1 ; RUN: llc -mtriple aarch64-eabi -o - %s | FileCheck %s 2 3 declare void @llvm.aarch64.hint(i32) nounwind 4 5 define void @hint_nop() { 6 entry: 7 tail call void @llvm.aarch64.hint(i32 0) nounwind 8 ret void 9 } 10 11 ; CHECK-LABEL: hint_nop 12 ; CHECK: nop 13 14 define void @hint_yield() { 15 entry: 16 tail call void @llvm.aarch64.hint(i32 1) nounwind 17 ret void 18 } 19 20 ; CHECK-LABEL: hint_yield 21 ; CHECK: yield 22 23 define void @hint_wfe() { 24 entry: 25 tail call void @llvm.aarch64.hint(i32 2) nounwind 26 ret void 27 } 28 29 ; CHECK-LABEL: hint_wfe 30 ; CHECK: wfe 31 32 define void @hint_wfi() { 33 entry: 34 tail call void @llvm.aarch64.hint(i32 3) nounwind 35 ret void 36 } 37 38 ; CHECK-LABEL: hint_wfi 39 ; CHECK: wfi 40 41 define void @hint_sev() { 42 entry: 43 tail call void @llvm.aarch64.hint(i32 4) nounwind 44 ret void 45 } 46 47 ; CHECK-LABEL: hint_sev 48 ; CHECK: sev 49 50 define void @hint_sevl() { 51 entry: 52 tail call void @llvm.aarch64.hint(i32 5) nounwind 53 ret void 54 } 55 56 ; CHECK-LABEL: hint_sevl 57 ; CHECK: sevl 58 59 define void @hint_undefined() { 60 entry: 61 tail call void @llvm.aarch64.hint(i32 8) nounwind 62 ret void 63 } 64 65 ; CHECK-LABEL: hint_undefined 66 ; CHECK: hint #0x8 67 68