1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -jump-threading -S %s -o - | FileCheck %s --check-prefix=DEFAULT
3 ; RUN: opt -jump-threading -S -jump-threading-threshold=6 %s -o - | FileCheck %s --check-prefix=OVERIDE
5 @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
6 define i32 @test_minsize(i32 %argc, i8** nocapture readonly %argv) local_unnamed_addr #0 {
7 ; DEFAULT-LABEL: @test_minsize(
9 ; DEFAULT-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2
10 ; DEFAULT-NEXT: br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[COND_END:%.*]]
12 ; DEFAULT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[ARGV:%.*]], i32 1
13 ; DEFAULT-NEXT: [[TMP0:%.*]] = load i8*, i8** [[ARRAYIDX]], align 4
14 ; DEFAULT-NEXT: [[CALL:%.*]] = tail call i32 @atoi(i8* [[TMP0]])
15 ; DEFAULT-NEXT: br label [[COND_END]]
17 ; DEFAULT-NEXT: [[COND:%.*]] = phi i32 [ [[CALL]], [[COND_TRUE]] ], [ 46, [[ENTRY:%.*]] ]
18 ; DEFAULT-NEXT: [[TMP1:%.*]] = mul i32 [[COND]], [[COND]]
19 ; DEFAULT-NEXT: [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]]
20 ; DEFAULT-NEXT: [[TMP3:%.*]] = mul i32 [[COND]], [[TMP2]]
21 ; DEFAULT-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[COND]], 0
22 ; DEFAULT-NEXT: br i1 [[TMP4]], label [[TMP5:%.*]], label [[TMP6:%.*]]
24 ; DEFAULT-NEXT: br label [[TMP6]]
26 ; DEFAULT-NEXT: [[TMP7:%.*]] = phi i32 [ [[COND]], [[TMP5]] ], [ 0, [[COND_END]] ]
27 ; DEFAULT-NEXT: [[TMP8:%.*]] = mul i32 [[TMP3]], [[TMP7]]
28 ; DEFAULT-NEXT: [[CALL33:%.*]] = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 [[TMP8]])
29 ; DEFAULT-NEXT: ret i32 0
31 ; OVERIDE-LABEL: @test_minsize(
32 ; OVERIDE-NEXT: entry:
33 ; OVERIDE-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2
34 ; OVERIDE-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_END_THREAD:%.*]]
36 ; OVERIDE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[ARGV:%.*]], i32 1
37 ; OVERIDE-NEXT: [[TMP0:%.*]] = load i8*, i8** [[ARRAYIDX]], align 4
38 ; OVERIDE-NEXT: [[CALL:%.*]] = tail call i32 @atoi(i8* [[TMP0]])
39 ; OVERIDE-NEXT: [[TMP1:%.*]] = mul i32 [[CALL]], [[CALL]]
40 ; OVERIDE-NEXT: [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]]
41 ; OVERIDE-NEXT: [[TMP3:%.*]] = mul i32 [[CALL]], [[TMP2]]
42 ; OVERIDE-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[CALL]], 0
43 ; OVERIDE-NEXT: br i1 [[TMP4]], label [[COND_END_THREAD]], label [[TMP6:%.*]]
44 ; OVERIDE: cond.end.thread:
45 ; OVERIDE-NEXT: [[TMP5:%.*]] = phi i32 [ [[TMP3]], [[COND_END]] ], [ 205962976, [[ENTRY:%.*]] ]
46 ; OVERIDE-NEXT: [[COND2:%.*]] = phi i32 [ [[CALL]], [[COND_END]] ], [ 46, [[ENTRY]] ]
47 ; OVERIDE-NEXT: br label [[TMP6]]
49 ; OVERIDE-NEXT: [[TMP7:%.*]] = phi i32 [ [[TMP5]], [[COND_END_THREAD]] ], [ [[TMP3]], [[COND_END]] ]
50 ; OVERIDE-NEXT: [[TMP8:%.*]] = phi i32 [ [[COND2]], [[COND_END_THREAD]] ], [ 0, [[COND_END]] ]
51 ; OVERIDE-NEXT: [[TMP9:%.*]] = mul i32 [[TMP7]], [[TMP8]]
52 ; OVERIDE-NEXT: [[CALL33:%.*]] = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 [[TMP9]])
53 ; OVERIDE-NEXT: ret i32 0
56 %cmp = icmp eq i32 %argc, 2
57 br i1 %cmp, label %cond.true, label %cond.end
59 cond.true: ; preds = %entry
60 %arrayidx = getelementptr inbounds i8*, i8** %argv, i32 1
61 %0 = load i8*, i8** %arrayidx, align 4
62 %call = tail call i32 @atoi(i8* %0)
65 cond.end: ; preds = %entry, %cond.true
66 %cond = phi i32 [ %call, %cond.true ], [ 46, %entry ]
67 %1 = mul i32 %cond, %cond
69 %3 = mul i32 %cond, %2
70 %4 = icmp sgt i32 %cond, 0
71 %spec.select = select i1 %4, i32 %cond, i32 0
72 %5 = mul i32 %3, %spec.select
73 %call33 = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %5) #4
77 define i32 @test_optsize(i32 %argc, i8** nocapture readonly %argv) local_unnamed_addr #1 {
78 ; DEFAULT-LABEL: @test_optsize(
79 ; DEFAULT-NEXT: entry:
80 ; DEFAULT-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2
81 ; DEFAULT-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_END_THREAD:%.*]]
83 ; DEFAULT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[ARGV:%.*]], i32 1
84 ; DEFAULT-NEXT: [[TMP0:%.*]] = load i8*, i8** [[ARRAYIDX]], align 4
85 ; DEFAULT-NEXT: [[CALL:%.*]] = tail call i32 @atoi(i8* [[TMP0]])
86 ; DEFAULT-NEXT: [[TMP1:%.*]] = mul i32 [[CALL]], [[CALL]]
87 ; DEFAULT-NEXT: [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]]
88 ; DEFAULT-NEXT: [[TMP3:%.*]] = mul i32 [[CALL]], [[TMP2]]
89 ; DEFAULT-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[CALL]], 0
90 ; DEFAULT-NEXT: br i1 [[TMP4]], label [[COND_END_THREAD]], label [[TMP6:%.*]]
91 ; DEFAULT: cond.end.thread:
92 ; DEFAULT-NEXT: [[TMP5:%.*]] = phi i32 [ [[TMP3]], [[COND_END]] ], [ 205962976, [[ENTRY:%.*]] ]
93 ; DEFAULT-NEXT: [[COND2:%.*]] = phi i32 [ [[CALL]], [[COND_END]] ], [ 46, [[ENTRY]] ]
94 ; DEFAULT-NEXT: br label [[TMP6]]
96 ; DEFAULT-NEXT: [[TMP7:%.*]] = phi i32 [ [[TMP5]], [[COND_END_THREAD]] ], [ [[TMP3]], [[COND_END]] ]
97 ; DEFAULT-NEXT: [[TMP8:%.*]] = phi i32 [ [[COND2]], [[COND_END_THREAD]] ], [ 0, [[COND_END]] ]
98 ; DEFAULT-NEXT: [[TMP9:%.*]] = mul i32 [[TMP7]], [[TMP8]]
99 ; DEFAULT-NEXT: [[CALL33:%.*]] = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 [[TMP9]])
100 ; DEFAULT-NEXT: ret i32 0
102 ; OVERIDE-LABEL: @test_optsize(
103 ; OVERIDE-NEXT: entry:
104 ; OVERIDE-NEXT: [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2
105 ; OVERIDE-NEXT: br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_END_THREAD:%.*]]
107 ; OVERIDE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[ARGV:%.*]], i32 1
108 ; OVERIDE-NEXT: [[TMP0:%.*]] = load i8*, i8** [[ARRAYIDX]], align 4
109 ; OVERIDE-NEXT: [[CALL:%.*]] = tail call i32 @atoi(i8* [[TMP0]])
110 ; OVERIDE-NEXT: [[TMP1:%.*]] = mul i32 [[CALL]], [[CALL]]
111 ; OVERIDE-NEXT: [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]]
112 ; OVERIDE-NEXT: [[TMP3:%.*]] = mul i32 [[CALL]], [[TMP2]]
113 ; OVERIDE-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[CALL]], 0
114 ; OVERIDE-NEXT: br i1 [[TMP4]], label [[COND_END_THREAD]], label [[TMP6:%.*]]
115 ; OVERIDE: cond.end.thread:
116 ; OVERIDE-NEXT: [[TMP5:%.*]] = phi i32 [ [[TMP3]], [[COND_END]] ], [ 205962976, [[ENTRY:%.*]] ]
117 ; OVERIDE-NEXT: [[COND2:%.*]] = phi i32 [ [[CALL]], [[COND_END]] ], [ 46, [[ENTRY]] ]
118 ; OVERIDE-NEXT: br label [[TMP6]]
120 ; OVERIDE-NEXT: [[TMP7:%.*]] = phi i32 [ [[TMP5]], [[COND_END_THREAD]] ], [ [[TMP3]], [[COND_END]] ]
121 ; OVERIDE-NEXT: [[TMP8:%.*]] = phi i32 [ [[COND2]], [[COND_END_THREAD]] ], [ 0, [[COND_END]] ]
122 ; OVERIDE-NEXT: [[TMP9:%.*]] = mul i32 [[TMP7]], [[TMP8]]
123 ; OVERIDE-NEXT: [[CALL33:%.*]] = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 [[TMP9]])
124 ; OVERIDE-NEXT: ret i32 0
127 %cmp = icmp eq i32 %argc, 2
128 br i1 %cmp, label %cond.true, label %cond.end
130 cond.true: ; preds = %entry
131 %arrayidx = getelementptr inbounds i8*, i8** %argv, i32 1
132 %0 = load i8*, i8** %arrayidx, align 4
133 %call = tail call i32 @atoi(i8* %0)
136 cond.end: ; preds = %entry, %cond.true
137 %cond = phi i32 [ %call, %cond.true ], [ 46, %entry ]
138 %1 = mul i32 %cond, %cond
140 %3 = mul i32 %cond, %2
141 %4 = icmp sgt i32 %cond, 0
142 %spec.select = select i1 %4, i32 %cond, i32 0
143 %5 = mul i32 %3, %spec.select
144 %call33 = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %5) #4
147 declare i32 @atoi(i8* nocapture) local_unnamed_addr
148 declare i32 @printf(i8* nocapture readonly, ...) local_unnamed_addr
150 attributes #0 = { minsize optsize }
151 attributes #1 = { optsize }