[llvm] [X86] Don't check global nsz flag in x86ISel (PR #174627)

[Phoebe Wang via llvm-commits]

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@@ -950,7 +950,7 @@ define <32 x half> @stack_fold_minph_zmm_commutable_commuted(<32 x half> %a0, <3
 ; CHECK-NEXT:    vminph {{[-0-9]+}}(%r{{[sb]}}p), %zmm0, %zmm0 # 64-byte Folded Reload
 ; CHECK-NEXT:    retq
   %1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{xmm16},~{xmm17},~{xmm18},~{xmm19},~{xmm20},~{xmm21},~{xmm22},~{xmm23},~{xmm24},~{xmm25},~{xmm26},~{xmm27},~{xmm28},~{xmm29},~{xmm30},~{xmm31},~{flags}"()
-  %2 = call <32 x half> @llvm.x86.avx512fp16.min.ph.512(<32 x half> %a1, <32 x half> %a0, i32 4)
+  %2 = call nsz <32 x half> @llvm.x86.avx512fp16.min.ph.512(<32 x half> %a1, <32 x half> %a0, i32 4)
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phoebewang wrote:

Fast flags should not affect target specific intrinsics.

https://github.com/llvm/llvm-project/pull/174627