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1; RUN: opt -bool-ret-to-int -S -o - < %s | FileCheck %s
2
3target datalayout = "e-m:e-i64:64-n32:64"
4target triple = "powerpc64le-unknown-linux-gnu"
5
6; CHECK-LABEL: notBoolRet
7define signext i32 @notBoolRet() {
8entry:
9; CHECK: ret i32 1
10  ret i32 1
11}
12
13; CHECK-LABEL: find
14define zeroext i1 @find(i8** readonly %begin, i8** readnone %end, i1 (i8*)* nocapture %hasProp) {
15entry:
16  %cmp.4 = icmp eq i8** %begin, %end
17  br i1 %cmp.4, label %cleanup, label %for.body.preheader
18
19for.body.preheader:                               ; preds = %entry
20  br label %for.body
21
22for.cond:                                         ; preds = %for.body
23  %cmp = icmp eq i8** %incdec.ptr, %end
24  br i1 %cmp, label %cleanup.loopexit, label %for.body
25
26for.body:                                         ; preds = %for.body.preheader, %for.cond
27  %curr.05 = phi i8** [ %incdec.ptr, %for.cond ], [ %begin, %for.body.preheader ]
28  %0 = load i8*, i8** %curr.05, align 8
29  %call = tail call zeroext i1 %hasProp(i8* %0)
30  %incdec.ptr = getelementptr inbounds i8*, i8** %curr.05, i64 1
31  br i1 %call, label %cleanup.loopexit, label %for.cond
32
33cleanup.loopexit:                                 ; preds = %for.body, %for.cond
34; CHECK: [[PHI:%.+]] = phi i32 [ 1, %for.body ], [ 0, %for.cond ]
35  %cleanup.dest.slot.0.ph = phi i1 [ true, %for.body ], [ false, %for.cond ]
36  br label %cleanup
37
38cleanup:                                          ; preds = %cleanup.loopexit, %entry
39; CHECK: = phi i32 [ 0, %entry ], [ [[PHI]], %cleanup.loopexit ]
40  %cleanup.dest.slot.0 = phi i1 [ false, %entry ], [ %cleanup.dest.slot.0.ph, %cleanup.loopexit ]
41; CHECK: [[REG:%.+]] = trunc i32 {{%.+}} to i1
42; CHECK: ret i1 [[REG]]
43  ret i1 %cleanup.dest.slot.0
44}
45
46; CHECK-LABEL: retFalse
47define zeroext i1 @retFalse() {
48entry:
49; CHECK: ret i1 false
50  ret i1 false
51}
52
53; CHECK-LABEL: retCvtFalse
54define zeroext i1 @retCvtFalse() {
55entry:
56; CHECK: ret i1 false
57  ret i1 trunc(i32 0 to i1)
58}
59
60; CHECK-LABEL: find_cont
61define void @find_cont(i8** readonly %begin, i8** readnone %end, i1 (i8*)* nocapture %hasProp, void (i1)* nocapture %cont) {
62entry:
63  %cmp.4 = icmp eq i8** %begin, %end
64  br i1 %cmp.4, label %cleanup, label %for.body.preheader
65
66for.body.preheader:                               ; preds = %entry
67  br label %for.body
68
69for.cond:                                         ; preds = %for.body
70  %cmp = icmp eq i8** %incdec.ptr, %end
71  br i1 %cmp, label %cleanup.loopexit, label %for.body
72
73for.body:                                         ; preds = %for.body.preheader, %for.cond
74  %curr.05 = phi i8** [ %incdec.ptr, %for.cond ], [ %begin, %for.body.preheader ]
75  %0 = load i8*, i8** %curr.05, align 8
76  %call = tail call zeroext i1 %hasProp(i8* %0)
77  %incdec.ptr = getelementptr inbounds i8*, i8** %curr.05, i64 1
78  br i1 %call, label %cleanup.loopexit, label %for.cond
79
80cleanup.loopexit:                                 ; preds = %for.body, %for.cond
81; CHECK: [[PHI:%.+]] = phi i32 [ 1, %for.body ], [ 0, %for.cond ]
82  %cleanup.dest.slot.0.ph = phi i1 [ true, %for.body ], [ false, %for.cond ]
83  br label %cleanup
84
85cleanup:                                          ; preds = %cleanup.loopexit, %entry
86; CHECK: = phi i32 [ 0, %entry ], [ [[PHI]], %cleanup.loopexit ]
87  %cleanup.dest.slot.0 = phi i1 [ false, %entry ], [ %cleanup.dest.slot.0.ph, %cleanup.loopexit ]
88; CHECK: [[REG:%.+]] = trunc i32 {{%.+}} to i1
89; CHECK: call void %cont(i1 [[REG]]
90  tail call void %cont(i1 %cleanup.dest.slot.0)
91  ret void
92}
93
94; CHECK-LABEL: find_cont_ret
95define zeroext i1 @find_cont_ret(i8** readonly %begin, i8** readnone %end, i1 (i8*)* nocapture %hasProp, void (i1)* nocapture %cont) {
96entry:
97  %cmp.4 = icmp eq i8** %begin, %end
98  br i1 %cmp.4, label %cleanup, label %for.body.preheader
99
100for.body.preheader:                               ; preds = %entry
101  br label %for.body
102
103for.cond:                                         ; preds = %for.body
104  %cmp = icmp eq i8** %incdec.ptr, %end
105  br i1 %cmp, label %cleanup.loopexit, label %for.body
106
107for.body:                                         ; preds = %for.body.preheader, %for.cond
108  %curr.05 = phi i8** [ %incdec.ptr, %for.cond ], [ %begin, %for.body.preheader ]
109  %0 = load i8*, i8** %curr.05, align 8
110  %call = tail call zeroext i1 %hasProp(i8* %0)
111  %incdec.ptr = getelementptr inbounds i8*, i8** %curr.05, i64 1
112  br i1 %call, label %cleanup.loopexit, label %for.cond
113
114cleanup.loopexit:                                 ; preds = %for.body, %for.cond
115; CHECK: [[PHI:%.+]] = phi i32 [ 1, %for.body ], [ 0, %for.cond ]
116  %cleanup.dest.slot.0.ph = phi i1 [ true, %for.body ], [ false, %for.cond ]
117  br label %cleanup
118
119cleanup:                                          ; preds = %cleanup.loopexit, %entry
120; CHECK: = phi i32 [ 0, %entry ], [ [[PHI]], %cleanup.loopexit ]
121  %cleanup.dest.slot.0 = phi i1 [ false, %entry ], [ %cleanup.dest.slot.0.ph, %cleanup.loopexit ]
122; CHECK: [[REG:%.+]] = trunc i32 {{%.+}} to i1
123; CHECK: call void %cont(i1 [[REG]]
124  tail call void %cont(i1 %cleanup.dest.slot.0)
125; CHECK: [[REG:%.+]] = trunc i32 {{%.+}} to i1
126; CHECK: ret i1 [[REG]]
127  ret i1 %cleanup.dest.slot.0
128}
129
130; CHECK-LABEL: arg_operand
131define zeroext i1 @arg_operand(i1 %operand) {
132entry:
133  br i1 %operand, label %foo, label %cleanup
134
135foo:
136  br label %cleanup
137
138cleanup:
139; CHECK: [[REG:%.+]] = trunc i32 {{%.+}} to i1
140; CHECK: ret i1 [[REG]]
141  %result = phi i1 [ false, %foo ], [ %operand, %entry ]
142  ret i1 %result
143}
144
145; CHECK-LABEL: bad_use
146define zeroext i1 @bad_use(i1 %operand) {
147entry:
148  br i1 %operand, label %foo, label %cleanup
149
150foo:
151  br label %cleanup
152
153cleanup:
154; CHECK: [[REG:%.+]] = phi i1
155; CHECK: ret i1 [[REG]]
156  %result = phi i1 [ false, %foo], [ true, %entry ]
157  %0 = icmp eq i1 %result, %operand
158  ret i1 %result
159}
160
161; CHECK-LABEL: bad_use_closure
162define zeroext i1 @bad_use_closure(i1 %operand) {
163entry:
164  br i1 %operand, label %foo, label %cleanup
165
166foo:
167  %bar = phi i1 [ false, %entry ]
168  %0 = icmp eq i1 %bar, %operand
169  br label %cleanup
170
171cleanup:
172; CHECK: [[REG:%.+]] = phi i1 [ true
173; CHECK: ret i1 [[REG]]
174  %result = phi i1 [ true, %entry ], [ %bar, %foo]
175  ret i1 %result
176}
177
178; CHECK-LABEL: arg_test
179define zeroext i1 @arg_test(i1 %operand) {
180entry:
181  br i1 %operand, label %foo, label %cleanup
182
183foo:
184  %bar = phi i1 [ false, %entry ]
185  br label %cleanup
186
187; CHECK-LABEL: cleanup
188cleanup:
189; CHECK: [[REG:%.+]] = trunc i32 {{%.+}} to i1
190; CHECK: ret i1 [[REG]]
191  %result = phi i1 [ %bar, %foo], [ %operand, %entry ]
192  ret i1 %result
193}
194
195declare zeroext i1 @return_i1()
196
197; CHECK-LABEL: call_test
198define zeroext i1 @call_test() {
199; CHECK: [[REG:%.+]] = call i1
200  %result = call i1 @return_i1()
201; CHECK: ret i1 [[REG]]
202  ret i1 %result
203}