,
EOptionIntermediate = (1 << 0),
EOptionSuppressInfolog = (1 << 1),
EOptionMemoryLeakMode = (1 << 2),
EOptionRelaxedErrors = (1 << 3),
EOptionGiveWarnings = (1 << 4),
EOptionLinkProgram = (1 << 5),
EOptionMultiThreaded = (1 << 6),
EOptionDumpConfig = (1 << 7),
EOptionDumpReflection = (1 << 8),
EOptionSuppressWarnings = (1 << 9),
EOptionDumpVersions = (1 << 10),
EOptionSpv = (1 << 11),
EOptionHumanReadableSpv = (1 << 12),
EOptionVulkanRules = (1 << 13),
EOptionDefaultDesktop = (1 << 14),
EOptionOutputPreprocessed = (1 << 15),
EOptionOutputHexadecimal = (1 << 16),
EOptionReadHlsl = (1 << 17),
EOptionCascadingErrors = (1 << 18),
EOptionAutoMapBindings = (1 << 19),
EOptionFlattenUniformArrays = (1 << 20),
EOptionNoStorageFormat = (1 << 21),
EOptionNoStorageFormat = (1 << 21),
EOptionKeepUncalled = (1 << 21),
};
//
@ -310,6 +311,9 @@ void ProcessArguments(int argc, char* argv[])
} else
Error("no <entry-point> provided for --source-entrypoint");
break;
} else if (lowerword == "keep-uncalled" || // synonyms
lowerword == "ku") {
Options |= EOptionKeepUncalled;
} else {
usage();
}
@ -459,6 +463,8 @@ void SetMessageOptions(EShMessages& messages)
messages = (EShMessages)(messages | EShMsgReadHlsl);
if (Options & EOptionCascadingErrors)
messages = (EShMessages)(messages | EShMsgCascadingErrors);
if (Options & EOptionKeepUncalled)
messages = (EShMessages)(messages | EShMsgKeepUncalled);
}
//
@ -978,6 +984,9 @@ void usage()
"\n"
" --source-entrypoint name the given shader source function is renamed to be the entry point given in -e\n"
" --sep synonym for --source-entrypoint\n"
"\n"
" --keep-uncalled don't eliminate uncalled functions when linking\n"
" --ku synonym for --keep-uncalled\n"
);
exit(EFailUsage);