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Supporting dumping, switching off and debug printing of optimization phases

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This commit is contained in:
Ilia Filippov
2013-08-01 11:37:52 +04:00
parent 663ebf7857
commit a174a90f86
4 changed files with 191 additions and 30 deletions
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60
main.cpp
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@@ -156,6 +156,11 @@ devUsage(int ret) {
printf(" disable-uniform-control-flow\t\tDisable uniform control flow optimizations\n");
printf(" disable-uniform-memory-optimizations\tDisable uniform-based coherent memory access\n");
printf(" [--yydebug]\t\t\t\tPrint debugging information during parsing\n");
printf(" [--debug-phase=<value>]\t\tSet optimization phases to dump. --debug-phase=first,210:220,300,305,310:last\n");
#ifdef LLVM_3_4
printf(" [--debug-ir=<value>]\t\tSet optimization phase to generate debugIR after it\n");
#endif
printf(" [--off-phase=<value>]\t\tSwitch off optimization phases. --off-phase=first,210:220,300,305,310:last\n");
exit(ret);
}
@@ -212,6 +217,47 @@ lSignal(void *) {
}
static int ParsingPhaseName(char * stage) {
if (strncmp(stage, "first", 5) == 0) {
return 0;
}
else if (strncmp(stage, "last", 4) == 0) {
return LAST_OPT_NUMBER;
}
else {
int t = atoi(stage);
if (t < 0 || t > LAST_OPT_NUMBER) {
fprintf(stderr, "Phases must be from 0 to %d. %s is incorrect.\n", LAST_OPT_NUMBER, stage);
exit(0);
}
else {
return t;
}
}
}
static std::set<int> ParsingPhases(char * stages) {
std::set<int> phases;
int begin = ParsingPhaseName(stages);
int end = begin;
for (unsigned i = 0; i < strlen(stages); i++) {
if ((stages[i] == ',') || (i == strlen(stages) - 1)) {
for (int j = begin; j < end + 1; j++) {
phases.insert(j);
}
begin = ParsingPhaseName(stages + i + 1);
end = begin;
}
else if (stages[i] == ':') {
end = ParsingPhaseName(stages + i + 1);
}
}
return phases;
}
static void
lParseInclude(const char *path) {
#ifdef ISPC_IS_WINDOWS
@@ -489,6 +535,20 @@ int main(int Argc, char *Argv[]) {
}
hostStubFileName = argv[i];
}
else if (strncmp(argv[i], "--debug-phase=", 14) == 0) {
fprintf(stderr, "WARNING: Adding debug phases may change the way PassManager"
"handles the phases and it may possibly make some bugs go"
"away or introduce the new ones.\n");
g->debug_stages = ParsingPhases(argv[i] + strlen("--debug-phase="));
}
#ifdef LLVM_3_4
else if (strncmp(argv[i], "--debug-ir=", 11) == 0) {
g->debugIR = ParsingPhaseName(argv[i] + strlen("--debug-ir="));
}
#endif
else if (strncmp(argv[i], "--off-phase=", 12) == 0) {
g->off_stages = ParsingPhases(argv[i] + strlen("--off-phase="));
}
else if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version")) {
lPrintVersion();
return 0;