diff --git a/llvm/lib/Analysis/AssumeBundleQueries.cpp b/llvm/lib/Analysis/AssumeBundleQueries.cpp --- a/llvm/lib/Analysis/AssumeBundleQueries.cpp +++ b/llvm/lib/Analysis/AssumeBundleQueries.cpp @@ -152,10 +152,6 @@ const CallBase::BundleOpInfo *)> Filter) { if (AC) { -#ifndef NDEBUG - RetainedKnowledge RKCheck = - getKnowledgeForValue(V, AttrKinds, nullptr, Filter); -#endif for (AssumptionCache::ResultElem &Elem : AC->assumptionsFor(V)) { IntrinsicInst *II = cast_or_null(Elem.Assume); if (!II || Elem.Index == AssumptionCache::ExprResultIdx) @@ -163,12 +159,9 @@ if (RetainedKnowledge RK = getKnowledgeFromBundle( *II, II->bundle_op_info_begin()[Elem.Index])) if (is_contained(AttrKinds, RK.AttrKind) && - Filter(RK, II, &II->bundle_op_info_begin()[Elem.Index])) { - assert(!!RKCheck && "invalid Assumption cache"); + Filter(RK, II, &II->bundle_op_info_begin()[Elem.Index])) return RK; - } } - assert(!RKCheck && "invalid Assumption cache"); return RetainedKnowledge::none(); } for (auto &U : V->uses()) { diff --git a/llvm/lib/Transforms/Utils/AssumeBundleBuilder.cpp b/llvm/lib/Transforms/Utils/AssumeBundleBuilder.cpp --- a/llvm/lib/Transforms/Utils/AssumeBundleBuilder.cpp +++ b/llvm/lib/Transforms/Utils/AssumeBundleBuilder.cpp @@ -202,7 +202,7 @@ void llvm::salvageKnowledge(Instruction *I, AssumptionCache *AC, DominatorTree *DT) { - if (!EnableKnowledgeRetention) + if (!EnableKnowledgeRetention || I->isTerminator()) return; AssumeBuilderState Builder(I->getModule(), I, AC, DT); Builder.addInstruction(I); diff --git a/llvm/test/Transforms/Util/assume-builder.ll b/llvm/test/Transforms/Util/assume-builder.ll --- a/llvm/test/Transforms/Util/assume-builder.ll +++ b/llvm/test/Transforms/Util/assume-builder.ll @@ -901,3 +901,81 @@ 12: ; preds = %6, %4 ret i32 0 } + +declare void @may_throwv2(i32* %P) + +define dso_local i32 @terminator(i32* %P) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { +; BASIC-LABEL: define {{[^@]+}}@terminator +; BASIC-SAME: (i32* [[P:%.*]]) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) +; BASIC-NEXT: invoke void @may_throwv2(i32* nonnull [[P]]) +; BASIC-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH:%.*]] +; BASIC: Catch: +; BASIC-NEXT: [[V:%.*]] = landingpad { i8*, i32 } +; BASIC-NEXT: catch i8* null +; BASIC-NEXT: br label [[EXIT]] +; BASIC: Exit: +; BASIC-NEXT: [[DOT0:%.*]] = phi i32 [ 1, [[TMP0:%.*]] ], [ 0, [[CATCH]] ] +; BASIC-NEXT: ret i32 [[DOT0]] +; +; ALL-LABEL: define {{[^@]+}}@terminator +; ALL-SAME: (i32* [[P:%.*]]) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) +; ALL-NEXT: invoke void @may_throwv2(i32* nonnull [[P]]) +; ALL-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH:%.*]] +; ALL: Catch: +; ALL-NEXT: [[V:%.*]] = landingpad { i8*, i32 } +; ALL-NEXT: catch i8* null +; ALL-NEXT: br label [[EXIT]] +; ALL: Exit: +; ALL-NEXT: [[DOT0:%.*]] = phi i32 [ 1, [[TMP0:%.*]] ], [ 0, [[CATCH]] ] +; ALL-NEXT: ret i32 [[DOT0]] +; +; WITH-AC-LABEL: define {{[^@]+}}@terminator +; WITH-AC-SAME: (i32* [[P:%.*]]) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) +; WITH-AC-NEXT: invoke void @may_throwv2(i32* nonnull [[P]]) +; WITH-AC-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH:%.*]] +; WITH-AC: Catch: +; WITH-AC-NEXT: [[V:%.*]] = landingpad { i8*, i32 } +; WITH-AC-NEXT: catch i8* null +; WITH-AC-NEXT: br label [[EXIT]] +; WITH-AC: Exit: +; WITH-AC-NEXT: [[DOT0:%.*]] = phi i32 [ 1, [[TMP0:%.*]] ], [ 0, [[CATCH]] ] +; WITH-AC-NEXT: ret i32 [[DOT0]] +; +; CROSS-BLOCK-LABEL: define {{[^@]+}}@terminator +; CROSS-BLOCK-SAME: (i32* [[P:%.*]]) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) +; CROSS-BLOCK-NEXT: invoke void @may_throwv2(i32* nonnull [[P]]) +; CROSS-BLOCK-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH:%.*]] +; CROSS-BLOCK: Catch: +; CROSS-BLOCK-NEXT: [[V:%.*]] = landingpad { i8*, i32 } +; CROSS-BLOCK-NEXT: catch i8* null +; CROSS-BLOCK-NEXT: br label [[EXIT]] +; CROSS-BLOCK: Exit: +; CROSS-BLOCK-NEXT: [[DOT0:%.*]] = phi i32 [ 1, [[TMP0:%.*]] ], [ 0, [[CATCH]] ] +; CROSS-BLOCK-NEXT: ret i32 [[DOT0]] +; +; FULL-SIMPLIFY-LABEL: define {{[^@]+}}@terminator +; FULL-SIMPLIFY-SAME: (i32* [[P:%.*]]) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) +; FULL-SIMPLIFY-NEXT: invoke void @may_throwv2(i32* nonnull [[P]]) +; FULL-SIMPLIFY-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH:%.*]] +; FULL-SIMPLIFY: Catch: +; FULL-SIMPLIFY-NEXT: [[V:%.*]] = landingpad { i8*, i32 } +; FULL-SIMPLIFY-NEXT: catch i8* null +; FULL-SIMPLIFY-NEXT: br label [[EXIT]] +; FULL-SIMPLIFY: Exit: +; FULL-SIMPLIFY-NEXT: [[DOT0:%.*]] = phi i32 [ 1, [[TMP0:%.*]] ], [ 0, [[CATCH]] ] +; FULL-SIMPLIFY-NEXT: ret i32 [[DOT0]] +; + invoke void @may_throwv2(i32* nonnull %P) + to label %Exit unwind label %Catch + +Catch: ; preds = %0 + %v = landingpad { i8*, i32 } + catch i8* null + br label %Exit + +Exit: ; preds = %7, %5 + %.0 = phi i32 [ 1, %0 ], [ 0, %Catch ] + ret i32 %.0 +} + +declare dso_local i32 @__gxx_personality_v0(...)