Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/X86/splat-const.ll

@@ -1,40 +0,0 @@
-; RUN: llc < %s -mcpu=penryn | FileCheck %s --check-prefix=SSE
-; RUN: llc < %s -mcpu=sandybridge | FileCheck %s --check-prefix=AVX
-; RUN: llc < %s -mcpu=haswell | FileCheck %s --check-prefix=AVX2
-; This checks that lowering for creation of constant vectors is sane and
-; doesn't use redundant shuffles. (fixes PR22276)
-target triple = "x86_64-unknown-unknown"
-
-define <4 x i32> @zero_vector() {
-; SSE-LABEL: zero_vector:
-; SSE: xorps %xmm0, %xmm0
-; SSE-NEXT: retq
-; AVX-LABEL: zero_vector:
-; AVX: vxorps %xmm0, %xmm0, %xmm0
-; AVX-NEXT: retq
-; AVX2-LABEL: zero_vector:
-; AVX2: vxorps %xmm0, %xmm0, %xmm0
-; AVX2-NEXT: retq
-  %zero = insertelement <4 x i32> undef, i32 0, i32 0
-  %splat = shufflevector <4 x i32> %zero, <4 x i32> undef, <4 x i32> zeroinitializer
-  ret <4 x i32> %splat
-}
-
-; Note that for the "const_vector" versions, lowering that uses a shuffle
-; instead of a load would be legitimate, if it's a single broadcast shuffle.
-; (as opposed to the previous mess)
-; However, this is not the current preferred lowering.
-define <4 x i32> @const_vector() {
-; SSE-LABEL: const_vector:
-; SSE: movaps {{.*}}, %xmm0 # xmm0 = [42,42,42,42]
-; SSE-NEXT: retq
-; AVX-LABEL: const_vector:
-; AVX: vmovaps {{.*}}, %xmm0 # xmm0 = [42,42,42,42]
-; AVX-NEXT: retq
-; AVX2-LABEL: const_vector:
-; AVX2: vbroadcastss {{[^%].*}}, %xmm0
-; AVX2-NEXT: retq
-  %const = insertelement <4 x i32> undef, i32 42, i32 0
-  %splat = shufflevector <4 x i32> %const, <4 x i32> undef, <4 x i32> zeroinitializer
-  ret <4 x i32> %splat
-}