1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
2 ; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
3 ; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
5 ; Make sure we need a single iteration to determine the chains are dead/alive.
7 declare i32 @source() nounwind readonly
9 define i32 @chain_dead(i32 %arg) {
10 ; CHECK: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
11 ; CHECK-LABEL: define {{[^@]+}}@chain_dead
12 ; CHECK-SAME: (i32 [[ARG:%.*]]) #[[ATTR1:[0-9]+]] {
13 ; CHECK-NEXT: ret i32 0
15 %init = call i32 @source()
16 %v0 = add i32 %arg, %init
17 %v1 = add i32 %init, %v0
18 %v2 = add i32 %v0, %v1
19 %v3 = add i32 %v1, %v2
20 %v4 = add i32 %v2, %v3
21 %v5 = add i32 %v3, %v4
22 %v6 = add i32 %v4, %v5
23 %v7 = add i32 %v5, %v6
24 %v8 = add i32 %v6, %v7
25 %v9 = add i32 %v7, %v8
29 define i32 @chain_alive(i32 %arg) {
30 ; CHECK: Function Attrs: nosync nounwind memory(read)
31 ; CHECK-LABEL: define {{[^@]+}}@chain_alive
32 ; CHECK-SAME: (i32 [[ARG:%.*]]) #[[ATTR2:[0-9]+]] {
33 ; CHECK-NEXT: [[INIT:%.*]] = call i32 @source() #[[ATTR2]]
34 ; CHECK-NEXT: [[V0:%.*]] = add i32 [[ARG]], [[INIT]]
35 ; CHECK-NEXT: [[V1:%.*]] = add i32 [[INIT]], [[V0]]
36 ; CHECK-NEXT: [[V2:%.*]] = add i32 [[V0]], [[V1]]
37 ; CHECK-NEXT: [[V3:%.*]] = add i32 [[V1]], [[V2]]
38 ; CHECK-NEXT: [[V4:%.*]] = add i32 [[V2]], [[V3]]
39 ; CHECK-NEXT: [[V5:%.*]] = add i32 [[V3]], [[V4]]
40 ; CHECK-NEXT: [[V6:%.*]] = add i32 [[V4]], [[V5]]
41 ; CHECK-NEXT: [[V7:%.*]] = add i32 [[V5]], [[V6]]
42 ; CHECK-NEXT: [[V8:%.*]] = add i32 [[V6]], [[V7]]
43 ; CHECK-NEXT: [[V9:%.*]] = add i32 [[V7]], [[V8]]
44 ; CHECK-NEXT: ret i32 [[V9]]
46 %init = call i32 @source()
47 %v0 = add i32 %arg, %init
48 %v1 = add i32 %init, %v0
49 %v2 = add i32 %v0, %v1
50 %v3 = add i32 %v1, %v2
51 %v4 = add i32 %v2, %v3
52 %v5 = add i32 %v3, %v4
53 %v6 = add i32 %v4, %v5
54 %v7 = add i32 %v5, %v6
55 %v8 = add i32 %v6, %v7
56 %v9 = add i32 %v7, %v8
60 ; CHECK: attributes #[[ATTR0:[0-9]+]] = { nounwind memory(read) }
61 ; CHECK: attributes #[[ATTR1]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
62 ; CHECK: attributes #[[ATTR2]] = { nosync nounwind memory(read) }
64 ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: