65 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mattr=+sve -force-streaming-compatible < %s | FileCheck %s3; RUN: llc -mattr=+sme -force-streaming < %s | FileCheck %s4; RUN: llc -force-streaming-compatible < %s | FileCheck %s --check-prefix=NONEON-NOSVE5 6 7target triple = "aarch64-unknown-linux-gnu"8 9; A NEON Q-register mov is not valid in streaming mode, but an SVE Z-register mov is.10define fp128 @test_streaming_compatible_register_mov(fp128 %q0, fp128 %q1) {11; CHECK-LABEL: test_streaming_compatible_register_mov:12; CHECK: // %bb.0:13; CHECK-NEXT: mov z0.d, z1.d14; CHECK-NEXT: ret15;16; NONEON-NOSVE-LABEL: test_streaming_compatible_register_mov:17; NONEON-NOSVE: // %bb.0:18; NONEON-NOSVE-NEXT: str q1, [sp, #-16]!19; NONEON-NOSVE-NEXT: ldr q0, [sp], #1620; NONEON-NOSVE-NEXT: ret21 ret fp128 %q122}23 24; Test that `movi` isn't used (invalid in streaming mode), but fmov or SVE mov instead.25define double @fp_zero_constant() {26; CHECK-LABEL: fp_zero_constant:27; CHECK: // %bb.0:28; CHECK-NEXT: fmov d0, xzr29; CHECK-NEXT: ret30;31; NONEON-NOSVE-LABEL: fp_zero_constant:32; NONEON-NOSVE: // %bb.0:33; NONEON-NOSVE-NEXT: fmov d0, xzr34; NONEON-NOSVE-NEXT: ret35 ret double 0.036}37 38define <2 x i64> @fixed_vec_zero_constant() {39; CHECK-LABEL: fixed_vec_zero_constant:40; CHECK: // %bb.0:41; CHECK-NEXT: mov z0.d, #0 // =0x042; CHECK-NEXT: ret43;44; NONEON-NOSVE-LABEL: fixed_vec_zero_constant:45; NONEON-NOSVE: // %bb.0:46; NONEON-NOSVE-NEXT: adrp x8, .LCPI2_047; NONEON-NOSVE-NEXT: ldr q0, [x8, :lo12:.LCPI2_0]48; NONEON-NOSVE-NEXT: ret49 ret <2 x i64> zeroinitializer50}51 52define <2 x double> @fixed_vec_fp_zero_constant() {53; CHECK-LABEL: fixed_vec_fp_zero_constant:54; CHECK: // %bb.0:55; CHECK-NEXT: mov z0.d, #0 // =0x056; CHECK-NEXT: ret57;58; NONEON-NOSVE-LABEL: fixed_vec_fp_zero_constant:59; NONEON-NOSVE: // %bb.0:60; NONEON-NOSVE-NEXT: adrp x8, .LCPI3_061; NONEON-NOSVE-NEXT: ldr q0, [x8, :lo12:.LCPI3_0]62; NONEON-NOSVE-NEXT: ret63 ret <2 x double> <double 0.0, double 0.0>64}65