1 ; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S %s | FileCheck --match-full-lines %s
3 ; The branch in %cont has !annotation metadata. Make sure generated AND
4 ; has !annotation metadata.
5 define i32 @test_preserve_and(i8* %a, i8* %b, i8* %c, i8* %d) {
6 ; CHECK-LABEL: define {{.*}} @test_preserve_and({{.*}}
8 ; CHECK-NEXT: [[C_1:%.*]] = icmp ult i8* [[A:%.*]], [[B:%.*]], !annotation !0
9 ; CHECK-NEXT: [[C_2:%.*]] = icmp uge i8* [[C:%.*]], [[D:%.*]], !annotation !0
10 ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[C_1]], i1 [[C_2]], i1 false, !annotation !0
11 ; CHECK-NEXT: br i1 [[OR_COND]], label [[CONT1:%.*]], label [[TRAP:%.*]], !annotation !0
12 ; CHECK: trap: ; preds = %entry
13 ; CHECK-NEXT: call void @fn1()
14 ; CHECK-NEXT: unreachable
15 ; CHECK: cont1: ; preds = %entry
16 ; CHECK-NEXT: call void @fn2()
17 ; CHECK-NEXT: ret i32 0
20 %c.1 = icmp ult i8* %a, %b, !annotation !0
21 br i1 %c.1, label %cont, label %trap, !annotation !0
23 cont: ; preds = %entry
24 %c.2 = icmp uge i8* %c, %d, !annotation !0
25 br i1 %c.2, label %cont1, label %trap, !annotation !0
27 trap: ; preds = %cont, %entry
31 cont1: ; preds = %cont
36 ; The branch in %cont has !annotation metadata. Make sure generated OR
37 ; has !annotation metadata.
38 define i32 @test_preserve_or(i8* %a, i8* %b, i8* %c, i8* %d) {
39 ; CHECK-LABEL: define {{.*}} @test_preserve_or({{.*}}
41 ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8* [[A:%.*]], [[B:%.*]], !annotation !0
42 ; CHECK-NEXT: [[C_2:%.*]] = icmp uge i8* [[C:%.*]], [[D:%.*]], !annotation !0
43 ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[C_1]], i1 true, i1 [[C_2]], !annotation !0
44 ; CHECK-NEXT: br i1 [[OR_COND]], label [[TRAP:%.*]], label [[CONT1:%.*]], !annotation !0
45 ; CHECK: trap: ; preds = %entry
46 ; CHECK-NEXT: call void @fn1()
47 ; CHECK-NEXT: unreachable
48 ; CHECK: cont1: ; preds = %entry
49 ; CHECK-NEXT: call void @fn2()
50 ; CHECK-NEXT: ret i32 0
53 %c.1 = icmp ult i8* %a, %b, !annotation !0
54 br i1 %c.1, label %cont, label %trap, !annotation !0
56 cont: ; preds = %entry
57 %c.2 = icmp uge i8* %c, %d, !annotation !0
58 br i1 %c.2, label %trap, label %cont1, !annotation !0
60 trap: ; preds = %cont, %entry
64 cont1: ; preds = %cont
69 ; The branch in %cont has !annotation metadata. Make sure generated negation
70 ; and OR have !annotation metadata.
71 define i32 @test_preserve_or_not(i8* %a, i8* %b, i8* %c, i8* %d) {
72 ; CHECK-LABEL: define {{.*}} @test_preserve_or_not({{.*}}
74 ; CHECK-NEXT: [[C_1:%.*]] = icmp ult i8* [[A:%.*]], [[B:%.*]], !annotation !0
75 ; CHECK-NEXT: [[C_2:%.*]] = xor i1 [[C_1]], true
76 ; CHECK-NEXT: [[C_2_NOT:%.*]] = xor i1 [[C_2]], true, !annotation !0
77 ; CHECK-NEXT: [[C_3:%.*]] = icmp uge i8* [[C:%.*]], [[D:%.*]], !annotation !0
78 ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[C_2_NOT]], i1 true, i1 [[C_3]], !annotation !0
79 ; CHECK-NEXT: br i1 [[OR_COND]], label [[TRAP:%.*]], label [[CONT1:%.*]], !annotation !0
80 ; CHECK: trap: ; preds = %entry
81 ; CHECK-NEXT: call void @fn1()
82 ; CHECK-NEXT: unreachable
83 ; CHECK: cont1: ; preds = %entry
84 ; CHECK-NEXT: call void @fn2()
85 ; CHECK-NEXT: ret i32 0
88 %c.1 = icmp ult i8* %a, %b, !annotation !0
89 %c.2 = xor i1 %c.1, true
90 br i1 %c.2, label %cont, label %trap, !annotation !0
92 cont: ; preds = %entry
93 %c.3 = icmp uge i8* %c, %d, !annotation !0
94 br i1 %c.3, label %trap, label %cont1, !annotation !0
96 trap: ; preds = %cont, %entry
100 cont1: ; preds = %cont
106 ; The branch in %cont has no !annotation metadata. Make sure generated negation
107 ; and OR do not have !annotation metadata.
108 define i32 @test_or_not_no_annotation(i8* %a, i8* %b, i8* %c, i8* %d) {
109 ; CHECK-LABEL: define {{.*}} @test_or_not_no_annotation({{.*}}
111 ; CHECK-NEXT: [[C_1:%.*]] = icmp ult i8* [[A:%.*]], [[B:%.*]], !annotation !0
112 ; CHECK-NEXT: [[C_2:%.*]] = xor i1 [[C_1]], true
113 ; CHECK-NEXT: [[C_2_NOT:%.*]] = xor i1 [[C_2]], true
114 ; CHECK-NEXT: [[C_3:%.*]] = icmp uge i8* [[C:%.*]], [[D:%.*]], !annotation !0
115 ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[C_2_NOT]], i1 true, i1 [[C_3]]
116 ; CHECK-NEXT: br i1 [[OR_COND]], label [[TRAP:%.*]], label [[CONT1:%.*]], !annotation !0
117 ; CHECK: trap: ; preds = %entry
118 ; CHECK-NEXT: call void @fn1()
119 ; CHECK-NEXT: unreachable
120 ; CHECK: cont1: ; preds = %entry
121 ; CHECK-NEXT: call void @fn2()
122 ; CHECK-NEXT: ret i32 0
125 %c.1 = icmp ult i8* %a, %b, !annotation !0
126 %c.2 = xor i1 %c.1, true
127 br i1 %c.2, label %cont, label %trap, !annotation !0
129 cont: ; preds = %entry
130 %c.3 = icmp uge i8* %c, %d, !annotation !0
131 br i1 %c.3, label %trap, label %cont1
133 trap: ; preds = %cont, %entry
137 cont1: ; preds = %cont