[hwasan][test] add test for hwasan-check-memaccess when hwasan-match-all-tag flag...

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D149399

diff --git a/llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll b/llvm/test/CodeGen/AArch64/hwasan-check-memaccess.ll
index 018f58c..3aff1c2 100644 (file)
--- 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