| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s |
| |
| ; First, check the generic pattern for any 2 vector constants. Then, check special cases where |
| ; the constants are all off-by-one. Finally, check the extra special cases where the constants |
| ; include 0 or -1. |
| ; Each minimal select test is repeated with a more typical pattern that includes a compare to |
| ; generate the condition value. |
| |
| define <4 x i32> @sel_C1_or_C2_vec(<4 x i1> %cond) { |
| ; CHECK-LABEL: sel_C1_or_C2_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ushll v0.4s, v0.4h, #0 |
| ; CHECK-NEXT: adrp x8, .LCPI0_0 |
| ; CHECK-NEXT: adrp x9, .LCPI0_1 |
| ; CHECK-NEXT: ldr q1, [x8, :lo12:.LCPI0_0] |
| ; CHECK-NEXT: ldr q2, [x9, :lo12:.LCPI0_1] |
| ; CHECK-NEXT: shl v0.4s, v0.4s, #31 |
| ; CHECK-NEXT: cmlt v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: bsl v0.16b, v2.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %add = select <4 x i1> %cond, <4 x i32> <i32 3000, i32 1, i32 -1, i32 0>, <4 x i32> <i32 42, i32 0, i32 -2, i32 -1> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @cmp_sel_C1_or_C2_vec(<4 x i32> %x, <4 x i32> %y) { |
| ; CHECK-LABEL: cmp_sel_C1_or_C2_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI1_0 |
| ; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s |
| ; CHECK-NEXT: adrp x9, .LCPI1_1 |
| ; CHECK-NEXT: ldr q1, [x8, :lo12:.LCPI1_0] |
| ; CHECK-NEXT: ldr q2, [x9, :lo12:.LCPI1_1] |
| ; CHECK-NEXT: bsl v0.16b, v2.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp eq <4 x i32> %x, %y |
| %add = select <4 x i1> %cond, <4 x i32> <i32 3000, i32 1, i32 -1, i32 0>, <4 x i32> <i32 42, i32 0, i32 -2, i32 -1> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @sel_Cplus1_or_C_vec(<4 x i1> %cond) { |
| ; CHECK-LABEL: sel_Cplus1_or_C_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ushll v0.4s, v0.4h, #0 |
| ; CHECK-NEXT: adrp x8, .LCPI2_0 |
| ; CHECK-NEXT: adrp x9, .LCPI2_1 |
| ; CHECK-NEXT: ldr q1, [x8, :lo12:.LCPI2_0] |
| ; CHECK-NEXT: ldr q2, [x9, :lo12:.LCPI2_1] |
| ; CHECK-NEXT: shl v0.4s, v0.4s, #31 |
| ; CHECK-NEXT: cmlt v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: bsl v0.16b, v2.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %add = select <4 x i1> %cond, <4 x i32> <i32 43, i32 1, i32 -1, i32 0>, <4 x i32> <i32 42, i32 0, i32 -2, i32 -1> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @cmp_sel_Cplus1_or_C_vec(<4 x i32> %x, <4 x i32> %y) { |
| ; CHECK-LABEL: cmp_sel_Cplus1_or_C_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI3_0 |
| ; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s |
| ; CHECK-NEXT: adrp x9, .LCPI3_1 |
| ; CHECK-NEXT: ldr q1, [x8, :lo12:.LCPI3_0] |
| ; CHECK-NEXT: ldr q2, [x9, :lo12:.LCPI3_1] |
| ; CHECK-NEXT: bsl v0.16b, v2.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp eq <4 x i32> %x, %y |
| %add = select <4 x i1> %cond, <4 x i32> <i32 43, i32 1, i32 -1, i32 0>, <4 x i32> <i32 42, i32 0, i32 -2, i32 -1> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @sel_Cminus1_or_C_vec(<4 x i1> %cond) { |
| ; CHECK-LABEL: sel_Cminus1_or_C_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ushll v0.4s, v0.4h, #0 |
| ; CHECK-NEXT: adrp x8, .LCPI4_0 |
| ; CHECK-NEXT: adrp x9, .LCPI4_1 |
| ; CHECK-NEXT: ldr q1, [x8, :lo12:.LCPI4_0] |
| ; CHECK-NEXT: ldr q2, [x9, :lo12:.LCPI4_1] |
| ; CHECK-NEXT: shl v0.4s, v0.4s, #31 |
| ; CHECK-NEXT: cmlt v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: bsl v0.16b, v2.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %add = select <4 x i1> %cond, <4 x i32> <i32 43, i32 1, i32 -1, i32 0>, <4 x i32> <i32 44, i32 2, i32 0, i32 1> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @cmp_sel_Cminus1_or_C_vec(<4 x i32> %x, <4 x i32> %y) { |
| ; CHECK-LABEL: cmp_sel_Cminus1_or_C_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: adrp x8, .LCPI5_0 |
| ; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s |
| ; CHECK-NEXT: adrp x9, .LCPI5_1 |
| ; CHECK-NEXT: ldr q1, [x8, :lo12:.LCPI5_0] |
| ; CHECK-NEXT: ldr q2, [x9, :lo12:.LCPI5_1] |
| ; CHECK-NEXT: bsl v0.16b, v2.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp eq <4 x i32> %x, %y |
| %add = select <4 x i1> %cond, <4 x i32> <i32 43, i32 1, i32 -1, i32 0>, <4 x i32> <i32 44, i32 2, i32 0, i32 1> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @sel_minus1_or_0_vec(<4 x i1> %cond) { |
| ; CHECK-LABEL: sel_minus1_or_0_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ushll v0.4s, v0.4h, #0 |
| ; CHECK-NEXT: shl v0.4s, v0.4s, #31 |
| ; CHECK-NEXT: cmlt v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: ret |
| %add = select <4 x i1> %cond, <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, <4 x i32> <i32 0, i32 0, i32 0, i32 0> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @cmp_sel_minus1_or_0_vec(<4 x i32> %x, <4 x i32> %y) { |
| ; CHECK-LABEL: cmp_sel_minus1_or_0_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s |
| ; CHECK-NEXT: ret |
| %cond = icmp eq <4 x i32> %x, %y |
| %add = select <4 x i1> %cond, <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, <4 x i32> <i32 0, i32 0, i32 0, i32 0> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @sel_0_or_minus1_vec(<4 x i1> %cond) { |
| ; CHECK-LABEL: sel_0_or_minus1_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ushll v0.4s, v0.4h, #0 |
| ; CHECK-NEXT: shl v0.4s, v0.4s, #31 |
| ; CHECK-NEXT: cmge v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: ret |
| %add = select <4 x i1> %cond, <4 x i32> <i32 0, i32 0, i32 0, i32 0>, <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @cmp_sel_0_or_minus1_vec(<4 x i32> %x, <4 x i32> %y) { |
| ; CHECK-LABEL: cmp_sel_0_or_minus1_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s |
| ; CHECK-NEXT: mvn v0.16b, v0.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp eq <4 x i32> %x, %y |
| %add = select <4 x i1> %cond, <4 x i32> <i32 0, i32 0, i32 0, i32 0>, <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @sel_1_or_0_vec(<4 x i1> %cond) { |
| ; CHECK-LABEL: sel_1_or_0_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ushll v0.4s, v0.4h, #0 |
| ; CHECK-NEXT: movi v1.4s, #1 |
| ; CHECK-NEXT: shl v0.4s, v0.4s, #31 |
| ; CHECK-NEXT: cmlt v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %add = select <4 x i1> %cond, <4 x i32> <i32 1, i32 1, i32 1, i32 1>, <4 x i32> <i32 0, i32 0, i32 0, i32 0> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @cmp_sel_1_or_0_vec(<4 x i32> %x, <4 x i32> %y) { |
| ; CHECK-LABEL: cmp_sel_1_or_0_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: movi v2.4s, #1 |
| ; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s |
| ; CHECK-NEXT: and v0.16b, v0.16b, v2.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp eq <4 x i32> %x, %y |
| %add = select <4 x i1> %cond, <4 x i32> <i32 1, i32 1, i32 1, i32 1>, <4 x i32> <i32 0, i32 0, i32 0, i32 0> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @sel_0_or_1_vec(<4 x i1> %cond) { |
| ; CHECK-LABEL: sel_0_or_1_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ushll v0.4s, v0.4h, #0 |
| ; CHECK-NEXT: movi v1.4s, #1 |
| ; CHECK-NEXT: shl v0.4s, v0.4s, #31 |
| ; CHECK-NEXT: cmge v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %add = select <4 x i1> %cond, <4 x i32> <i32 0, i32 0, i32 0, i32 0>, <4 x i32> <i32 1, i32 1, i32 1, i32 1> |
| ret <4 x i32> %add |
| } |
| |
| define <4 x i32> @cmp_sel_0_or_1_vec(<4 x i32> %x, <4 x i32> %y) { |
| ; CHECK-LABEL: cmp_sel_0_or_1_vec: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: movi v2.4s, #1 |
| ; CHECK-NEXT: cmeq v0.4s, v0.4s, v1.4s |
| ; CHECK-NEXT: bic v0.16b, v2.16b, v0.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp eq <4 x i32> %x, %y |
| %add = select <4 x i1> %cond, <4 x i32> <i32 0, i32 0, i32 0, i32 0>, <4 x i32> <i32 1, i32 1, i32 1, i32 1> |
| ret <4 x i32> %add |
| } |
| |
| define <16 x i8> @signbit_mask_v16i8(<16 x i8> %a, <16 x i8> %b) { |
| ; CHECK-LABEL: signbit_mask_v16i8: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.16b, v0.16b, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <16 x i8> %a, zeroinitializer |
| %r = select <16 x i1> %cond, <16 x i8> %b, <16 x i8> zeroinitializer |
| ret <16 x i8> %r |
| } |
| |
| ; Swap cmp pred and select ops. This is logically equivalent to the above test. |
| |
| define <16 x i8> @signbit_mask_swap_v16i8(<16 x i8> %a, <16 x i8> %b) { |
| ; CHECK-LABEL: signbit_mask_swap_v16i8: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.16b, v0.16b, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp sgt <16 x i8> %a, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1> |
| %r = select <16 x i1> %cond, <16 x i8> zeroinitializer, <16 x i8> %b |
| ret <16 x i8> %r |
| } |
| |
| define <8 x i16> @signbit_mask_v8i16(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: signbit_mask_v8i16: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.8h, v0.8h, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <8 x i16> %a, zeroinitializer |
| %r = select <8 x i1> %cond, <8 x i16> %b, <8 x i16> zeroinitializer |
| ret <8 x i16> %r |
| } |
| |
| define <4 x i32> @signbit_mask_v4i32(<4 x i32> %a, <4 x i32> %b) { |
| ; CHECK-LABEL: signbit_mask_v4i32: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <4 x i32> %a, zeroinitializer |
| %r = select <4 x i1> %cond, <4 x i32> %b, <4 x i32> zeroinitializer |
| ret <4 x i32> %r |
| } |
| |
| define <2 x i64> @signbit_mask_v2i64(<2 x i64> %a, <2 x i64> %b) { |
| ; CHECK-LABEL: signbit_mask_v2i64: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.2d, v0.2d, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <2 x i64> %a, zeroinitializer |
| %r = select <2 x i1> %cond, <2 x i64> %b, <2 x i64> zeroinitializer |
| ret <2 x i64> %r |
| } |
| |
| define <16 x i8> @signbit_setmask_v16i8(<16 x i8> %a, <16 x i8> %b) { |
| ; CHECK-LABEL: signbit_setmask_v16i8: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.16b, v0.16b, #0 |
| ; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <16 x i8> %a, zeroinitializer |
| %r = select <16 x i1> %cond, <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8> %b |
| ret <16 x i8> %r |
| } |
| |
| define <8 x i16> @signbit_setmask_v8i16(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: signbit_setmask_v8i16: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.8h, v0.8h, #0 |
| ; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <8 x i16> %a, zeroinitializer |
| %r = select <8 x i1> %cond, <8 x i16> <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>, <8 x i16> %b |
| ret <8 x i16> %r |
| } |
| |
| ; Swap cmp pred and select ops. This is logically equivalent to the above test. |
| |
| define <8 x i16> @signbit_setmask_swap_v8i16(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: signbit_setmask_swap_v8i16: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.8h, v0.8h, #0 |
| ; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp sgt <8 x i16> %a, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1> |
| %r = select <8 x i1> %cond, <8 x i16> %b, <8 x i16> <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1> |
| ret <8 x i16> %r |
| } |
| |
| define <4 x i32> @signbit_setmask_v4i32(<4 x i32> %a, <4 x i32> %b) { |
| ; CHECK-LABEL: signbit_setmask_v4i32: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <4 x i32> %a, zeroinitializer |
| %r = select <4 x i1> %cond, <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, <4 x i32> %b |
| ret <4 x i32> %r |
| } |
| |
| define <2 x i64> @signbit_setmask_v2i64(<2 x i64> %a, <2 x i64> %b) { |
| ; CHECK-LABEL: signbit_setmask_v2i64: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmlt v0.2d, v0.2d, #0 |
| ; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <2 x i64> %a, zeroinitializer |
| %r = select <2 x i1> %cond, <2 x i64> <i64 -1, i64 -1>, <2 x i64> %b |
| ret <2 x i64> %r |
| } |
| |
| define <16 x i8> @not_signbit_mask_v16i8(<16 x i8> %a, <16 x i8> %b) { |
| ; CHECK-LABEL: not_signbit_mask_v16i8: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmge v0.16b, v0.16b, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp sgt <16 x i8> %a, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1> |
| %r = select <16 x i1> %cond, <16 x i8> %b, <16 x i8> zeroinitializer |
| ret <16 x i8> %r |
| } |
| |
| define <8 x i16> @not_signbit_mask_v8i16(<8 x i16> %a, <8 x i16> %b) { |
| ; CHECK-LABEL: not_signbit_mask_v8i16: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmge v0.8h, v0.8h, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp sgt <8 x i16> %a, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1> |
| %r = select <8 x i1> %cond, <8 x i16> %b, <8 x i16> zeroinitializer |
| ret <8 x i16> %r |
| } |
| |
| define <4 x i32> @not_signbit_mask_v4i32(<4 x i32> %a, <4 x i32> %b) { |
| ; CHECK-LABEL: not_signbit_mask_v4i32: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmge v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp sgt <4 x i32> %a, <i32 -1, i32 -1, i32 -1, i32 -1> |
| %r = select <4 x i1> %cond, <4 x i32> %b, <4 x i32> zeroinitializer |
| ret <4 x i32> %r |
| } |
| |
| ; Swap cmp pred and select ops. This is logically equivalent to the above test. |
| |
| define <4 x i32> @not_signbit_mask_swap_v4i32(<4 x i32> %a, <4 x i32> %b) { |
| ; CHECK-LABEL: not_signbit_mask_swap_v4i32: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmge v0.4s, v0.4s, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <4 x i32> %a, zeroinitializer |
| %r = select <4 x i1> %cond, <4 x i32> zeroinitializer, <4 x i32> %b |
| ret <4 x i32> %r |
| } |
| |
| define <2 x i64> @not_signbit_mask_v2i64(<2 x i64> %a, <2 x i64> %b) { |
| ; CHECK-LABEL: not_signbit_mask_v2i64: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmge v0.2d, v0.2d, #0 |
| ; CHECK-NEXT: and v0.16b, v0.16b, v1.16b |
| ; CHECK-NEXT: ret |
| %cond = icmp sgt <2 x i64> %a, <i64 -1, i64 -1> |
| %r = select <2 x i1> %cond, <2 x i64> %b, <2 x i64> zeroinitializer |
| ret <2 x i64> %r |
| } |
| |
| ; SVE |
| |
| define <vscale x 16 x i8> @signbit_mask_xor_nxv16i8(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b) #0 { |
| ; CHECK-LABEL: signbit_mask_xor_nxv16i8: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: ptrue p0.b |
| ; CHECK-NEXT: eor z1.d, z0.d, z1.d |
| ; CHECK-NEXT: cmplt p0.b, p0/z, z0.b, #0 |
| ; CHECK-NEXT: mov z1.b, p0/m, #0 // =0x0 |
| ; CHECK-NEXT: mov z0.d, z1.d |
| ; CHECK-NEXT: ret |
| %cond = icmp slt <vscale x 16 x i8> %a, zeroinitializer |
| %xor = xor <vscale x 16 x i8> %a, %b |
| %r = select <vscale x 16 x i1> %cond, <vscale x 16 x i8> zeroinitializer, <vscale x 16 x i8> %xor |
| ret <vscale x 16 x i8> %r |
| } |
| |
| attributes #0 = { "target-features"="+sve" } |