1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -print-predicateinfo -analyze < %s 2>&1 | FileCheck %s
3 ; Don't insert predicate info for conditions with a single target.
4 @a = global i32 1, align 4
5 @d = common global i32 0, align 4
6 @c = common global i32 0, align 4
7 @b = common global i32 0, align 4
8 @e = common global i32 0, align 4
12 ; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* @d, align 4
13 ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
14 ; CHECK-NEXT: br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP13:%.*]]
15 ; CHECK: [[TMP4:%.*]] = load i32, i32* @a, align 4
16 ; CHECK-NEXT: [[TMP5:%.*]] = load i32, i32* @c, align 4
17 ; CHECK-NEXT: [[TMP6:%.*]] = icmp slt i32 [[TMP5]], 1
18 ; CHECK-NEXT: br i1 [[TMP6]], label [[TMP7:%.*]], label [[TMP9:%.*]]
19 ; CHECK: [[TMP8:%.*]] = icmp eq i32 [[TMP4]], 0
20 ; CHECK-NEXT: br i1 [[TMP8]], label [[TMP9]], label [[TMP9]]
21 ; CHECK: [[DOT0:%.*]] = phi i32 [ [[TMP4]], [[TMP7]] ], [ [[TMP4]], [[TMP7]] ], [ [[DOT1:%.*]], [[TMP13]] ], [ [[TMP4]], [[TMP3]] ]
22 ; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* @b, align 4
23 ; CHECK-NEXT: [[TMP11:%.*]] = sdiv i32 [[TMP10]], [[DOT0]]
24 ; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i32 [[TMP11]], 0
25 ; CHECK-NEXT: br i1 [[TMP12]], label [[TMP13]], label [[TMP13]]
26 ; CHECK: [[DOT1]] = phi i32 [ [[DOT0]], [[TMP9]] ], [ [[DOT0]], [[TMP9]] ], [ undef, [[TMP0:%.*]] ]
27 ; CHECK-NEXT: [[TMP14:%.*]] = load i32, i32* @e, align 4
28 ; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i32 [[TMP14]], 0
29 ; CHECK-NEXT: br i1 [[TMP15]], label [[TMP16:%.*]], label [[TMP9]]
32 %1 = load i32, i32* @d, align 4
33 %2 = icmp eq i32 %1, 0
34 br i1 %2, label %3, label %13
36 ; <label>:3: ; preds = %0
37 %4 = load i32, i32* @a, align 4
38 %5 = load i32, i32* @c, align 4
39 %6 = icmp slt i32 %5, 1
40 br i1 %6, label %7, label %9
42 ; <label>:7: ; preds = %3
43 %8 = icmp eq i32 %4, 0
44 br i1 %8, label %9, label %9
46 ; <label>:9: ; preds = %13, %7, %7, %3
47 %.0 = phi i32 [ %4, %7 ], [ %4, %7 ], [ %.1, %13 ], [ %4, %3 ]
48 %10 = load i32, i32* @b, align 4
49 %11 = sdiv i32 %10, %.0
50 %12 = icmp eq i32 %11, 0
51 br i1 %12, label %13, label %13
53 ; <label>:13: ; preds = %9, %9, %0
54 %.1 = phi i32 [ %.0, %9 ], [ %.0, %9 ], [ undef, %0 ]
55 %14 = load i32, i32* @e, align 4
56 %15 = icmp eq i32 %14, 0
57 br i1 %15, label %16, label %9
59 ; <label>:16: ; preds = %13
63 ; Function Attrs: argmemonly nounwind
64 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
66 ; Function Attrs: argmemonly nounwind
67 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)