[llvm] [X86] matchUnaryShuffle - add support for matching 512-bit extension patterns. (PR #127643)

[Phoebe Wang via llvm-commits]

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@@ -7767,7 +7767,7 @@ define void @store_i8_stride8_vf64(ptr %in.vecptr0, ptr %in.vecptr1, ptr %in.vec
 ; AVX512DQ-NEXT:    vpshufd {{.*#+}} ymm2 = ymm13[0,1,1,3,4,5,5,7]
 ; AVX512DQ-NEXT:    vpshufd {{.*#+}} ymm3 = ymm15[2,1,3,3,6,5,7,7]
 ; AVX512DQ-NEXT:    vinserti64x4 $1, %ymm3, %zmm2, %zmm2
-; AVX512DQ-NEXT:    vpternlogq {{.*#+}} zmm12 = zmm2 ^ (zmm11 & (zmm12 ^ zmm2))
+; AVX512DQ-NEXT:    vpternlogq {{.*#+}} zmm12 = zmm12 | (zmm2 & ~zmm11)
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phoebewang wrote:

Changes in this file seem totally unrelated.

https://github.com/llvm/llvm-project/pull/127643