; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -enable-subreg-liveness -mattr=+sve2 -force-streaming-compatible < %s | FileCheck %s ; RUN: llc -enable-subreg-liveness -mattr=+sme -force-streaming < %s | FileCheck %s ; RUN: llc -enable-subreg-liveness -force-streaming-compatible < %s | FileCheck %s --check-prefix=NONEON-NOSVE target triple = "aarch64-unknown-linux-gnu" define void @store_trunc_v8i16i8(ptr %ap, ptr %dest) { ; CHECK-LABEL: store_trunc_v8i16i8: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.h, vl8 ; CHECK-NEXT: ldr q0, [x0] ; CHECK-NEXT: st1b { z0.h }, p0, [x1] ; CHECK-NEXT: ret ; ; NONEON-NOSVE-LABEL: store_trunc_v8i16i8: ; NONEON-NOSVE: // %bb.0: ; NONEON-NOSVE-NEXT: ldr q0, [x0] ; NONEON-NOSVE-NEXT: str q0, [sp, #-32]! ; NONEON-NOSVE-NEXT: .cfi_def_cfa_offset 32 ; NONEON-NOSVE-NEXT: ldrh w8, [sp, #14] ; NONEON-NOSVE-NEXT: strb w8, [sp, #31] ; NONEON-NOSVE-NEXT: ldrh w8, [sp, #12] ; NONEON-NOSVE-NEXT: strb w8, [sp, #30] ; NONEON-NOSVE-NEXT: ldrh w8, [sp, #10] ; NONEON-NOSVE-NEXT: strb w8, [sp, #29] ; NONEON-NOSVE-NEXT: ldrh w8, [sp, #8] ; NONEON-NOSVE-NEXT: strb w8, [sp, #28] ; NONEON-NOSVE-NEXT: ldrh w8, [sp, #6] ; NONEON-NOSVE-NEXT: strb w8, [sp, #27] ; NONEON-NOSVE-NEXT: ldrh w8, [sp, #4] ; NONEON-NOSVE-NEXT: strb w8, [sp, #26] ; NONEON-NOSVE-NEXT: ldrh w8, [sp, #2] ; NONEON-NOSVE-NEXT: strb w8, [sp, #25] ; NONEON-NOSVE-NEXT: ldrh w8, [sp] ; NONEON-NOSVE-NEXT: strb w8, [sp, #24] ; NONEON-NOSVE-NEXT: ldr d0, [sp, #24] ; NONEON-NOSVE-NEXT: str d0, [x1] ; NONEON-NOSVE-NEXT: add sp, sp, #32 ; NONEON-NOSVE-NEXT: ret %a = load <8 x i16>, ptr %ap %val = trunc <8 x i16> %a to <8 x i8> store <8 x i8> %val, ptr %dest ret void } define void @store_trunc_v4i32i8(ptr %ap, ptr %dest) { ; CHECK-LABEL: store_trunc_v4i32i8: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.s, vl4 ; CHECK-NEXT: ldr q0, [x0] ; CHECK-NEXT: st1b { z0.s }, p0, [x1] ; CHECK-NEXT: ret ; ; NONEON-NOSVE-LABEL: store_trunc_v4i32i8: ; NONEON-NOSVE: // %bb.0: ; NONEON-NOSVE-NEXT: ldr q0, [x0] ; NONEON-NOSVE-NEXT: str q0, [sp, #-16]! ; NONEON-NOSVE-NEXT: .cfi_def_cfa_offset 16 ; NONEON-NOSVE-NEXT: ldp w9, w8, [sp, #8] ; NONEON-NOSVE-NEXT: ldp w10, w11, [sp] ; NONEON-NOSVE-NEXT: strb w8, [x1, #3] ; NONEON-NOSVE-NEXT: strb w9, [x1, #2] ; NONEON-NOSVE-NEXT: strb w11, [x1, #1] ; NONEON-NOSVE-NEXT: strb w10, [x1] ; NONEON-NOSVE-NEXT: add sp, sp, #16 ; NONEON-NOSVE-NEXT: ret %a = load <4 x i32>, ptr %ap %val = trunc <4 x i32> %a to <4 x i8> store <4 x i8> %val, ptr %dest ret void } define void @store_trunc_v4i32i16(ptr %ap, ptr %dest) { ; CHECK-LABEL: store_trunc_v4i32i16: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.s, vl4 ; CHECK-NEXT: ldr q0, [x0] ; CHECK-NEXT: st1h { z0.s }, p0, [x1] ; CHECK-NEXT: ret ; ; NONEON-NOSVE-LABEL: store_trunc_v4i32i16: ; NONEON-NOSVE: // %bb.0: ; NONEON-NOSVE-NEXT: ldr q0, [x0] ; NONEON-NOSVE-NEXT: str q0, [sp, #-32]! ; NONEON-NOSVE-NEXT: .cfi_def_cfa_offset 32 ; NONEON-NOSVE-NEXT: ldp w8, w9, [sp, #8] ; NONEON-NOSVE-NEXT: strh w9, [sp, #30] ; NONEON-NOSVE-NEXT: strh w8, [sp, #28] ; NONEON-NOSVE-NEXT: ldp w8, w9, [sp] ; NONEON-NOSVE-NEXT: strh w9, [sp, #26] ; NONEON-NOSVE-NEXT: strh w8, [sp, #24] ; NONEON-NOSVE-NEXT: ldr d0, [sp, #24] ; NONEON-NOSVE-NEXT: str d0, [x1] ; NONEON-NOSVE-NEXT: add sp, sp, #32 ; NONEON-NOSVE-NEXT: ret %a = load <4 x i32>, ptr %ap %val = trunc <4 x i32> %a to <4 x i16> store <4 x i16> %val, ptr %dest ret void } define void @store_trunc_v2i64i8(ptr %ap, ptr %dest) { ; CHECK-LABEL: store_trunc_v2i64i8: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.d, vl2 ; CHECK-NEXT: ldr q0, [x0] ; CHECK-NEXT: st1w { z0.d }, p0, [x1] ; CHECK-NEXT: ret ; ; NONEON-NOSVE-LABEL: store_trunc_v2i64i8: ; NONEON-NOSVE: // %bb.0: ; NONEON-NOSVE-NEXT: ldr q0, [x0] ; NONEON-NOSVE-NEXT: str q0, [sp, #-32]! ; NONEON-NOSVE-NEXT: .cfi_def_cfa_offset 32 ; NONEON-NOSVE-NEXT: ldp x8, x9, [sp] ; NONEON-NOSVE-NEXT: stp w8, w9, [sp, #24] ; NONEON-NOSVE-NEXT: ldr d0, [sp, #24] ; NONEON-NOSVE-NEXT: str d0, [x1] ; NONEON-NOSVE-NEXT: add sp, sp, #32 ; NONEON-NOSVE-NEXT: ret %a = load <2 x i64>, ptr %ap %val = trunc <2 x i64> %a to <2 x i32> store <2 x i32> %val, ptr %dest ret void } define void @store_trunc_v2i256i64(ptr %ap, ptr %dest) { ; CHECK-LABEL: store_trunc_v2i256i64: ; CHECK: // %bb.0: ; CHECK-NEXT: ptrue p0.d, vl1 ; CHECK-NEXT: ldr d1, [x0, #32] ; CHECK-NEXT: ldr d0, [x0] ; CHECK-NEXT: splice z0.d, p0, { z0.d, z1.d } ; CHECK-NEXT: str q0, [x1] ; CHECK-NEXT: ret ; ; NONEON-NOSVE-LABEL: store_trunc_v2i256i64: ; NONEON-NOSVE: // %bb.0: ; NONEON-NOSVE-NEXT: sub sp, sp, #32 ; NONEON-NOSVE-NEXT: .cfi_def_cfa_offset 32 ; NONEON-NOSVE-NEXT: ldr d0, [x0, #32] ; NONEON-NOSVE-NEXT: ldr d1, [x0] ; NONEON-NOSVE-NEXT: stp d1, d0, [sp, #16] ; NONEON-NOSVE-NEXT: ldr q0, [sp, #16] ; NONEON-NOSVE-NEXT: str q0, [x1] ; NONEON-NOSVE-NEXT: add sp, sp, #32 ; NONEON-NOSVE-NEXT: ret %a = load <2 x i256>, ptr %ap %val = trunc <2 x i256> %a to <2 x i64> store <2 x i64> %val, ptr %dest ret void }