[llvm] [llvm][CodeGen] Fix failure in window scheduler caused by phi (PR #95900)

[Hua Tian via llvm-commits]

=?utf-8?b?4oCcYWtpcmF0aWFu4oCd?= <akiratian at tencent.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/95900 at github.com>


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@@ -198,6 +198,12 @@ bool WindowScheduler::initialize() {
     if (MI.isMetaInstruction() || MI.isTerminator())
       continue;
     if (MI.isPHI()) {
+      if (Register AntiReg = getAntiRegister(&MI))
+        // Register with Kernel in phi is not defined within the Kernel itself.
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huaatian wrote:

Updated

https://github.com/llvm/llvm-project/pull/95900