[llvm] [X86] Avoid repeated hash lookups (NFC) (PR #131069)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-x86

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/131069.diff


1 Files Affected:

- (modified) llvm/lib/Target/X86/X86PreTileConfig.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Target/X86/X86PreTileConfig.cpp b/llvm/lib/Target/X86/X86PreTileConfig.cpp
index d176778afef92..f3800d360fdd9 100644
--- a/llvm/lib/Target/X86/X86PreTileConfig.cpp
+++ b/llvm/lib/Target/X86/X86PreTileConfig.cpp
@@ -327,7 +327,7 @@ bool X86PreTileConfig::runOnMachineFunction(MachineFunction &MF) {
     MachineBasicBlock *MBB = CfgLiveInBBs.pop_back_val();
     for (auto *Pred : MBB->predecessors()) {
       auto &Info = BBVisitedInfo[Pred];
-      if (BBVisitedInfo[Pred].LastCall) {
+      if (Info.LastCall) {
         CfgNeedInsert.insert(Info.LastCall);
       } else if (!Info.NeedTileCfgLiveIn) {
         Info.NeedTileCfgLiveIn = true;

``````````

</details>


https://github.com/llvm/llvm-project/pull/131069