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Unified Diff: src/compiler/arm64/instruction-selector-arm64.cc

Issue 1158563008: [turbofan] Introduce prediction for exception handlers. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Architecture ports. Created 5 years, 7 months ago
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Index: src/compiler/arm64/instruction-selector-arm64.cc
diff --git a/src/compiler/arm64/instruction-selector-arm64.cc b/src/compiler/arm64/instruction-selector-arm64.cc
index 88871f5c572d1f379c206c1ace0f52df431ebc1d..3077ade7295e0d2269f639fd914c24dabc046c7a 100644
--- a/src/compiler/arm64/instruction-selector-arm64.cc
+++ b/src/compiler/arm64/instruction-selector-arm64.cc
@@ -1276,6 +1276,11 @@ void InstructionSelector::VisitCall(Node* node, BasicBlock* handler) {
// Pass label of exception handler block.
CallDescriptor::Flags flags = descriptor->flags();
if (handler != nullptr) {
+ DCHECK_EQ(IrOpcode::kIfException, handler->front()->opcode());
+ IfExceptionHint hint = OpParameter<IfExceptionHint>(handler->front());
+ if (hint == IfExceptionHint::kLocallyCaught) {
+ flags |= CallDescriptor::kHasLocalCatchHandler;
+ }
flags |= CallDescriptor::kHasExceptionHandler;
buffer.instruction_args.push_back(g.Label(handler));
}
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