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[hwasan][test] add test for hwasan-check-memaccess when hwasan-match-all-tag flag and short granules both used

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Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D149399
This commit is contained in:
Enna1 2023-04-28 16:56:40 +08:00
parent e5d98c15cb
commit 9baa85271d
1 changed files with 35 additions and 0 deletions
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35
llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll
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@ -36,6 +36,12 @@ define void @f3(ptr %x0, ptr %x1) {
ret void
}
define void @f4(ptr %x0, ptr %x1) {
; 0x1000010 (access-size-index = 0, is-write = 1, match-all = 0x0)
call void @llvm.hwasan.check.memaccess.shortgranules(ptr %x0, ptr %x1, i32 16777232)
ret void
}
declare void @llvm.hwasan.check.memaccess(ptr, ptr, i32)
declare void @llvm.hwasan.check.memaccess.shortgranules(ptr, ptr, i32)
@ -106,3 +112,32 @@ declare void @llvm.hwasan.check.memaccess.shortgranules(ptr, ptr, i32)
; CHECK-NEXT: mov x0, x1
; CHECK-NEXT: mov x1, #0
; CHECK-NEXT: b __hwasan_tag_mismatch
; CHECK: __hwasan_check_x1_16777232_short_v2:
; CHECK-NEXT: sbfx x16, x1, #4, #52
; CHECK-NEXT: ldrb w16, [x20, x16]
; CHECK-NEXT: cmp x16, x1, lsr #56
; CHECK-NEXT: b.ne .Ltmp7
; CHECK-NEXT: .Ltmp8:
; CHECK-NEXT: ret
; CHECK-NEXT: .Ltmp7:
; CHECK-NEXT: lsr x16, x1, #56
; CHECK-NEXT: cmp x16, #0
; CHECK-NEXT: b.eq .Ltmp8
; CHECK-NEXT: cmp w16, #15
; CHECK-NEXT: b.hi .Ltmp9
; CHECK-NEXT: and x17, x1, #0xf
; CHECK-NEXT: cmp w16, w17
; CHECK-NEXT: b.ls .Ltmp9
; CHECK-NEXT: orr x16, x1, #0xf
; CHECK-NEXT: ldrb w16, [x16]
; CHECK-NEXT: cmp x16, x1, lsr #56
; CHECK-NEXT: b.eq .Ltmp8
; CHECK-NEXT: .Ltmp9:
; CHECK-NEXT: stp x0, x1, [sp, #-256]!
; CHECK-NEXT: stp x29, x30, [sp, #232]
; CHECK-NEXT: mov x0, x1
; CHECK-NEXT: mov x1, #16
; CHECK-NEXT: adrp x16, :got:__hwasan_tag_mismatch_v2
; CHECK-NEXT: ldr x16, [x16, :got_lo12:__hwasan_tag_mismatch_v2]
; CHECK-NEXT: br x16