[llvm] 9baa852 - [hwasan][test] add test for hwasan-check-memaccess when hwasan-match-all-tag flag and short granules both used

[via llvm-commits]

Author: Enna1
Date: 2023-04-28T16:57:31+08:00
New Revision: 9baa85271dff411dace755c879cef1412c69ebd9

URL: https://github.com/llvm/llvm-project/commit/9baa85271dff411dace755c879cef1412c69ebd9
DIFF: https://github.com/llvm/llvm-project/commit/9baa85271dff411dace755c879cef1412c69ebd9.diff

LOG: [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

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll b/llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll
index 018f58c36eb1..3aff1c2906de 100644
--- a/llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll
+++ b/llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll
@@ -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