[llvm] [X86] Try Folding icmp of v8i32 -> fcmp of v8f32 on AVX (PR #82290)

[via llvm-commits]

================
@@ -10,10 +10,11 @@
 define <8 x i16> @pr25080(<8 x i32> %a) {
 ; AVX1-LABEL: pr25080:
 ; AVX1:       # %bb.0: # %entry
+; AVX1-NEXT:    vandps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %ymm0, %ymm0
+; AVX1-NEXT:    vcvtdq2ps %ymm0, %ymm0
 ; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm0
-; AVX1-NEXT:    vpand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
-; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX1-NEXT:    vpcmpeqd %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vxorps %xmm1, %xmm1, %xmm1
+; AVX1-NEXT:    vcmpeqps %xmm1, %xmm0, %xmm0
----------------
goldsteinn wrote:

Going to drop actually, doesn't seem to yield in benefits for any targets.

https://github.com/llvm/llvm-project/pull/82290