[PATCH] D38732: [X86][AVX512] Improve lowering of AVX512 test intrinsics

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


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Comment at: lib/Target/X86/X86ISelLowering.cpp:17188
+    SDValue A = peekThroughBitcasts(Op0);
+    SDValue B = peekThroughBitcasts(Op1);
+    APInt C;
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isBuildVectorAllZeros already peeks through bitcasts so you can just check on Op1 directly.


https://reviews.llvm.org/D38732