[llvm] [CaptureTracking] Supports analysis for derived pointers (PR #132744)

[Antonio Frighetto via llvm-commits]

================
@@ -132,3 +132,31 @@ TEST(CaptureTracking, MultipleUsesInSameInstruction) {
   EXPECT_EQ(ICmp, CT.Captures[6]->getUser());
   EXPECT_EQ(1u, CT.Captures[6]->getOperandNo());
 }
+
+TEST(CaptureTracking, DerivedPointerIfBasePointerCaptured) {
+  StringRef Assembly = R"(
+    declare void @bar(ptr)
+
+    define void @test() {
+      %stkobj = alloca [2 x i32]
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antoniofrighetto wrote:

```suggestion
      %stack_obj = alloca [2 x i32]
```

https://github.com/llvm/llvm-project/pull/132744