1; RUN: llc -mtriple=aarch64-- -verify-machineinstrs < %s | FileCheck %s --check-prefix=ASM 2; RUN: llc -mtriple=aarch64-- -verify-machineinstrs -global-isel < %s | FileCheck %s --check-prefix=ASM 3 4; RUN: llc -mtriple=aarch64-- -verify-machineinstrs -stop-after=finalize-isel < %s | FileCheck %s --check-prefixes=MIR,ISEL 5; RUN: llc -mtriple=aarch64-- -verify-machineinstrs -stop-after=finalize-isel -global-isel < %s | FileCheck %s --check-prefixes=MIR,ISEL 6 7; RUN: llc -mtriple=aarch64-- -verify-machineinstrs -mattr=harden-sls-blr -stop-after=finalize-isel < %s | FileCheck %s --check-prefixes=MIR,ISEL-SLS 8; RUN: llc -mtriple=aarch64-- -verify-machineinstrs -mattr=harden-sls-blr -stop-after=finalize-isel -global-isel < %s | FileCheck %s --check-prefixes=MIR,ISEL-SLS 9 10; RUN: llc -mtriple=aarch64-- -verify-machineinstrs -stop-after=kcfi < %s | FileCheck %s --check-prefixes=MIR,KCFI 11; RUN: llc -mtriple=aarch64-- -verify-machineinstrs -mattr=harden-sls-blr -stop-after=kcfi < %s | FileCheck %s --check-prefixes=MIR,KCFI-SLS 12 13; ASM: .word 12345678 14define void @f1(ptr noundef %x) !kcfi_type !1 { 15; ASM-LABEL: f1: 16; ASM: // %bb.0: 17; ASM: ldur w16, [x0, #-4] 18; ASM-NEXT: movk w17, #24910 19; ASM-NEXT: movk w17, #188, lsl #16 20; ASM-NEXT: cmp w16, w17 21; ASM-NEXT: b.eq .Ltmp0 22; ASM-NEXT: brk #0x8220 23; ASM-NEXT: .Ltmp0: 24; ASM-NEXT: blr x0 25 26; MIR-LABEL: name: f1 27; MIR: body: 28 29; ISEL: BLR %0, csr_aarch64_aapcs,{{.*}} cfi-type 12345678 30; ISEL-SLS: BLRNoIP %0, csr_aarch64_aapcs,{{.*}} cfi-type 12345678 31 32; KCFI: BUNDLE{{.*}} { 33; KCFI-NEXT: KCFI_CHECK $x0, 12345678, implicit-def $x9, implicit-def $x16, implicit-def $x17, implicit-def $nzcv 34; KCFI-NEXT: BLR killed $x0, csr_aarch64_aapcs,{{.*}} 35; KCFI-NEXT: } 36 37; KCFI-SLS: BUNDLE{{.*}} { 38; KCFI-SLS-NEXT: KCFI_CHECK $x0, 12345678, implicit-def $x9, implicit-def $x16, implicit-def $x17, implicit-def $nzcv 39; KCFI-SLS-NEXT: BLRNoIP killed $x0, csr_aarch64_aapcs,{{.*}} 40; KCFI-SLS-NEXT: } 41 42 call void %x() [ "kcfi"(i32 12345678) ] 43 ret void 44} 45 46; ASM-NOT: .word: 47define void @f2(ptr noundef %x) #0 { 48; ASM-LABEL: f2: 49; ASM: // %bb.0: 50; ASM-NEXT: nop 51; ASM-NEXT: nop 52; ASM: ldur w16, [x0, #-4] 53; ASM-NEXT: movk w17, #24910 54; ASM-NEXT: movk w17, #188, lsl #16 55; ASM-NEXT: cmp w16, w17 56; ASM-NEXT: b.eq .Ltmp1 57; ASM-NEXT: brk #0x8220 58; ASM-NEXT: .Ltmp1: 59; ASM-NEXT: br x0 60 61; MIR-LABEL: name: f2 62; MIR: body: 63 64; ISEL: TCRETURNri %0, 0, csr_aarch64_aapcs, implicit $sp, cfi-type 12345678 65 66; KCFI: BUNDLE{{.*}} { 67; KCFI-NEXT: KCFI_CHECK $x0, 12345678, implicit-def $x9, implicit-def $x16, implicit-def $x17, implicit-def $nzcv 68; KCFI-NEXT: TCRETURNri killed $x0, 0, csr_aarch64_aapcs, implicit $sp 69; KCFI-NEXT: } 70 71 tail call void %x() [ "kcfi"(i32 12345678) ] 72 ret void 73} 74 75attributes #0 = { "patchable-function-entry"="2" } 76 77!llvm.module.flags = !{!0} 78!0 = !{i32 4, !"kcfi", i32 1} 79!1 = !{i32 12345678} 80