[PATCH] D149399: [hwasan][test] add test for hwasan-check-memaccess when hwasan-match-all-tag flag and short granules both used

[Mingjie Xu via Phabricator via llvm-commits]

Enna1 created this revision.
Herald added a project: All.
Enna1 added reviewers: vitalybuka, eugenis, pcc.
Enna1 added a subscriber: MTC.
Enna1 published this revision for review.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D149399

Files:
  llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll


Index: llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll
===================================================================
--- llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll
+++ llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll
@@ -36,6 +36,12 @@
   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 @@
 ; 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


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