diff --git a/llvm/test/Analysis/CostModel/X86/vshift-ashr-cost.ll b/llvm/test/Analysis/CostModel/X86/vshift-ashr-cost.ll index 7ff1130ae545..7210cd838102 100644 --- a/llvm/test/Analysis/CostModel/X86/vshift-ashr-cost.ll +++ b/llvm/test/Analysis/CostModel/X86/vshift-ashr-cost.ll @@ -177,130 +177,140 @@ define <64 x i8> @var_shift_v64i8(<64 x i8> %a, <64 x i8> %b) { ; Uniform Variable Shifts ; -define <2 x i64> @splatvar_shift_v2i64(<2 x i64> %a, <2 x i64> %b) { +define <2 x i64> @splatvar_shift_v2i64(<2 x i64> %a, i64 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v2i64': -; SSE2: Found an estimated cost of 12 for instruction: %shift -; SSE41: Found an estimated cost of 12 for instruction: %shift -; AVX: Found an estimated cost of 12 for instruction: %shift +; SSE2: Found an estimated cost of 4 for instruction: %shift +; SSE41: Found an estimated cost of 4 for instruction: %shift +; AVX: Found an estimated cost of 4 for instruction: %shift ; AVX2: Found an estimated cost of 4 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOP: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <2 x i64> %b, <2 x i64> undef, <2 x i32> zeroinitializer + %insert = insertelement <2 x i64> undef, i64 %b, i32 0 + %splat = shufflevector <2 x i64> %insert, <2 x i64> undef, <2 x i32> zeroinitializer %shift = ashr <2 x i64> %a, %splat ret <2 x i64> %shift } -define <4 x i64> @splatvar_shift_v4i64(<4 x i64> %a, <4 x i64> %b) { +define <4 x i64> @splatvar_shift_v4i64(<4 x i64> %a, i64 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v4i64': -; SSE2: Found an estimated cost of 24 for instruction: %shift -; SSE41: Found an estimated cost of 24 for instruction: %shift -; AVX: Found an estimated cost of 24 for instruction: %shift -; AVX2: Found an estimated cost of 4 for instruction: %shift +; SSE2: Found an estimated cost of 8 for instruction: %shift +; SSE41: Found an estimated cost of 8 for instruction: %shift +; AVX: Found an estimated cost of 8 for instruction: %shift +; AVX2: Found an estimated cost of 8 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift -; XOP: Found an estimated cost of 4 for instruction: %shift - %splat = shufflevector <4 x i64> %b, <4 x i64> undef, <4 x i32> zeroinitializer +; XOPAVX: Found an estimated cost of 4 for instruction: %shift +; XOPAVX2: Found an estimated cost of 4 for instruction: %shift + %insert = insertelement <4 x i64> undef, i64 %b, i32 0 + %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer %shift = ashr <4 x i64> %a, %splat ret <4 x i64> %shift } -define <8 x i64> @splatvar_shift_v8i64(<8 x i64> %a, <8 x i64> %b) { +define <8 x i64> @splatvar_shift_v8i64(<8 x i64> %a, i64 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i64': -; SSE2: Found an estimated cost of 48 for instruction: %shift -; SSE41: Found an estimated cost of 48 for instruction: %shift -; AVX: Found an estimated cost of 48 for instruction: %shift -; AVX2: Found an estimated cost of 8 for instruction: %shift +; SSE2: Found an estimated cost of 16 for instruction: %shift +; SSE41: Found an estimated cost of 16 for instruction: %shift +; AVX: Found an estimated cost of 16 for instruction: %shift +; AVX2: Found an estimated cost of 16 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift -; XOP: Found an estimated cost of 8 for instruction: %shift - %splat = shufflevector <8 x i64> %b, <8 x i64> undef, <8 x i32> zeroinitializer +; XOPAVX: Found an estimated cost of 8 for instruction: %shift +; XOPAVX2: Found an estimated cost of 8 for instruction: %shift + %insert = insertelement <8 x i64> undef, i64 %b, i32 0 + %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer %shift = ashr <8 x i64> %a, %splat ret <8 x i64> %shift } -define <4 x i32> @splatvar_shift_v4i32(<4 x i32> %a, <4 x i32> %b) { +define <4 x i32> @splatvar_shift_v4i32(<4 x i32> %a, i32 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v4i32': -; SSE2: Found an estimated cost of 16 for instruction: %shift -; SSE41: Found an estimated cost of 12 for instruction: %shift -; AVX: Found an estimated cost of 12 for instruction: %shift +; SSE2: Found an estimated cost of 1 for instruction: %shift +; SSE41: Found an estimated cost of 1 for instruction: %shift +; AVX: Found an estimated cost of 1 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift -; XOPAVX: Found an estimated cost of 2 for instruction: %shift -; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <4 x i32> %b, <4 x i32> undef, <4 x i32> zeroinitializer +; XOP: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <4 x i32> undef, i32 %b, i32 0 + %splat = shufflevector <4 x i32> %insert, <4 x i32> undef, <4 x i32> zeroinitializer %shift = ashr <4 x i32> %a, %splat ret <4 x i32> %shift } -define <8 x i32> @splatvar_shift_v8i32(<8 x i32> %a, <8 x i32> %b) { +define <8 x i32> @splatvar_shift_v8i32(<8 x i32> %a, i32 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i32': -; SSE2: Found an estimated cost of 32 for instruction: %shift -; SSE41: Found an estimated cost of 24 for instruction: %shift -; AVX: Found an estimated cost of 24 for instruction: %shift +; SSE2: Found an estimated cost of 2 for instruction: %shift +; SSE41: Found an estimated cost of 2 for instruction: %shift +; AVX: Found an estimated cost of 2 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 4 for instruction: %shift ; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <8 x i32> %b, <8 x i32> undef, <8 x i32> zeroinitializer + %insert = insertelement <8 x i32> undef, i32 %b, i32 0 + %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer %shift = ashr <8 x i32> %a, %splat ret <8 x i32> %shift } -define <16 x i32> @splatvar_shift_v16i32(<16 x i32> %a, <16 x i32> %b) { +define <16 x i32> @splatvar_shift_v16i32(<16 x i32> %a, i32 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i32': -; SSE2: Found an estimated cost of 64 for instruction: %shift -; SSE41: Found an estimated cost of 48 for instruction: %shift -; AVX: Found an estimated cost of 48 for instruction: %shift +; SSE2: Found an estimated cost of 4 for instruction: %shift +; SSE41: Found an estimated cost of 4 for instruction: %shift +; AVX: Found an estimated cost of 4 for instruction: %shift ; AVX2: Found an estimated cost of 2 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 8 for instruction: %shift ; XOPAVX2: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <16 x i32> %b, <16 x i32> undef, <16 x i32> zeroinitializer + %insert = insertelement <16 x i32> undef, i32 %b, i32 0 + %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer %shift = ashr <16 x i32> %a, %splat ret <16 x i32> %shift } -define <8 x i16> @splatvar_shift_v8i16(<8 x i16> %a, <8 x i16> %b) { +define <8 x i16> @splatvar_shift_v8i16(<8 x i16> %a, i16 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i16': -; SSE2: Found an estimated cost of 32 for instruction: %shift -; SSE41: Found an estimated cost of 14 for instruction: %shift -; AVX: Found an estimated cost of 14 for instruction: %shift -; AVX2: Found an estimated cost of 14 for instruction: %shift -; AVX512: Found an estimated cost of 14 for instruction: %shift -; XOP: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <8 x i16> %b, <8 x i16> undef, <8 x i32> zeroinitializer +; SSE2: Found an estimated cost of 1 for instruction: %shift +; SSE41: Found an estimated cost of 1 for instruction: %shift +; AVX: Found an estimated cost of 1 for instruction: %shift +; AVX2: Found an estimated cost of 1 for instruction: %shift +; AVX512: Found an estimated cost of 1 for instruction: %shift +; XOP: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <8 x i16> undef, i16 %b, i32 0 + %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer %shift = ashr <8 x i16> %a, %splat ret <8 x i16> %shift } -define <16 x i16> @splatvar_shift_v16i16(<16 x i16> %a, <16 x i16> %b) { +define <16 x i16> @splatvar_shift_v16i16(<16 x i16> %a, i16 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i16': -; SSE2: Found an estimated cost of 64 for instruction: %shift -; SSE41: Found an estimated cost of 28 for instruction: %shift -; AVX: Found an estimated cost of 28 for instruction: %shift -; AVX2: Found an estimated cost of 10 for instruction: %shift -; AVX512: Found an estimated cost of 10 for instruction: %shift -; XOP: Found an estimated cost of 4 for instruction: %shift - %splat = shufflevector <16 x i16> %b, <16 x i16> undef, <16 x i32> zeroinitializer +; SSE2: Found an estimated cost of 2 for instruction: %shift +; SSE41: Found an estimated cost of 2 for instruction: %shift +; AVX: Found an estimated cost of 2 for instruction: %shift +; AVX2: Found an estimated cost of 1 for instruction: %shift +; AVX512: Found an estimated cost of 1 for instruction: %shift +; XOPAVX: Found an estimated cost of 4 for instruction: %shift +; XOPAVX2: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <16 x i16> undef, i16 %b, i32 0 + %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer %shift = ashr <16 x i16> %a, %splat ret <16 x i16> %shift } -define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, <32 x i16> %b) { +define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, i16 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v32i16': -; SSE2: Found an estimated cost of 128 for instruction: %shift -; SSE41: Found an estimated cost of 56 for instruction: %shift -; AVX: Found an estimated cost of 56 for instruction: %shift -; AVX2: Found an estimated cost of 20 for instruction: %shift -; AVX512F: Found an estimated cost of 20 for instruction: %shift +; SSE2: Found an estimated cost of 4 for instruction: %shift +; SSE41: Found an estimated cost of 4 for instruction: %shift +; AVX: Found an estimated cost of 4 for instruction: %shift +; AVX2: Found an estimated cost of 2 for instruction: %shift +; AVX512F: Found an estimated cost of 2 for instruction: %shift ; AVX512BW: Found an estimated cost of 1 for instruction: %shift -; AVX512VL: Found an estimated cost of 20 for instruction: %shift -; AVX512BWVL: Found an estimated cost of 1 for instruction: %shift -; XOP: Found an estimated cost of 8 for instruction: %shift - %splat = shufflevector <32 x i16> %b, <32 x i16> undef, <32 x i32> zeroinitializer +; XOPAVX: Found an estimated cost of 8 for instruction: %shift +; XOPAVX2: Found an estimated cost of 2 for instruction: %shift + %insert = insertelement <32 x i16> undef, i16 %b, i32 0 + %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer %shift = ashr <32 x i16> %a, %splat ret <32 x i16> %shift } -define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, <16 x i8> %b) { +define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, i8 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i8': ; SSE2: Found an estimated cost of 54 for instruction: %shift ; SSE41: Found an estimated cost of 24 for instruction: %shift @@ -308,12 +318,13 @@ define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, <16 x i8> %b) { ; AVX2: Found an estimated cost of 24 for instruction: %shift ; AVX512: Found an estimated cost of 24 for instruction: %shift ; XOP: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <16 x i8> %b, <16 x i8> undef, <16 x i32> zeroinitializer + %insert = insertelement <16 x i8> undef, i8 %b, i32 0 + %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer %shift = ashr <16 x i8> %a, %splat ret <16 x i8> %shift } -define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, <32 x i8> %b) { +define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, i8 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v32i8': ; SSE2: Found an estimated cost of 108 for instruction: %shift ; SSE41: Found an estimated cost of 48 for instruction: %shift @@ -321,12 +332,13 @@ define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, <32 x i8> %b) { ; AVX2: Found an estimated cost of 24 for instruction: %shift ; AVX512: Found an estimated cost of 24 for instruction: %shift ; XOP: Found an estimated cost of 4 for instruction: %shift - %splat = shufflevector <32 x i8> %b, <32 x i8> undef, <32 x i32> zeroinitializer + %insert = insertelement <32 x i8> undef, i8 %b, i32 0 + %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer %shift = ashr <32 x i8> %a, %splat ret <32 x i8> %shift } -define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, <64 x i8> %b) { +define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, i8 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v64i8': ; SSE2: Found an estimated cost of 216 for instruction: %shift ; SSE41: Found an estimated cost of 96 for instruction: %shift @@ -337,7 +349,8 @@ define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, <64 x i8> %b) { ; AVX512VL: Found an estimated cost of 48 for instruction: %shift ; AVX512BWVL: Found an estimated cost of 24 for instruction: %shift ; XOP: Found an estimated cost of 8 for instruction: %shift - %splat = shufflevector <64 x i8> %b, <64 x i8> undef, <64 x i32> zeroinitializer + %insert = insertelement <64 x i8> undef, i8 %b, i32 0 + %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer %shift = ashr <64 x i8> %a, %splat ret <64 x i8> %shift } diff --git a/llvm/test/Analysis/CostModel/X86/vshift-lshr-cost.ll b/llvm/test/Analysis/CostModel/X86/vshift-lshr-cost.ll index 1e0fbce710ef..77d9e22062cb 100644 --- a/llvm/test/Analysis/CostModel/X86/vshift-lshr-cost.ll +++ b/llvm/test/Analysis/CostModel/X86/vshift-lshr-cost.ll @@ -177,133 +177,140 @@ define <64 x i8> @var_shift_v64i8(<64 x i8> %a, <64 x i8> %b) { ; Uniform Variable Shifts ; -define <2 x i64> @splatvar_shift_v2i64(<2 x i64> %a, <2 x i64> %b) { +define <2 x i64> @splatvar_shift_v2i64(<2 x i64> %a, i64 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v2i64': -; SSE2: Found an estimated cost of 4 for instruction: %shift -; SSE41: Found an estimated cost of 4 for instruction: %shift -; AVX: Found an estimated cost of 4 for instruction: %shift +; SSE2: Found an estimated cost of 1 for instruction: %shift +; SSE41: Found an estimated cost of 1 for instruction: %shift +; AVX: Found an estimated cost of 1 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift -; XOPAVX: Found an estimated cost of 2 for instruction: %shift -; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <2 x i64> %b, <2 x i64> undef, <2 x i32> zeroinitializer +; XOP: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <2 x i64> undef, i64 %b, i32 0 + %splat = shufflevector <2 x i64> %insert, <2 x i64> undef, <2 x i32> zeroinitializer %shift = lshr <2 x i64> %a, %splat ret <2 x i64> %shift } -define <4 x i64> @splatvar_shift_v4i64(<4 x i64> %a, <4 x i64> %b) { +define <4 x i64> @splatvar_shift_v4i64(<4 x i64> %a, i64 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v4i64': -; SSE2: Found an estimated cost of 8 for instruction: %shift -; SSE41: Found an estimated cost of 8 for instruction: %shift -; AVX: Found an estimated cost of 8 for instruction: %shift +; SSE2: Found an estimated cost of 2 for instruction: %shift +; SSE41: Found an estimated cost of 2 for instruction: %shift +; AVX: Found an estimated cost of 2 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 4 for instruction: %shift ; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <4 x i64> %b, <4 x i64> undef, <4 x i32> zeroinitializer + %insert = insertelement <4 x i64> undef, i64 %b, i32 0 + %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer %shift = lshr <4 x i64> %a, %splat ret <4 x i64> %shift } -define <8 x i64> @splatvar_shift_v8i64(<8 x i64> %a, <8 x i64> %b) { +define <8 x i64> @splatvar_shift_v8i64(<8 x i64> %a, i64 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i64': -; SSE2: Found an estimated cost of 16 for instruction: %shift -; SSE41: Found an estimated cost of 16 for instruction: %shift -; AVX: Found an estimated cost of 16 for instruction: %shift +; SSE2: Found an estimated cost of 4 for instruction: %shift +; SSE41: Found an estimated cost of 4 for instruction: %shift +; AVX: Found an estimated cost of 4 for instruction: %shift ; AVX2: Found an estimated cost of 2 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 8 for instruction: %shift ; XOPAVX2: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <8 x i64> %b, <8 x i64> undef, <8 x i32> zeroinitializer + %insert = insertelement <8 x i64> undef, i64 %b, i32 0 + %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer %shift = lshr <8 x i64> %a, %splat ret <8 x i64> %shift } -define <4 x i32> @splatvar_shift_v4i32(<4 x i32> %a, <4 x i32> %b) { +define <4 x i32> @splatvar_shift_v4i32(<4 x i32> %a, i32 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v4i32': -; SSE2: Found an estimated cost of 16 for instruction: %shift -; SSE41: Found an estimated cost of 11 for instruction: %shift -; AVX: Found an estimated cost of 11 for instruction: %shift +; SSE2: Found an estimated cost of 1 for instruction: %shift +; SSE41: Found an estimated cost of 1 for instruction: %shift +; AVX: Found an estimated cost of 1 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift -; XOPAVX: Found an estimated cost of 2 for instruction: %shift -; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <4 x i32> %b, <4 x i32> undef, <4 x i32> zeroinitializer +; XOP: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <4 x i32> undef, i32 %b, i32 0 + %splat = shufflevector <4 x i32> %insert, <4 x i32> undef, <4 x i32> zeroinitializer %shift = lshr <4 x i32> %a, %splat ret <4 x i32> %shift } -define <8 x i32> @splatvar_shift_v8i32(<8 x i32> %a, <8 x i32> %b) { +define <8 x i32> @splatvar_shift_v8i32(<8 x i32> %a, i32 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i32': -; SSE2: Found an estimated cost of 32 for instruction: %shift -; SSE41: Found an estimated cost of 22 for instruction: %shift -; AVX: Found an estimated cost of 22 for instruction: %shift +; SSE2: Found an estimated cost of 2 for instruction: %shift +; SSE41: Found an estimated cost of 2 for instruction: %shift +; AVX: Found an estimated cost of 2 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 4 for instruction: %shift ; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <8 x i32> %b, <8 x i32> undef, <8 x i32> zeroinitializer + %insert = insertelement <8 x i32> undef, i32 %b, i32 0 + %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer %shift = lshr <8 x i32> %a, %splat ret <8 x i32> %shift } -define <16 x i32> @splatvar_shift_v16i32(<16 x i32> %a, <16 x i32> %b) { +define <16 x i32> @splatvar_shift_v16i32(<16 x i32> %a, i32 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i32': -; SSE2: Found an estimated cost of 64 for instruction: %shift -; SSE41: Found an estimated cost of 44 for instruction: %shift -; AVX: Found an estimated cost of 44 for instruction: %shift +; SSE2: Found an estimated cost of 4 for instruction: %shift +; SSE41: Found an estimated cost of 4 for instruction: %shift +; AVX: Found an estimated cost of 4 for instruction: %shift ; AVX2: Found an estimated cost of 2 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 8 for instruction: %shift ; XOPAVX2: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <16 x i32> %b, <16 x i32> undef, <16 x i32> zeroinitializer + %insert = insertelement <16 x i32> undef, i32 %b, i32 0 + %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer %shift = lshr <16 x i32> %a, %splat ret <16 x i32> %shift } -define <8 x i16> @splatvar_shift_v8i16(<8 x i16> %a, <8 x i16> %b) { +define <8 x i16> @splatvar_shift_v8i16(<8 x i16> %a, i16 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i16': -; SSE2: Found an estimated cost of 32 for instruction: %shift -; SSE41: Found an estimated cost of 14 for instruction: %shift -; AVX: Found an estimated cost of 14 for instruction: %shift -; AVX2: Found an estimated cost of 14 for instruction: %shift -; AVX512: Found an estimated cost of 14 for instruction: %shift -; XOP: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <8 x i16> %b, <8 x i16> undef, <8 x i32> zeroinitializer +; SSE2: Found an estimated cost of 1 for instruction: %shift +; SSE41: Found an estimated cost of 1 for instruction: %shift +; AVX: Found an estimated cost of 1 for instruction: %shift +; AVX2: Found an estimated cost of 1 for instruction: %shift +; AVX512: Found an estimated cost of 1 for instruction: %shift +; XOP: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <8 x i16> undef, i16 %b, i32 0 + %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer %shift = lshr <8 x i16> %a, %splat ret <8 x i16> %shift } -define <16 x i16> @splatvar_shift_v16i16(<16 x i16> %a, <16 x i16> %b) { +define <16 x i16> @splatvar_shift_v16i16(<16 x i16> %a, i16 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i16': -; SSE2: Found an estimated cost of 64 for instruction: %shift -; SSE41: Found an estimated cost of 28 for instruction: %shift -; AVX: Found an estimated cost of 28 for instruction: %shift -; AVX2: Found an estimated cost of 10 for instruction: %shift -; AVX512: Found an estimated cost of 10 for instruction: %shift -; XOP: Found an estimated cost of 4 for instruction: %shift - %splat = shufflevector <16 x i16> %b, <16 x i16> undef, <16 x i32> zeroinitializer +; SSE2: Found an estimated cost of 2 for instruction: %shift +; SSE41: Found an estimated cost of 2 for instruction: %shift +; AVX: Found an estimated cost of 2 for instruction: %shift +; AVX2: Found an estimated cost of 1 for instruction: %shift +; AVX512: Found an estimated cost of 1 for instruction: %shift +; XOPAVX: Found an estimated cost of 4 for instruction: %shift +; XOPAVX2: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <16 x i16> undef, i16 %b, i32 0 + %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer %shift = lshr <16 x i16> %a, %splat ret <16 x i16> %shift } -define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, <32 x i16> %b) { +define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, i16 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v32i16': -; SSE2: Found an estimated cost of 128 for instruction: %shift -; SSE41: Found an estimated cost of 56 for instruction: %shift -; AVX: Found an estimated cost of 56 for instruction: %shift -; AVX2: Found an estimated cost of 20 for instruction: %shift -; AVX512F: Found an estimated cost of 20 for instruction: %shift +; SSE2: Found an estimated cost of 4 for instruction: %shift +; SSE41: Found an estimated cost of 4 for instruction: %shift +; AVX: Found an estimated cost of 4 for instruction: %shift +; AVX2: Found an estimated cost of 2 for instruction: %shift +; AVX512F: Found an estimated cost of 2 for instruction: %shift ; AVX512BW: Found an estimated cost of 1 for instruction: %shift -; AVX512VL: Found an estimated cost of 20 for instruction: %shift -; AVX512BWVL: Found an estimated cost of 1 for instruction: %shift -; XOP: Found an estimated cost of 8 for instruction: %shift - %splat = shufflevector <32 x i16> %b, <32 x i16> undef, <32 x i32> zeroinitializer +; XOPAVX: Found an estimated cost of 8 for instruction: %shift +; XOPAVX2: Found an estimated cost of 2 for instruction: %shift + %insert = insertelement <32 x i16> undef, i16 %b, i32 0 + %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer %shift = lshr <32 x i16> %a, %splat ret <32 x i16> %shift } -define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, <16 x i8> %b) { +define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, i8 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i8': ; SSE2: Found an estimated cost of 26 for instruction: %shift ; SSE41: Found an estimated cost of 12 for instruction: %shift @@ -311,12 +318,13 @@ define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, <16 x i8> %b) { ; AVX2: Found an estimated cost of 12 for instruction: %shift ; AVX512: Found an estimated cost of 12 for instruction: %shift ; XOP: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <16 x i8> %b, <16 x i8> undef, <16 x i32> zeroinitializer + %insert = insertelement <16 x i8> undef, i8 %b, i32 0 + %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer %shift = lshr <16 x i8> %a, %splat ret <16 x i8> %shift } -define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, <32 x i8> %b) { +define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, i8 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v32i8': ; SSE2: Found an estimated cost of 52 for instruction: %shift ; SSE41: Found an estimated cost of 24 for instruction: %shift @@ -324,12 +332,13 @@ define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, <32 x i8> %b) { ; AVX2: Found an estimated cost of 11 for instruction: %shift ; AVX512: Found an estimated cost of 11 for instruction: %shift ; XOP: Found an estimated cost of 4 for instruction: %shift - %splat = shufflevector <32 x i8> %b, <32 x i8> undef, <32 x i32> zeroinitializer + %insert = insertelement <32 x i8> undef, i8 %b, i32 0 + %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer %shift = lshr <32 x i8> %a, %splat ret <32 x i8> %shift } -define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, <64 x i8> %b) { +define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, i8 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v64i8': ; SSE2: Found an estimated cost of 104 for instruction: %shift ; SSE41: Found an estimated cost of 48 for instruction: %shift @@ -340,7 +349,8 @@ define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, <64 x i8> %b) { ; AVX512VL: Found an estimated cost of 22 for instruction: %shift ; AVX512BWVL: Found an estimated cost of 11 for instruction: %shift ; XOP: Found an estimated cost of 8 for instruction: %shift - %splat = shufflevector <64 x i8> %b, <64 x i8> undef, <64 x i32> zeroinitializer + %insert = insertelement <64 x i8> undef, i8 %b, i32 0 + %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer %shift = lshr <64 x i8> %a, %splat ret <64 x i8> %shift } diff --git a/llvm/test/Analysis/CostModel/X86/vshift-shl-cost.ll b/llvm/test/Analysis/CostModel/X86/vshift-shl-cost.ll index 031d530dcd56..8d5f981477c2 100644 --- a/llvm/test/Analysis/CostModel/X86/vshift-shl-cost.ll +++ b/llvm/test/Analysis/CostModel/X86/vshift-shl-cost.ll @@ -176,133 +176,140 @@ define <64 x i8> @var_shift_v64i8(<64 x i8> %a, <64 x i8> %b) { ; Uniform Variable Shifts ; -define <2 x i64> @splatvar_shift_v2i64(<2 x i64> %a, <2 x i64> %b) { +define <2 x i64> @splatvar_shift_v2i64(<2 x i64> %a, i64 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v2i64': -; SSE2: Found an estimated cost of 4 for instruction: %shift -; SSE41: Found an estimated cost of 4 for instruction: %shift -; AVX: Found an estimated cost of 4 for instruction: %shift +; SSE2: Found an estimated cost of 1 for instruction: %shift +; SSE41: Found an estimated cost of 1 for instruction: %shift +; AVX: Found an estimated cost of 1 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift -; XOPAVX: Found an estimated cost of 1 for instruction: %shift -; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <2 x i64> %b, <2 x i64> undef, <2 x i32> zeroinitializer +; XOP: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <2 x i64> undef, i64 %b, i32 0 + %splat = shufflevector <2 x i64> %insert, <2 x i64> undef, <2 x i32> zeroinitializer %shift = shl <2 x i64> %a, %splat ret <2 x i64> %shift } -define <4 x i64> @splatvar_shift_v4i64(<4 x i64> %a, <4 x i64> %b) { +define <4 x i64> @splatvar_shift_v4i64(<4 x i64> %a, i64 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v4i64': -; SSE2: Found an estimated cost of 8 for instruction: %shift -; SSE41: Found an estimated cost of 8 for instruction: %shift -; AVX: Found an estimated cost of 8 for instruction: %shift +; SSE2: Found an estimated cost of 2 for instruction: %shift +; SSE41: Found an estimated cost of 2 for instruction: %shift +; AVX: Found an estimated cost of 2 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 2 for instruction: %shift ; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <4 x i64> %b, <4 x i64> undef, <4 x i32> zeroinitializer + %insert = insertelement <4 x i64> undef, i64 %b, i32 0 + %splat = shufflevector <4 x i64> %insert, <4 x i64> undef, <4 x i32> zeroinitializer %shift = shl <4 x i64> %a, %splat ret <4 x i64> %shift } -define <8 x i64> @splatvar_shift_v8i64(<8 x i64> %a, <8 x i64> %b) { +define <8 x i64> @splatvar_shift_v8i64(<8 x i64> %a, i64 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i64': -; SSE2: Found an estimated cost of 16 for instruction: %shift -; SSE41: Found an estimated cost of 16 for instruction: %shift -; AVX: Found an estimated cost of 16 for instruction: %shift +; SSE2: Found an estimated cost of 4 for instruction: %shift +; SSE41: Found an estimated cost of 4 for instruction: %shift +; AVX: Found an estimated cost of 4 for instruction: %shift ; AVX2: Found an estimated cost of 2 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 4 for instruction: %shift ; XOPAVX2: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <8 x i64> %b, <8 x i64> undef, <8 x i32> zeroinitializer + %insert = insertelement <8 x i64> undef, i64 %b, i32 0 + %splat = shufflevector <8 x i64> %insert, <8 x i64> undef, <8 x i32> zeroinitializer %shift = shl <8 x i64> %a, %splat ret <8 x i64> %shift } -define <4 x i32> @splatvar_shift_v4i32(<4 x i32> %a, <4 x i32> %b) { +define <4 x i32> @splatvar_shift_v4i32(<4 x i32> %a, i32 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v4i32': -; SSE2: Found an estimated cost of 10 for instruction: %shift -; SSE41: Found an estimated cost of 4 for instruction: %shift -; AVX: Found an estimated cost of 4 for instruction: %shift +; SSE2: Found an estimated cost of 1 for instruction: %shift +; SSE41: Found an estimated cost of 1 for instruction: %shift +; AVX: Found an estimated cost of 1 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift -; XOPAVX: Found an estimated cost of 1 for instruction: %shift -; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <4 x i32> %b, <4 x i32> undef, <4 x i32> zeroinitializer +; XOP: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <4 x i32> undef, i32 %b, i32 0 + %splat = shufflevector <4 x i32> %insert, <4 x i32> undef, <4 x i32> zeroinitializer %shift = shl <4 x i32> %a, %splat ret <4 x i32> %shift } -define <8 x i32> @splatvar_shift_v8i32(<8 x i32> %a, <8 x i32> %b) { +define <8 x i32> @splatvar_shift_v8i32(<8 x i32> %a, i32 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i32': -; SSE2: Found an estimated cost of 20 for instruction: %shift -; SSE41: Found an estimated cost of 8 for instruction: %shift -; AVX: Found an estimated cost of 8 for instruction: %shift +; SSE2: Found an estimated cost of 2 for instruction: %shift +; SSE41: Found an estimated cost of 2 for instruction: %shift +; AVX: Found an estimated cost of 2 for instruction: %shift ; AVX2: Found an estimated cost of 1 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 2 for instruction: %shift ; XOPAVX2: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <8 x i32> %b, <8 x i32> undef, <8 x i32> zeroinitializer + %insert = insertelement <8 x i32> undef, i32 %b, i32 0 + %splat = shufflevector <8 x i32> %insert, <8 x i32> undef, <8 x i32> zeroinitializer %shift = shl <8 x i32> %a, %splat ret <8 x i32> %shift } -define <16 x i32> @splatvar_shift_v16i32(<16 x i32> %a, <16 x i32> %b) { +define <16 x i32> @splatvar_shift_v16i32(<16 x i32> %a, i32 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i32': -; SSE2: Found an estimated cost of 40 for instruction: %shift -; SSE41: Found an estimated cost of 16 for instruction: %shift -; AVX: Found an estimated cost of 16 for instruction: %shift +; SSE2: Found an estimated cost of 4 for instruction: %shift +; SSE41: Found an estimated cost of 4 for instruction: %shift +; AVX: Found an estimated cost of 4 for instruction: %shift ; AVX2: Found an estimated cost of 2 for instruction: %shift ; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOPAVX: Found an estimated cost of 4 for instruction: %shift ; XOPAVX2: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <16 x i32> %b, <16 x i32> undef, <16 x i32> zeroinitializer + %insert = insertelement <16 x i32> undef, i32 %b, i32 0 + %splat = shufflevector <16 x i32> %insert, <16 x i32> undef, <16 x i32> zeroinitializer %shift = shl <16 x i32> %a, %splat ret <16 x i32> %shift } -define <8 x i16> @splatvar_shift_v8i16(<8 x i16> %a, <8 x i16> %b) { +define <8 x i16> @splatvar_shift_v8i16(<8 x i16> %a, i16 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i16': -; SSE2: Found an estimated cost of 32 for instruction: %shift -; SSE41: Found an estimated cost of 14 for instruction: %shift -; AVX: Found an estimated cost of 14 for instruction: %shift -; AVX2: Found an estimated cost of 14 for instruction: %shift -; AVX512: Found an estimated cost of 14 for instruction: %shift +; SSE2: Found an estimated cost of 1 for instruction: %shift +; SSE41: Found an estimated cost of 1 for instruction: %shift +; AVX: Found an estimated cost of 1 for instruction: %shift +; AVX2: Found an estimated cost of 1 for instruction: %shift +; AVX512: Found an estimated cost of 1 for instruction: %shift ; XOP: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <8 x i16> %b, <8 x i16> undef, <8 x i32> zeroinitializer + %insert = insertelement <8 x i16> undef, i16 %b, i32 0 + %splat = shufflevector <8 x i16> %insert, <8 x i16> undef, <8 x i32> zeroinitializer %shift = shl <8 x i16> %a, %splat ret <8 x i16> %shift } -define <16 x i16> @splatvar_shift_v16i16(<16 x i16> %a, <16 x i16> %b) { +define <16 x i16> @splatvar_shift_v16i16(<16 x i16> %a, i16 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i16': -; SSE2: Found an estimated cost of 64 for instruction: %shift -; SSE41: Found an estimated cost of 28 for instruction: %shift -; AVX: Found an estimated cost of 28 for instruction: %shift -; AVX2: Found an estimated cost of 10 for instruction: %shift -; AVX512: Found an estimated cost of 10 for instruction: %shift -; XOP: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <16 x i16> %b, <16 x i16> undef, <16 x i32> zeroinitializer +; SSE2: Found an estimated cost of 2 for instruction: %shift +; SSE41: Found an estimated cost of 2 for instruction: %shift +; AVX: Found an estimated cost of 2 for instruction: %shift +; AVX2: Found an estimated cost of 1 for instruction: %shift +; AVX512: Found an estimated cost of 1 for instruction: %shift +; XOPAVX: Found an estimated cost of 2 for instruction: %shift +; XOPAVX2: Found an estimated cost of 1 for instruction: %shift + %insert = insertelement <16 x i16> undef, i16 %b, i32 0 + %splat = shufflevector <16 x i16> %insert, <16 x i16> undef, <16 x i32> zeroinitializer %shift = shl <16 x i16> %a, %splat ret <16 x i16> %shift } -define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, <32 x i16> %b) { +define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, i16 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v32i16': -; SSE2: Found an estimated cost of 128 for instruction: %shift -; SSE41: Found an estimated cost of 56 for instruction: %shift -; AVX: Found an estimated cost of 56 for instruction: %shift -; AVX2: Found an estimated cost of 20 for instruction: %shift -; AVX512F: Found an estimated cost of 20 for instruction: %shift +; SSE2: Found an estimated cost of 4 for instruction: %shift +; SSE41: Found an estimated cost of 4 for instruction: %shift +; AVX: Found an estimated cost of 4 for instruction: %shift +; AVX2: Found an estimated cost of 2 for instruction: %shift +; AVX512F: Found an estimated cost of 2 for instruction: %shift ; AVX512BW: Found an estimated cost of 1 for instruction: %shift -; AVX512VL: Found an estimated cost of 20 for instruction: %shift -; AVX512BWVL: Found an estimated cost of 1 for instruction: %shift -; XOP: Found an estimated cost of 4 for instruction: %shift - %splat = shufflevector <32 x i16> %b, <32 x i16> undef, <32 x i32> zeroinitializer +; XOPAVX: Found an estimated cost of 4 for instruction: %shift +; XOPAVX2: Found an estimated cost of 2 for instruction: %shift + %insert = insertelement <32 x i16> undef, i16 %b, i32 0 + %splat = shufflevector <32 x i16> %insert, <32 x i16> undef, <32 x i32> zeroinitializer %shift = shl <32 x i16> %a, %splat ret <32 x i16> %shift } -define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, <16 x i8> %b) { +define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, i8 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i8': ; SSE2: Found an estimated cost of 26 for instruction: %shift ; SSE41: Found an estimated cost of 11 for instruction: %shift @@ -310,12 +317,13 @@ define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, <16 x i8> %b) { ; AVX2: Found an estimated cost of 11 for instruction: %shift ; AVX512: Found an estimated cost of 11 for instruction: %shift ; XOP: Found an estimated cost of 1 for instruction: %shift - %splat = shufflevector <16 x i8> %b, <16 x i8> undef, <16 x i32> zeroinitializer + %insert = insertelement <16 x i8> undef, i8 %b, i32 0 + %splat = shufflevector <16 x i8> %insert, <16 x i8> undef, <16 x i32> zeroinitializer %shift = shl <16 x i8> %a, %splat ret <16 x i8> %shift } -define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, <32 x i8> %b) { +define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, i8 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v32i8': ; SSE2: Found an estimated cost of 52 for instruction: %shift ; SSE41: Found an estimated cost of 22 for instruction: %shift @@ -323,12 +331,13 @@ define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, <32 x i8> %b) { ; AVX2: Found an estimated cost of 11 for instruction: %shift ; AVX512: Found an estimated cost of 11 for instruction: %shift ; XOP: Found an estimated cost of 2 for instruction: %shift - %splat = shufflevector <32 x i8> %b, <32 x i8> undef, <32 x i32> zeroinitializer + %insert = insertelement <32 x i8> undef, i8 %b, i32 0 + %splat = shufflevector <32 x i8> %insert, <32 x i8> undef, <32 x i32> zeroinitializer %shift = shl <32 x i8> %a, %splat ret <32 x i8> %shift } -define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, <64 x i8> %b) { +define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, i8 %b) { ; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v64i8': ; SSE2: Found an estimated cost of 104 for instruction: %shift ; SSE41: Found an estimated cost of 44 for instruction: %shift @@ -339,7 +348,8 @@ define <64 x i8> @splatvar_shift_v64i8(<64 x i8> %a, <64 x i8> %b) { ; AVX512VL: Found an estimated cost of 22 for instruction: %shift ; AVX512BWVL: Found an estimated cost of 11 for instruction: %shift ; XOP: Found an estimated cost of 4 for instruction: %shift - %splat = shufflevector <64 x i8> %b, <64 x i8> undef, <64 x i32> zeroinitializer + %insert = insertelement <64 x i8> undef, i8 %b, i32 0 + %splat = shufflevector <64 x i8> %insert, <64 x i8> undef, <64 x i32> zeroinitializer %shift = shl <64 x i8> %a, %splat ret <64 x i8> %shift }