| ; RUN: llc < %s | FileCheck %s |
| |
| target triple = "aarch64--linux-android" |
| |
| define i8* @f1(i8* %x0, i8* %x1) { |
| ; CHECK: f1: |
| ; CHECK: str x30, [sp, #-16]! |
| ; CHECK-NEXT: .cfi_def_cfa_offset 16 |
| ; CHECK-NEXT: .cfi_offset w30, -16 |
| ; CHECK-NEXT: mov x9, x0 |
| ; CHECK-NEXT: mov x0, x1 |
| ; CHECK-NEXT: bl __hwasan_check_x1_1 |
| ; CHECK-NEXT: ldr x30, [sp], #16 |
| ; CHECK-NEXT: ret |
| call void @llvm.hwasan.check.memaccess(i8* %x0, i8* %x1, i32 1) |
| ret i8* %x1 |
| } |
| |
| define i8* @f2(i8* %x0, i8* %x1) { |
| ; CHECK: f2: |
| ; CHECK: stp x30, x20, [sp, #-16]! |
| ; CHECK-NEXT: .cfi_def_cfa_offset 16 |
| ; CHECK-NEXT: .cfi_offset w20, -8 |
| ; CHECK-NEXT: .cfi_offset w30, -16 |
| ; CHECK-NEXT: mov x20, x1 |
| ; CHECK-NEXT: bl __hwasan_check_x0_2_short_v2 |
| ; CHECK-NEXT: ldp x30, x20, [sp], #16 |
| ; CHECK-NEXT: ret |
| call void @llvm.hwasan.check.memaccess.shortgranules(i8* %x1, i8* %x0, i32 2) |
| ret i8* %x0 |
| } |
| |
| define void @f3(i8* %x0, i8* %x1) { |
| ; 0x3ff0000 (kernel, match-all = 0xff) |
| call void @llvm.hwasan.check.memaccess(i8* %x0, i8* %x1, i32 67043328) |
| ret void |
| } |
| |
| declare void @llvm.hwasan.check.memaccess(i8*, i8*, i32) |
| declare void @llvm.hwasan.check.memaccess.shortgranules(i8*, i8*, i32) |
| |
| ; CHECK: .section .text.hot,"axG",@progbits,__hwasan_check_x0_2_short_v2,comdat |
| ; CHECK-NEXT: .type __hwasan_check_x0_2_short_v2,@function |
| ; CHECK-NEXT: .weak __hwasan_check_x0_2_short_v2 |
| ; CHECK-NEXT: .hidden __hwasan_check_x0_2_short_v2 |
| ; CHECK-NEXT: __hwasan_check_x0_2_short_v2: |
| ; CHECK-NEXT: sbfx x16, x0, #4, #52 |
| ; CHECK-NEXT: ldrb w16, [x20, x16] |
| ; CHECK-NEXT: cmp x16, x0, lsr #56 |
| ; CHECK-NEXT: b.ne .Ltmp0 |
| ; CHECK-NEXT: .Ltmp1: |
| ; CHECK-NEXT: ret |
| ; CHECK-NEXT: .Ltmp0: |
| ; CHECK-NEXT: cmp w16, #15 |
| ; CHECK-NEXT: b.hi .Ltmp2 |
| ; CHECK-NEXT: and x17, x0, #0xf |
| ; CHECK-NEXT: add x17, x17, #3 |
| ; CHECK-NEXT: cmp w16, w17 |
| ; CHECK-NEXT: b.ls .Ltmp2 |
| ; CHECK-NEXT: orr x16, x0, #0xf |
| ; CHECK-NEXT: ldrb w16, [x16] |
| ; CHECK-NEXT: cmp x16, x0, lsr #56 |
| ; CHECK-NEXT: b.eq .Ltmp1 |
| ; CHECK-NEXT: .Ltmp2: |
| ; CHECK-NEXT: stp x0, x1, [sp, #-256]! |
| ; CHECK-NEXT: stp x29, x30, [sp, #232] |
| ; CHECK-NEXT: mov x1, #2 |
| ; CHECK-NEXT: adrp x16, :got:__hwasan_tag_mismatch_v2 |
| ; CHECK-NEXT: ldr x16, [x16, :got_lo12:__hwasan_tag_mismatch_v2] |
| ; CHECK-NEXT: br x16 |
| |
| |
| ; CHECK: .section .text.hot,"axG",@progbits,__hwasan_check_x1_1,comdat |
| ; CHECK-NEXT: .type __hwasan_check_x1_1,@function |
| ; CHECK-NEXT: .weak __hwasan_check_x1_1 |
| ; CHECK-NEXT: .hidden __hwasan_check_x1_1 |
| ; CHECK-NEXT: __hwasan_check_x1_1: |
| ; CHECK-NEXT: sbfx x16, x1, #4, #52 |
| ; CHECK-NEXT: ldrb w16, [x9, x16] |
| ; CHECK-NEXT: cmp x16, x1, lsr #56 |
| ; CHECK-NEXT: b.ne .Ltmp3 |
| ; CHECK-NEXT: .Ltmp4: |
| ; CHECK-NEXT: ret |
| ; CHECK-NEXT: .Ltmp3: |
| ; CHECK-NEXT: stp x0, x1, [sp, #-256]! |
| ; CHECK-NEXT: stp x29, x30, [sp, #232] |
| ; CHECK-NEXT: mov x0, x1 |
| ; CHECK-NEXT: mov x1, #1 |
| ; CHECK-NEXT: adrp x16, :got:__hwasan_tag_mismatch |
| ; CHECK-NEXT: ldr x16, [x16, :got_lo12:__hwasan_tag_mismatch] |
| ; CHECK-NEXT: br x16 |
| |
| ; CHECK: __hwasan_check_x1_67043328: |
| ; CHECK-NEXT: sbfx x16, x1, #4, #52 |
| ; CHECK-NEXT: ldrb w16, [x9, x16] |
| ; CHECK-NEXT: cmp x16, x1, lsr #56 |
| ; CHECK-NEXT: b.ne .Ltmp5 |
| ; CHECK-NEXT: .Ltmp6: |
| ; CHECK-NEXT: ret |
| ; CHECK-NEXT: .Ltmp5: |
| ; CHECK-NEXT: lsr x16, x1, #56 |
| ; CHECK-NEXT: cmp x16, #255 |
| ; CHECK-NEXT: b.eq .Ltmp6 |
| ; CHECK-NEXT: stp x0, x1, [sp, #-256]! |
| ; CHECK-NEXT: stp x29, x30, [sp, #232] |
| ; CHECK-NEXT: mov x0, x1 |
| ; CHECK-NEXT: mov x1, #0 |
| ; CHECK-NEXT: b __hwasan_tag_mismatch |