[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
llvm-commits at lists.llvm.org
Fri Apr 28 01:58:07 PDT 2023
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG9baa85271dff: [hwasan][test] add test for hwasan-check-memaccess when hwasan-match-all-tag… (authored by Enna1).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D149399/new/
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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