[llvm] [AMDGPU][SDAG] Legalise v2i32 or/xor/and instructions to make use of 64-bit wide instructions (PR #140694)

[Chris Jackson via llvm-commits]

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@@ -4097,7 +4144,9 @@ SDValue AMDGPUTargetLowering::performShlCombine(SDNode *N,
   if (VT.getScalarType() != MVT::i64)
     return SDValue();
 
-  // i64 (shl x, C) -> (build_pair 0, (shl x, C - 32))
+
+
+  // i64 (shl x, C) -> (build_pair 0, (shl x, C -32))
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chrisjbris wrote:

removed, thanks.

https://github.com/llvm/llvm-project/pull/140694