[clang][driver] Print compilation phases with indentation.
Reviewers: tra, sfantao, echristo
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D69124
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@375310 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index 7a0defe..f6016b4 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -1802,23 +1802,36 @@
return true;
}
+enum {
+ TopLevelAction = 0,
+ HeadSibAction = 1,
+ OtherSibAction = 2,
+};
+
// Display an action graph human-readably. Action A is the "sink" node
// and latest-occuring action. Traversal is in pre-order, visiting the
// inputs to each action before printing the action itself.
static unsigned PrintActions1(const Compilation &C, Action *A,
- std::map<Action *, unsigned> &Ids) {
+ std::map<Action *, unsigned> &Ids,
+ Twine Indent = {}, int Kind = TopLevelAction) {
if (Ids.count(A)) // A was already visited.
return Ids[A];
std::string str;
llvm::raw_string_ostream os(str);
+ auto getSibIndent = [](int K) -> Twine {
+ return (K == HeadSibAction) ? " " : (K == OtherSibAction) ? "| " : "";
+ };
+
+ Twine SibIndent = Indent + getSibIndent(Kind);
+ int SibKind = HeadSibAction;
os << Action::getClassName(A->getKind()) << ", ";
if (InputAction *IA = dyn_cast<InputAction>(A)) {
os << "\"" << IA->getInputArg().getValue() << "\"";
} else if (BindArchAction *BIA = dyn_cast<BindArchAction>(A)) {
os << '"' << BIA->getArchName() << '"' << ", {"
- << PrintActions1(C, *BIA->input_begin(), Ids) << "}";
+ << PrintActions1(C, *BIA->input_begin(), Ids, SibIndent, SibKind) << "}";
} else if (OffloadAction *OA = dyn_cast<OffloadAction>(A)) {
bool IsFirst = true;
OA->doOnEachDependence(
@@ -1841,8 +1854,9 @@
os << ":" << BoundArch;
os << ")";
os << '"';
- os << " {" << PrintActions1(C, A, Ids) << "}";
+ os << " {" << PrintActions1(C, A, Ids, SibIndent, SibKind) << "}";
IsFirst = false;
+ SibKind = OtherSibAction;
});
} else {
const ActionList *AL = &A->getInputs();
@@ -1850,8 +1864,9 @@
if (AL->size()) {
const char *Prefix = "{";
for (Action *PreRequisite : *AL) {
- os << Prefix << PrintActions1(C, PreRequisite, Ids);
+ os << Prefix << PrintActions1(C, PreRequisite, Ids, SibIndent, SibKind);
Prefix = ", ";
+ SibKind = OtherSibAction;
}
os << "}";
} else
@@ -1872,9 +1887,13 @@
}
}
+ auto getSelfIndent = [](int K) -> Twine {
+ return (K == HeadSibAction) ? "+- " : (K == OtherSibAction) ? "|- " : "";
+ };
+
unsigned Id = Ids.size();
Ids[A] = Id;
- llvm::errs() << Id << ": " << os.str() << ", "
+ llvm::errs() << Indent + getSelfIndent(Kind) << Id << ": " << os.str() << ", "
<< types::getTypeName(A->getType()) << offload_os.str() << "\n";
return Id;
