xref: /llvm-project/llvm/test/Transforms/Attributor/IPConstantProp/fp-bc-icmp-const-fold.ll (revision 58ca7078ce188af21ea5f924573cb00bdb63cbb6)
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
4target datalayout = "E-m:e-i64:64-n32:64"
5target triple = "powerpc64le-unknown-linux"
6
7define void @test(i32 signext %n, i1 %arg) {
8; CHECK: Function Attrs: nofree norecurse nosync nounwind memory(none)
9; CHECK-LABEL: define {{[^@]+}}@test
10; CHECK-SAME: (i32 signext [[N:%.*]], i1 noundef [[ARG:%.*]]) #[[ATTR0:[0-9]+]] {
11; CHECK-NEXT:  entry:
12; CHECK-NEXT:    br i1 [[ARG]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
13; CHECK:       if.then:
14; CHECK-NEXT:    ret void
15; CHECK:       if.end:
16; CHECK-NEXT:    br i1 [[ARG]], label [[IF_THEN2:%.*]], label [[IF_END4:%.*]]
17; CHECK:       if.then2:
18; CHECK-NEXT:    unreachable
19; CHECK:       if.end4:
20; CHECK-NEXT:    switch i32 [[N]], label [[IF_ELSE14:%.*]] [
21; CHECK-NEXT:      i32 0, label [[IF_THEN9:%.*]]
22; CHECK-NEXT:      i32 1, label [[IF_THEN12:%.*]]
23; CHECK-NEXT:    ]
24; CHECK:       if.then9:
25; CHECK-NEXT:    unreachable
26; CHECK:       if.then12:
27; CHECK-NEXT:    unreachable
28; CHECK:       if.else14:
29; CHECK-NEXT:    br label [[DO_BODY:%.*]]
30; CHECK:       do.body:
31; CHECK-NEXT:    [[SCALE_0:%.*]] = phi ppc_fp128 [ 0xM3FF00000000000000000000000000000, [[IF_ELSE14]] ], [ [[SCALE_0]], [[DO_BODY]] ]
32; CHECK-NEXT:    br i1 [[ARG]], label [[DO_BODY]], label [[IF_THEN33:%.*]]
33; CHECK:       if.then33:
34; CHECK-NEXT:    br i1 [[ARG]], label [[_ZN5BOOST4MATH4SIGNIGEEIRKT__EXIT30:%.*]], label [[COND_FALSE_I28:%.*]]
35; CHECK:       cond.false.i28:
36; CHECK-NEXT:    [[TMP0:%.*]] = bitcast ppc_fp128 [[SCALE_0]] to i128
37; CHECK-NEXT:    [[TOBOOL_I26:%.*]] = icmp slt i128 [[TMP0]], 0
38; CHECK-NEXT:    br label [[_ZN5BOOST4MATH4SIGNIGEEIRKT__EXIT30]]
39; CHECK:       _ZN5boost4math4signIgEEiRKT_.exit30:
40; CHECK-NEXT:    unreachable
41;
42
43entry:
44  br i1 %arg, label %if.then, label %if.end
45
46if.then:                                          ; preds = %entry
47  ret void
48
49if.end:                                           ; preds = %entry
50  br i1 %arg, label %if.then2, label %if.end4
51
52if.then2:                                         ; preds = %if.end
53  unreachable
54
55if.end4:                                          ; preds = %if.end
56  switch i32 %n, label %if.else14 [
57  i32 0, label %if.then9
58  i32 1, label %if.then12
59  ]
60
61if.then9:                                         ; preds = %if.end4
62  unreachable
63
64if.then12:                                        ; preds = %if.end4
65  unreachable
66
67if.else14:                                        ; preds = %if.end4
68  br label %do.body
69
70do.body:                                          ; preds = %do.body, %if.else14
71  %scale.0 = phi ppc_fp128 [ 0xM3FF00000000000000000000000000000, %if.else14 ], [ %scale.0, %do.body ]
72  br i1 %arg, label %do.body, label %if.then33
73
74if.then33:                                        ; preds = %do.body
75  br i1 %arg, label %_ZN5boost4math4signIgEEiRKT_.exit30, label %cond.false.i28
76
77cond.false.i28:                                   ; preds = %if.then33
78  %0 = bitcast ppc_fp128 %scale.0 to i128
79  %tobool.i26 = icmp slt i128 %0, 0
80  br label %_ZN5boost4math4signIgEEiRKT_.exit30
81
82_ZN5boost4math4signIgEEiRKT_.exit30:              ; preds = %cond.false.i28, %if.then33
83  unreachable
84}
85
86;.
87; CHECK: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind memory(none) }
88;.
89;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
90; CGSCC: {{.*}}
91; TUNIT: {{.*}}
92