Create FDO stub actions during the analysis of the cc_toolchain rule for the optimized configuration instead of for every single cc_library rule that compiles optimized code.

This makes Blaze create many less FDO stub actions and almost always makes them non-shared.

--
PiperOrigin-RevId: 146665855
MOS_MIGRATED_REVID=146665855

1 files changed, 27 insertions, 1 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/FdoSupportProvider.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/FdoSupportProvider.java
index f97621421a..849b9c805e 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/FdoSupportProvider.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/FdoSupportProvider.java
@@ -13,8 +13,11 @@
 // limitations under the License.
 package com.google.devtools.build.lib.rules.cpp;
 
+import com.google.common.collect.ImmutableMap;
+import com.google.devtools.build.lib.actions.Artifact;
 import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
 import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
+import com.google.devtools.build.lib.vfs.PathFragment;
 
 /**
  * A {@link TransitiveInfoProvider} so that {@code cc_toolchain} can pass {@link FdoSupport} to the
@@ -23,12 +26,35 @@ import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
 @Immutable
 public class FdoSupportProvider implements TransitiveInfoProvider {
   private final FdoSupport fdoSupport;
+  private final Artifact profileArtifact;
+  // We *probably* don't need both an AutoFDO profile artifact and a profile artifact. However,
+  // the decision whether to make the latter seems to depend on the feature configuration of the
+  // eventual cc_binary rule, which we don't have in cc_toolchain, so we just create both because
+  // one extra artifact doesn't harm anyone.
+  private final Artifact autoProfileArtifact;
+  private final ImmutableMap<PathFragment, Artifact> gcdaArtifacts;
 
-  public FdoSupportProvider(FdoSupport fdoSupport) {
+  public FdoSupportProvider(FdoSupport fdoSupport, Artifact profileArtifact,
+      Artifact autoProfileArtifact, ImmutableMap<PathFragment, Artifact> gcdaArtifacts) {
     this.fdoSupport = fdoSupport;
+    this.profileArtifact = profileArtifact;
+    this.autoProfileArtifact = autoProfileArtifact;
+    this.gcdaArtifacts = gcdaArtifacts;
   }
 
   public FdoSupport getFdoSupport() {
     return fdoSupport;
   }
+
+  public Artifact getProfileArtifact() {
+    return profileArtifact;
+  }
+
+  public Artifact getAutoProfileArtifact() {
+    return autoProfileArtifact;
+  }
+
+  public ImmutableMap<PathFragment, Artifact> getGcdaArtifacts() {
+    return gcdaArtifacts;
+  }
 }