C++: Remove redundant SSA branch after IR fix

2026-02-12 05:01:06 +01:00 · 2026-01-06 17:40:52 +01:00
parent 3cd9938ebe
commit 063e5d300e
1 changed files with 3 additions and 8 deletions
--- a/cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/SsaImplCommon.qll
+++ b/cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/SsaImplCommon.qll
@@ -688,14 +688,9 @@ private module Cached {
      conversionFlow(mid, instr, false, _)
    )
    or
-    exists(int ind0 |
-      exists(Operand address |
-        isDereference(operand.getDef(), address, _) and
-        isUseImpl(address, base, ind0)
-      )
-      or
-      isUseImpl(operand.getDef().(InitializeParameterInstruction).getAnOperand(), base, ind0)
-    |
+    exists(int ind0, Operand address |
+      isDereference(operand.getDef(), address, _) and
+      isUseImpl(address, base, ind0) and
      ind0 = ind - 1
    )
  }