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-; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
-
-; AVX128 tests:
-
-;CHECK-LABEL: vsel_float:
-; select mask is <i1 true, i1 false, i1 true, i1 false>.
-; Big endian representation is 0101 = 5.
-; '1' means takes the first argument, '0' means takes the second argument.
-; This is the opposite of the intel syntax, thus we expect
-; the inverted mask: 1010 = 10.
-; According to the ABI:
-; v1 is in xmm0 => first argument is xmm0.
-; v2 is in xmm1 => second argument is xmm1.
-; result is in xmm0 => destination argument.
-;CHECK: vblendps $10, %xmm1, %xmm0, %xmm0
-;CHECK: ret
-define <4 x float> @vsel_float(<4 x float> %v1, <4 x float> %v2) {
- %vsel = select <4 x i1> <i1 true, i1 false, i1 true, i1 false>, <4 x float> %v1, <4 x float> %v2
- ret <4 x float> %vsel
-}
-
-
-;CHECK-LABEL: vsel_i32:
-;CHECK: vblendps $10, %xmm1, %xmm0, %xmm0
-;CHECK: ret
-define <4 x i32> @vsel_i32(<4 x i32> %v1, <4 x i32> %v2) {
- %vsel = select <4 x i1> <i1 true, i1 false, i1 true, i1 false>, <4 x i32> %v1, <4 x i32> %v2
- ret <4 x i32> %vsel
-}
-
-
-;CHECK-LABEL: vsel_double:
-;CHECK: vmovsd
-;CHECK: ret
-define <2 x double> @vsel_double(<2 x double> %v1, <2 x double> %v2) {
- %vsel = select <2 x i1> <i1 true, i1 false>, <2 x double> %v1, <2 x double> %v2
- ret <2 x double> %vsel
-}
-
-
-;CHECK-LABEL: vsel_i64:
-;CHECK: vmovsd
-;CHECK: ret
-define <2 x i64> @vsel_i64(<2 x i64> %v1, <2 x i64> %v2) {
- %vsel = select <2 x i1> <i1 true, i1 false>, <2 x i64> %v1, <2 x i64> %v2
- ret <2 x i64> %vsel
-}
-
-
-;CHECK-LABEL: vsel_i8:
-;CHECK: vpblendvb
-;CHECK: ret
-define <16 x i8> @vsel_i8(<16 x i8> %v1, <16 x i8> %v2) {
- %vsel = select <16 x i1> <i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false>, <16 x i8> %v1, <16 x i8> %v2
- ret <16 x i8> %vsel
-}
-
-
-; AVX256 tests:
-
-
-;CHECK-LABEL: vsel_float8:
-;CHECK-NOT: vinsertf128
-; <i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false>
-; which translates into the boolean mask (big endian representation):
-; 00010001 = 17.
-; '1' means takes the first argument, '0' means takes the second argument.
-; This is the opposite of the intel syntax, thus we expect
-; the inverted mask: 11101110 = 238.
-;CHECK: vblendps $238, %ymm1, %ymm0, %ymm0
-;CHECK: ret
-define <8 x float> @vsel_float8(<8 x float> %v1, <8 x float> %v2) {
- %vsel = select <8 x i1> <i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false>, <8 x float> %v1, <8 x float> %v2
- ret <8 x float> %vsel
-}
-
-;CHECK-LABEL: vsel_i328:
-;CHECK-NOT: vinsertf128
-;CHECK: vblendps $238, %ymm1, %ymm0, %ymm0
-;CHECK-NEXT: ret
-define <8 x i32> @vsel_i328(<8 x i32> %v1, <8 x i32> %v2) {
- %vsel = select <8 x i1> <i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false>, <8 x i32> %v1, <8 x i32> %v2
- ret <8 x i32> %vsel
-}
-
-;CHECK-LABEL: vsel_double8:
-; select mask is 2x: 0001 => intel mask: ~0001 = 14
-; ABI:
-; v1 is in ymm0 and ymm1.
-; v2 is in ymm2 and ymm3.
-; result is in ymm0 and ymm1.
-; Compute the low part: res.low = blend v1.low, v2.low, blendmask
-;CHECK: vblendpd $14, %ymm2, %ymm0, %ymm0
-; Compute the high part.
-;CHECK: vblendpd $14, %ymm3, %ymm1, %ymm1
-;CHECK: ret
-define <8 x double> @vsel_double8(<8 x double> %v1, <8 x double> %v2) {
- %vsel = select <8 x i1> <i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false>, <8 x double> %v1, <8 x double> %v2
- ret <8 x double> %vsel
-}
-
-;CHECK-LABEL: vsel_i648:
-;CHECK: vblendpd $14, %ymm2, %ymm0, %ymm0
-;CHECK: vblendpd $14, %ymm3, %ymm1, %ymm1
-;CHECK: ret
-define <8 x i64> @vsel_i648(<8 x i64> %v1, <8 x i64> %v2) {
- %vsel = select <8 x i1> <i1 true, i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false>, <8 x i64> %v1, <8 x i64> %v2
- ret <8 x i64> %vsel
-}
-
-;CHECK-LABEL: vsel_double4:
-;CHECK-NOT: vinsertf128
-;CHECK: vblendpd $10
-;CHECK-NEXT: ret
-define <4 x double> @vsel_double4(<4 x double> %v1, <4 x double> %v2) {
- %vsel = select <4 x i1> <i1 true, i1 false, i1 true, i1 false>, <4 x double> %v1, <4 x double> %v2
- ret <4 x double> %vsel
-}
-
-;; TEST blend + compares
-; CHECK: testa
-define <2 x double> @testa(<2 x double> %x, <2 x double> %y) {
- ; CHECK: vcmplepd
- ; CHECK: vblendvpd
- %max_is_x = fcmp oge <2 x double> %x, %y
- %max = select <2 x i1> %max_is_x, <2 x double> %x, <2 x double> %y
- ret <2 x double> %max
-}
-
-; CHECK: testb
-define <2 x double> @testb(<2 x double> %x, <2 x double> %y) {
- ; CHECK: vcmpnlepd
- ; CHECK: vblendvpd
- %min_is_x = fcmp ult <2 x double> %x, %y
- %min = select <2 x i1> %min_is_x, <2 x double> %x, <2 x double> %y
- ret <2 x double> %min
-}
-
-; If we can figure out a blend has a constant mask, we should emit the
-; blend instruction with an immediate mask
-define <4 x double> @constant_blendvpd_avx(<4 x double> %xy, <4 x double> %ab) {
-; CHECK-LABEL: constant_blendvpd_avx:
-; CHECK-NOT: mov
-; CHECK: vblendpd
-; CHECK: ret
- %1 = select <4 x i1> <i1 false, i1 false, i1 true, i1 false>, <4 x double> %xy, <4 x double> %ab
- ret <4 x double> %1
-}
-
-define <8 x float> @constant_blendvps_avx(<8 x float> %xyzw, <8 x float> %abcd) {
-; CHECK-LABEL: constant_blendvps_avx:
-; CHECK-NOT: mov
-; CHECK: vblendps
-; CHECK: ret
- %1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false, i1 true>, <8 x float> %xyzw, <8 x float> %abcd
- ret <8 x float> %1
-}
-
-declare <8 x float> @llvm.x86.avx.blendv.ps.256(<8 x float>, <8 x float>, <8 x float>)
-declare <4 x double> @llvm.x86.avx.blendv.pd.256(<4 x double>, <4 x double>, <4 x double>)
-
-;; 4 tests for shufflevectors that optimize to blend + immediate
-; CHECK-LABEL: @blend_shufflevector_4xfloat
-define <4 x float> @blend_shufflevector_4xfloat(<4 x float> %a, <4 x float> %b) {
-; Equivalent select mask is <i1 true, i1 false, i1 true, i1 false>.
-; Big endian representation is 0101 = 5.
-; '1' means takes the first argument, '0' means takes the second argument.
-; This is the opposite of the intel syntax, thus we expect
-; Inverted mask: 1010 = 10.
-; According to the ABI:
-; a is in xmm0 => first argument is xmm0.
-; b is in xmm1 => second argument is xmm1.
-; Result is in xmm0 => destination argument.
-; CHECK: vblendps $10, %xmm1, %xmm0, %xmm0
-; CHECK: ret
- %1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
- ret <4 x float> %1
-}
-
-; CHECK-LABEL: @blend_shufflevector_8xfloat
-define <8 x float> @blend_shufflevector_8xfloat(<8 x float> %a, <8 x float> %b) {
-; CHECK: vblendps $190, %ymm1, %ymm0, %ymm0
-; CHECK: ret
- %1 = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 0, i32 9, i32 10, i32 11, i32 12, i32 13, i32 6, i32 15>
- ret <8 x float> %1
-}
-
-; CHECK-LABEL: @blend_shufflevector_4xdouble
-define <4 x double> @blend_shufflevector_4xdouble(<4 x double> %a, <4 x double> %b) {
-; CHECK: vblendpd $2, %ymm1, %ymm0, %ymm0
-; CHECK: ret
- %1 = shufflevector <4 x double> %a, <4 x double> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 3>
- ret <4 x double> %1
-}
-
-; CHECK-LABEL: @blend_shufflevector_4xi64
-define <4 x i64> @blend_shufflevector_4xi64(<4 x i64> %a, <4 x i64> %b) {
-; CHECK: vblendpd $13, %ymm1, %ymm0, %ymm0
-; CHECK: ret
- %1 = shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 7>
- ret <4 x i64> %1
-}