From 1bf1220ef5a723793035e7f21d708d3201842959 Mon Sep 17 00:00:00 2001
From: Vladimir Marko <vmarko@google.com>
Date: Wed, 22 Jan 2025 15:34:37 +0000
Subject: Optimizing: Generate `HSelect` if there are more phis...

... as long as they have identical inputs at the relevant
indexes.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Change-Id: I40168de61d2dfe1143786a2e4a27549cc54b0451
---
 compiler/optimizing/optimizing_unit_test.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'compiler/optimizing/optimizing_unit_test.h')

diff --git a/compiler/optimizing/optimizing_unit_test.h b/compiler/optimizing/optimizing_unit_test.h
index 21998b19da..d81f3804dc 100644
--- a/compiler/optimizing/optimizing_unit_test.h
+++ b/compiler/optimizing/optimizing_unit_test.h
@@ -957,6 +957,16 @@ class OptimizingUnitTestHelper {
     return val;
   }
 
+  static bool PredecessorsEqual(HBasicBlock* block,
+                                std::initializer_list<HBasicBlock*> expected) {
+    return RangeEquals(block->GetPredecessors(), expected);
+  }
+
+  static bool InputsEqual(HInstruction* instruction,
+                          std::initializer_list<HInstruction*> expected) {
+    return RangeEquals(instruction->GetInputs(), expected);
+  }
+
   // Returns if the `instruction` is removed from the graph.
   static inline bool IsRemoved(HInstruction* instruction) {
     return instruction->GetBlock() == nullptr;
@@ -975,6 +985,12 @@ class OptimizingUnitTestHelper {
     return checker.IsValid();
   }
 
+  template <typename Range, typename ElementType>
+  static bool RangeEquals(Range&& range, std::initializer_list<ElementType> expected) {
+    return std::distance(range.begin(), range.end()) == expected.size() &&
+           std::equal(range.begin(), range.end(), expected.begin());
+  }
+
   std::vector<std::unique_ptr<const StandardDexFile>> dex_files_;
   std::unique_ptr<ArenaPoolAndAllocator> pool_and_allocator_;
 
-- 
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