; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s ; EXTRACT VECTOR ELT define i32 @promote_extract_2i32_idx(<vscale x 2 x i32> %a, i32 %idx) { ; CHECK-LABEL: promote_extract_2i32_idx: ; CHECK: // %bb.0: ; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0 ; CHECK-NEXT: sxtw x8, w0 ; CHECK-NEXT: whilels p0.d, xzr, x8 ; CHECK-NEXT: lastb x0, p0, z0.d ; CHECK-NEXT: // kill: def $w0 killed $w0 killed $x0 ; CHECK-NEXT: ret %ext = extractelement <vscale x 2 x i32> %a, i32 %idx ret i32 %ext } define i8 @split_extract_32i8_idx(<vscale x 32 x i8> %a, i32 %idx) { ; CHECK-LABEL: split_extract_32i8_idx: ; CHECK: // %bb.0: ; CHECK-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset w29, -16 ; CHECK-NEXT: addvl sp, sp, #-2 ; CHECK-NEXT: .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x10, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 16 * VG ; CHECK-NEXT: mov x8, #-1 ; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0 ; CHECK-NEXT: sxtw x9, w0 ; CHECK-NEXT: ptrue p0.b ; CHECK-NEXT: st1b { z1.b }, p0, [sp, #1, mul vl] ; CHECK-NEXT: st1b { z0.b }, p0, [sp] ; CHECK-NEXT: addvl x8, x8, #2 ; CHECK-NEXT: cmp x9, x8 ; CHECK-NEXT: csel x8, x9, x8, lo ; CHECK-NEXT: mov x9, sp ; CHECK-NEXT: ldrb w0, [x9, x8] ; CHECK-NEXT: addvl sp, sp, #2 ; CHECK-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload ; CHECK-NEXT: ret %ext = extractelement <vscale x 32 x i8> %a, i32 %idx ret i8 %ext } define i16 @split_extract_16i16_idx(<vscale x 16 x i16> %a, i32 %idx) { ; CHECK-LABEL: split_extract_16i16_idx: ; CHECK: // %bb.0: ; CHECK-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset w29, -16 ; CHECK-NEXT: addvl sp, sp, #-2 ; CHECK-NEXT: .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x10, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 16 * VG ; CHECK-NEXT: mov x8, #-1 ; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0 ; CHECK-NEXT: sxtw x9, w0 ; CHECK-NEXT: ptrue p0.h ; CHECK-NEXT: st1h { z1.h }, p0, [sp, #1, mul vl] ; CHECK-NEXT: st1h { z0.h }, p0, [sp] ; CHECK-NEXT: addvl x8, x8, #1 ; CHECK-NEXT: cmp x9, x8 ; CHECK-NEXT: csel x8, x9, x8, lo ; CHECK-NEXT: mov x9, sp ; CHECK-NEXT: ldrh w0, [x9, x8, lsl #1] ; CHECK-NEXT: addvl sp, sp, #2 ; CHECK-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload ; CHECK-NEXT: ret %ext = extractelement <vscale x 16 x i16> %a, i32 %idx ret i16 %ext } define i32 @split_extract_8i32_idx(<vscale x 8 x i32> %a, i32 %idx) { ; CHECK-LABEL: split_extract_8i32_idx: ; CHECK: // %bb.0: ; CHECK-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset w29, -16 ; CHECK-NEXT: addvl sp, sp, #-2 ; CHECK-NEXT: .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x10, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 16 * VG ; CHECK-NEXT: cnth x8 ; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0 ; CHECK-NEXT: sxtw x9, w0 ; CHECK-NEXT: sub x8, x8, #1 ; CHECK-NEXT: ptrue p0.s ; CHECK-NEXT: cmp x9, x8 ; CHECK-NEXT: st1w { z1.s }, p0, [sp, #1, mul vl] ; CHECK-NEXT: csel x8, x9, x8, lo ; CHECK-NEXT: mov x9, sp ; CHECK-NEXT: st1w { z0.s }, p0, [sp] ; CHECK-NEXT: ldr w0, [x9, x8, lsl #2] ; CHECK-NEXT: addvl sp, sp, #2 ; CHECK-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload ; CHECK-NEXT: ret %ext = extractelement <vscale x 8 x i32> %a, i32 %idx ret i32 %ext } define i64 @split_extract_8i64_idx(<vscale x 8 x i64> %a, i32 %idx) { ; CHECK-LABEL: split_extract_8i64_idx: ; CHECK: // %bb.0: ; CHECK-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset w29, -16 ; CHECK-NEXT: addvl sp, sp, #-4 ; CHECK-NEXT: .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x20, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 32 * VG ; CHECK-NEXT: cnth x8 ; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0 ; CHECK-NEXT: sxtw x9, w0 ; CHECK-NEXT: sub x8, x8, #1 ; CHECK-NEXT: ptrue p0.d ; CHECK-NEXT: cmp x9, x8 ; CHECK-NEXT: st1d { z3.d }, p0, [sp, #3, mul vl] ; CHECK-NEXT: csel x8, x9, x8, lo ; CHECK-NEXT: mov x9, sp ; CHECK-NEXT: st1d { z2.d }, p0, [sp, #2, mul vl] ; CHECK-NEXT: st1d { z1.d }, p0, [sp, #1, mul vl] ; CHECK-NEXT: st1d { z0.d }, p0, [sp] ; CHECK-NEXT: ldr x0, [x9, x8, lsl #3] ; CHECK-NEXT: addvl sp, sp, #4 ; CHECK-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload ; CHECK-NEXT: ret %ext = extractelement <vscale x 8 x i64> %a, i32 %idx ret i64 %ext } ; EXTRACT VECTOR ELT, CONSTANT IDX define i16 @promote_extract_4i16(<vscale x 4 x i16> %a) { ; CHECK-LABEL: promote_extract_4i16: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w0, v0.s[1] ; CHECK-NEXT: ret %ext = extractelement <vscale x 4 x i16> %a, i32 1 ret i16 %ext } define i8 @split_extract_32i8(<vscale x 32 x i8> %a) { ; CHECK-LABEL: split_extract_32i8: ; CHECK: // %bb.0: ; CHECK-NEXT: umov w0, v0.b[3] ; CHECK-NEXT: ret %ext = extractelement <vscale x 32 x i8> %a, i32 3 ret i8 %ext } define i16 @split_extract_16i16(<vscale x 16 x i16> %a) { ; CHECK-LABEL: split_extract_16i16: ; CHECK: // %bb.0: ; CHECK-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset w29, -16 ; CHECK-NEXT: addvl sp, sp, #-2 ; CHECK-NEXT: .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x10, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 16 * VG ; CHECK-NEXT: mov x8, #-1 ; CHECK-NEXT: mov w9, #128 ; CHECK-NEXT: ptrue p0.h ; CHECK-NEXT: st1h { z1.h }, p0, [sp, #1, mul vl] ; CHECK-NEXT: st1h { z0.h }, p0, [sp] ; CHECK-NEXT: addvl x8, x8, #1 ; CHECK-NEXT: cmp x8, #128 ; CHECK-NEXT: csel x8, x8, x9, lo ; CHECK-NEXT: mov x9, sp ; CHECK-NEXT: ldrh w0, [x9, x8, lsl #1] ; CHECK-NEXT: addvl sp, sp, #2 ; CHECK-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload ; CHECK-NEXT: ret %ext = extractelement <vscale x 16 x i16> %a, i32 128 ret i16 %ext } define i32 @split_extract_16i32(<vscale x 16 x i32> %a) { ; CHECK-LABEL: split_extract_16i32: ; CHECK: // %bb.0: ; CHECK-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset w29, -16 ; CHECK-NEXT: addvl sp, sp, #-4 ; CHECK-NEXT: .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x20, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 32 * VG ; CHECK-NEXT: mov x8, #-1 ; CHECK-NEXT: mov w9, #34464 ; CHECK-NEXT: movk w9, #1, lsl #16 ; CHECK-NEXT: ptrue p0.s ; CHECK-NEXT: st1w { z3.s }, p0, [sp, #3, mul vl] ; CHECK-NEXT: st1w { z2.s }, p0, [sp, #2, mul vl] ; CHECK-NEXT: addvl x8, x8, #1 ; CHECK-NEXT: st1w { z1.s }, p0, [sp, #1, mul vl] ; CHECK-NEXT: cmp x8, x9 ; CHECK-NEXT: st1w { z0.s }, p0, [sp] ; CHECK-NEXT: csel x8, x8, x9, lo ; CHECK-NEXT: mov x9, sp ; CHECK-NEXT: ldr w0, [x9, x8, lsl #2] ; CHECK-NEXT: addvl sp, sp, #4 ; CHECK-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload ; CHECK-NEXT: ret %ext = extractelement <vscale x 16 x i32> %a, i32 100000 ret i32 %ext } define i64 @split_extract_4i64(<vscale x 4 x i64> %a) { ; CHECK-LABEL: split_extract_4i64: ; CHECK: // %bb.0: ; CHECK-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: .cfi_offset w29, -16 ; CHECK-NEXT: addvl sp, sp, #-2 ; CHECK-NEXT: .cfi_escape 0x0f, 0x0c, 0x8f, 0x00, 0x11, 0x10, 0x22, 0x11, 0x10, 0x92, 0x2e, 0x00, 0x1e, 0x22 // sp + 16 + 16 * VG ; CHECK-NEXT: cntw x8 ; CHECK-NEXT: mov w9, #10 ; CHECK-NEXT: sub x8, x8, #1 ; CHECK-NEXT: ptrue p0.d ; CHECK-NEXT: cmp x8, #10 ; CHECK-NEXT: st1d { z1.d }, p0, [sp, #1, mul vl] ; CHECK-NEXT: csel x8, x8, x9, lo ; CHECK-NEXT: mov x9, sp ; CHECK-NEXT: st1d { z0.d }, p0, [sp] ; CHECK-NEXT: ldr x0, [x9, x8, lsl #3] ; CHECK-NEXT: addvl sp, sp, #2 ; CHECK-NEXT: ldr x29, [sp], #16 // 8-byte Folded Reload ; CHECK-NEXT: ret %ext = extractelement <vscale x 4 x i64> %a, i32 10 ret i64 %ext }