[PATCH] D104049: [AMDGPU] [CodeGen] Fold negate llvm.amdgcn.class into test mask

[Anshil Gandhi via Phabricator via llvm-commits]

gandhi21299 marked 3 inline comments as done.
gandhi21299 added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp:1474
+      IntrinsicCall->setArgOperand(
+          1, Builder.CreateNot(IntrinsicCall->getOperand(1)));
+      if (isa<CallInst>(ExtCall))
----------------
arsenm wrote:
> Since you know it's a constant, you can also 0 the irrelevant high bits
Do I use IRBuilder to do this or is there a simpler way?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D104049/new/

https://reviews.llvm.org/D104049