1; RUN: opt < %s -dfsan -dfsan-args-abi -dfsan-abilist=%S/Inputs/abilist.txt -S | FileCheck %s
2; RUN: opt < %s -dfsan                 -dfsan-abilist=%S/Inputs/abilist.txt -S | FileCheck %s
3target triple = "x86_64-unknown-linux-gnu"
4
5; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]]
6; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]]
7
8; Declare a custom varargs function.
9declare i16 @custom_varargs(i64, ...)
10
11; CHECK-LABEL: @call_custom_varargs.dfsan
12define void @call_custom_varargs(i8* %buf) {
13  ;; All arguments have an annotation.  Check that the transformed function
14  ;; preserves each annotation.
15
16  ; CHECK: call zeroext i16 (i64, i[[#SBITS]], i[[#SBITS]]*, i[[#SBITS]]*, ...)
17  ; CHECK-SAME: @__dfsw_custom_varargs
18  ; CHECK-SAME: i64 signext 200
19  ; CHECK-SAME: i8* nonnull
20  ; CHECK-SAME: i64 zeroext 20
21  ; CHECK-SAME: i32 signext 1
22  %call = call zeroext i16 (i64, ...) @custom_varargs(
23    i64 signext 200,
24    i8* nonnull %buf,
25    i64 zeroext 20,
26    i32 signext 1
27  )
28  ret void
29}
30