[llvm] [AMDGPU] Avoid repeated hash lookups (NFC) (PR #128298)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/128298.diff


1 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/SIWholeQuadMode.cpp (+4-3) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SIWholeQuadMode.cpp b/llvm/lib/Target/AMDGPU/SIWholeQuadMode.cpp
index 3293602db0901..fd20636a31ff5 100644
--- a/llvm/lib/Target/AMDGPU/SIWholeQuadMode.cpp
+++ b/llvm/lib/Target/AMDGPU/SIWholeQuadMode.cpp
@@ -1760,9 +1760,10 @@ bool SIWholeQuadMode::run(MachineFunction &MF) {
   for (MachineInstr *MI : SetInactiveInstrs) {
     if (LowerToCopyInstrs.contains(MI))
       continue;
-    if (Instructions[MI].MarkedStates & StateStrict) {
-      Instructions[MI].Needs |= StateStrictWWM;
-      Instructions[MI].Disabled &= ~StateStrictWWM;
+    auto &Info = Instructions[MI];
+    if (Info.MarkedStates & StateStrict) {
+      Info.Needs |= StateStrictWWM;
+      Info.Disabled &= ~StateStrictWWM;
       Blocks[MI->getParent()].Needs |= StateStrictWWM;
     } else {
       LLVM_DEBUG(dbgs() << "Has no WWM marking: " << *MI);

``````````

</details>


https://github.com/llvm/llvm-project/pull/128298