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[hwasan][test] add test for hwasan-check-memaccess when hwasan-match-all-tag flag and short granules both used
Reviewed By: vitalybuka Differential Revision: https://reviews.llvm.org/D149399
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llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll

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@@ -36,6 +36,12 @@ define void @f3(ptr %x0, ptr %x1) {
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ret void
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}
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define void @f4(ptr %x0, ptr %x1) {
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; 0x1000010 (access-size-index = 0, is-write = 1, match-all = 0x0)
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call void @llvm.hwasan.check.memaccess.shortgranules(ptr %x0, ptr %x1, i32 16777232)
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ret void
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}
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declare void @llvm.hwasan.check.memaccess(ptr, ptr, i32)
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declare void @llvm.hwasan.check.memaccess.shortgranules(ptr, ptr, i32)
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@@ -106,3 +112,32 @@ declare void @llvm.hwasan.check.memaccess.shortgranules(ptr, ptr, i32)
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; CHECK-NEXT: mov x0, x1
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; CHECK-NEXT: mov x1, #0
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; CHECK-NEXT: b __hwasan_tag_mismatch
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; CHECK: __hwasan_check_x1_16777232_short_v2:
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; CHECK-NEXT: sbfx x16, x1, #4, #52
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; CHECK-NEXT: ldrb w16, [x20, x16]
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; CHECK-NEXT: cmp x16, x1, lsr #56
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; CHECK-NEXT: b.ne .Ltmp7
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; CHECK-NEXT: .Ltmp8:
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; CHECK-NEXT: ret
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; CHECK-NEXT: .Ltmp7:
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; CHECK-NEXT: lsr x16, x1, #56
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; CHECK-NEXT: cmp x16, #0
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; CHECK-NEXT: b.eq .Ltmp8
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; CHECK-NEXT: cmp w16, #15
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; CHECK-NEXT: b.hi .Ltmp9
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; CHECK-NEXT: and x17, x1, #0xf
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; CHECK-NEXT: cmp w16, w17
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; CHECK-NEXT: b.ls .Ltmp9
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; CHECK-NEXT: orr x16, x1, #0xf
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; CHECK-NEXT: ldrb w16, [x16]
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; CHECK-NEXT: cmp x16, x1, lsr #56
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; CHECK-NEXT: b.eq .Ltmp8
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; CHECK-NEXT: .Ltmp9:
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; CHECK-NEXT: stp x0, x1, [sp, #-256]!
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; CHECK-NEXT: stp x29, x30, [sp, #232]
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; CHECK-NEXT: mov x0, x1
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; CHECK-NEXT: mov x1, #16
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; CHECK-NEXT: adrp x16, :got:__hwasan_tag_mismatch_v2
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; CHECK-NEXT: ldr x16, [x16, :got_lo12:__hwasan_tag_mismatch_v2]
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; CHECK-NEXT: br x16

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