allow load users from other blocks of the same loop

ayasin-a · ayasin-a · commit f000a5b2bb62 · 2025-12-01T13:19:52.000+02:00
diff --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
@@ -4827,7 +4827,7 @@ getAppleRuntimeUnrollPreferences(Loop *L, ScalarEvolution &SE,
           // Included 1st users of loaded values
           for (auto *U : I.users()) {
             auto *Inst = cast<Instruction>(U);
-            if (!Inst || Inst->getParent() != BB)
+            if (!Inst)
               continue;
             LoadedValuesPlus.insert(U);
           }

Original file line number	Diff line number	Diff line change
`@@ -4827,7 +4827,7 @@ getAppleRuntimeUnrollPreferences(Loop *L, ScalarEvolution &SE,`
`4827`	`4827`	`// Included 1st users of loaded values`
`4828`	`4828`	`for (auto *U : I.users()) {`
`4829`	`4829`	`auto *Inst = cast<Instruction>(U);`
`4830`		`- if (!Inst \|\| Inst->getParent() != BB)`
	`4830`	`+ if (!Inst)`
`4831`	`4831`	`continue;`
`4832`	`4832`	`LoadedValuesPlus.insert(U);`
`4833`	`4833`	`}`