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[CAS] Consolidate compile cache flags

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Rename `-enable-cas` to `-compile-cache-job` to align with clang option
names and promote that to a new driver only flag.

Few other additions to driver flag for caching behaviors:
* `-compile-cache-remarks`: now cache hit/miss remarks are guarded behind
  this flag
* `-compile-cache-skip`: skip replaying from the cache. Useful as a
  debugging tool to do the compilation using CAS inputs even the output
  is a hit from the cache.
This commit is contained in:
Steven Wu
2023-06-23 09:20:57 -07:00
parent 744e01ea47
commit b78b569450
24 changed files with 104 additions and 82 deletions
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10
lib/Frontend/CachingUtils.cpp
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@@ -142,7 +142,7 @@ createSwiftCachingOutputBackend(
bool replayCachedCompilerOutputs(
ObjectStore &CAS, ActionCache &Cache, ObjectRef BaseKey,
DiagnosticEngine &Diag, const FrontendInputsAndOutputs &InputsAndOutputs,
CachingDiagnosticsProcessor &CDP) {
CachingDiagnosticsProcessor &CDP, bool CacheRemarks) {
clang::cas::CompileJobResultSchema Schema(CAS);
bool CanReplayAllOutput = true;
struct OutputEntry {
@@ -173,8 +173,9 @@ bool replayCachedCompilerOutputs(
return None;
}
if (!*Lookup) {
Diag.diagnose(SourceLoc(), diag::output_cache_miss, OutputPath,
OutputKeyID.toString());
if (CacheRemarks)
Diag.diagnose(SourceLoc(), diag::output_cache_miss, OutputPath,
OutputKeyID.toString());
return None;
}
auto OutputRef = CAS.getReference(**Lookup);
@@ -261,7 +262,8 @@ bool replayCachedCompilerOutputs(
toString(std::move(E)));
continue;
}
Diag.diagnose(SourceLoc(), diag::replay_output, Output.Path, Output.Key);
if (CacheRemarks)
Diag.diagnose(SourceLoc(), diag::replay_output, Output.Path, Output.Key);
}
return true;