[PATCH] D111275: [LCG] Don't skip invalidation of LazyCallGraph if CFG analyses are preserved

[Arthur Eubanks via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG259390de9af6: [LCG] Don't skip invalidation of LazyCallGraph if CFG analyses are preserved (authored by aeubanks).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111275/new/

https://reviews.llvm.org/D111275

Files:
  llvm/lib/Analysis/LazyCallGraph.cpp
  llvm/test/Analysis/LazyCallGraph/invalidate.ll


Index: llvm/test/Analysis/LazyCallGraph/invalidate.ll
===================================================================
--- /dev/null
+++ llvm/test/Analysis/LazyCallGraph/invalidate.ll
@@ -0,0 +1,10 @@
+; Make sure we invalidate lcg even when preserving domtree
+; RUN: opt -passes='require<lcg>,function(instcombine)' -debug-pass-manager -disable-output < %s 2>&1 | FileCheck %s
+
+; CHECK: Invalidating {{.*}} LazyCallGraphAnalysis
+
+define void @f() {
+lbl:
+  %a = add i32 1, 2
+  unreachable
+}
Index: llvm/lib/Analysis/LazyCallGraph.cpp
===================================================================
--- llvm/lib/Analysis/LazyCallGraph.cpp
+++ llvm/lib/Analysis/LazyCallGraph.cpp
@@ -220,8 +220,7 @@
   // Check whether the analysis, all analyses on functions, or the function's
   // CFG have been preserved.
   auto PAC = PA.getChecker<llvm::LazyCallGraphAnalysis>();
-  return !(PAC.preserved() || PAC.preservedSet<AllAnalysesOn<Module>>() ||
-           PAC.preservedSet<CFGAnalyses>());
+  return !(PAC.preserved() || PAC.preservedSet<AllAnalysesOn<Module>>());
 }
 
 LazyCallGraph &LazyCallGraph::operator=(LazyCallGraph &&G) {


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