1; RUN: opt < %s -dfsan -S | FileCheck %s --check-prefixes=CHECK,TLS_ABI,TLS_ABI_LEGACY
2; RUN: opt < %s -dfsan -dfsan-args-abi -S | FileCheck %s --check-prefixes=CHECK,ARGS_ABI
3; RUN: opt < %s -dfsan -dfsan-fast-16-labels=true -S | FileCheck %s --check-prefixes=CHECK,TLS_ABI,TLS_ABI_FAST
4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]]
8; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]]
9
10define <4 x i4> @pass_vector(<4 x i4> %v) {
11  ; ARGS_ABI-LABEL: @"dfs$pass_vector"
12  ; ARGS_ABI-SAME: (<4 x i4> %[[VEC:.*]], i[[#SBITS]] %[[LABEL:.*]])
13  ; ARGS_ABI-NEXT: %[[#REG:]] = insertvalue { <4 x i4>, i[[#SBITS]] } undef, <4 x i4> %[[VEC]], 0
14  ; ARGS_ABI-NEXT: %[[#REG+1]] = insertvalue { <4 x i4>, i[[#SBITS]] } %[[#REG]], i[[#SBITS]] %[[LABEL]], 1
15  ; ARGS_ABI-NEXT: ret { <4 x i4>, i[[#SBITS]] }
16
17  ; TLS_ABI-LABEL: @"dfs$pass_vector"
18  ; TLS_ABI-NEXT: %[[#REG:]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_arg_tls to i[[#SBITS]]*), align [[ALIGN:2]]
19  ; TLS_ABI-NEXT: store i[[#SBITS]] %[[#REG]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_retval_tls to i[[#SBITS]]*), align [[ALIGN]]
20  ; TLS_ABI-NEXT: ret <4 x i4> %v
21  ret <4 x i4> %v
22}
23
24define void @load_update_store_vector(<4 x i4>* %p) {
25  ; TLS_ABI-LABEL: @"dfs$load_update_store_vector"
26  ; TLS_ABI: {{.*}} = load i[[#SBITS]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_arg_tls to i[[#SBITS]]*), align 2
27
28  %v = load <4 x i4>, <4 x i4>* %p
29  %e2 = extractelement <4 x i4> %v, i32 2
30  %v1 = insertelement <4 x i4> %v, i4 %e2, i32 0
31  store <4 x i4> %v1, <4 x i4>* %p
32  ret void
33}
34
35define <4 x i1> @icmp_vector(<4 x i8> %a, <4 x i8> %b) {
36  ; TLS_ABI-LABEL: @"dfs$icmp_vector"
37  ; TLS_ABI-NEXT: %[[B:.*]] = load i[[#SBITS]], i[[#SBITS]]* inttoptr (i64 add (i64 ptrtoint ([100 x i64]* @__dfsan_arg_tls to i64), i64 2) to i[[#SBITS]]*), align [[ALIGN:2]]
38  ; TLS_ABI-NEXT: %[[A:.*]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_arg_tls to i[[#SBITS]]*), align [[ALIGN]]
39
40  ; TLS_ABI_LEGACY: %[[U:.*]] = call zeroext i[[#SBITS]] @__dfsan_union(i[[#SBITS]] zeroext %[[A]], i[[#SBITS]] zeroext %[[B]])
41  ; TLS_ABI_LEGACY: %[[L:.*]] = phi i[[#SBITS]] [ %[[U]], {{.*}} ], [ %[[A]], {{.*}} ]
42
43  ; COM: With fast labels enabled, union is just an OR.
44  ; TLS_ABI_FAST: %[[L:.*]] = or i[[#SBITS]] %[[A]], %[[B]]
45
46  ; TLS_ABI: %r = icmp eq <4 x i8> %a, %b
47  ; TLS_ABI: store i[[#SBITS]] %[[L]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_retval_tls to i[[#SBITS]]*), align [[ALIGN]]
48  ; TLS_ABI: ret <4 x i1> %r
49
50  %r = icmp eq <4 x i8> %a, %b
51  ret <4 x i1> %r
52}
53
54define <2 x i32> @const_vector() {
55  ; TLS_ABI-LABEL: @"dfs$const_vector"
56  ; TLS_ABI-NEXT: store i[[#SBITS]] 0, i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
57  ; TLS_ABI-NEXT: ret <2 x i32> <i32 42, i32 11>
58
59  ret <2 x i32> < i32 42, i32 11 >
60}
61
62define <4 x i4> @call_vector(<4 x i4> %v) {
63  ; TLS_ABI-LABEL: @"dfs$call_vector"
64  ; TLS_ABI-NEXT: %[[V:.*]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_arg_tls to i[[#SBITS]]*), align [[ALIGN:2]]
65  ; TLS_ABI-NEXT: store i[[#SBITS]] %[[V]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_arg_tls to i[[#SBITS]]*), align [[ALIGN]]
66  ; TLS_ABI-NEXT: %r = call <4 x i4> @"dfs$pass_vector"(<4 x i4> %v)
67  ; TLS_ABI-NEXT: %_dfsret = load i[[#SBITS]], i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_retval_tls to i[[#SBITS]]*), align [[ALIGN]]
68  ; TLS_ABI-NEXT: store i[[#SBITS]] %_dfsret, i[[#SBITS]]* bitcast ([100 x i64]* @__dfsan_retval_tls to i[[#SBITS]]*), align [[ALIGN]]
69  ; TLS_ABI-NEXT: ret <4 x i4> %r
70
71  %r = call <4 x i4> @pass_vector(<4 x i4> %v)
72  ret <4 x i4> %r
73}
74