1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; ModuleID = 'bugpoint-reduced-simplified.bc'
; RUN: opt < %s -newgvn -S | FileCheck %s
source_filename = "bugpoint-output-e4c7d0f.bc"
; Make sure we still properly resolve phi cycles when they involve predicateinfo copies of phis.
define void @hoge() local_unnamed_addr #0 {
; CHECK-LABEL: @hoge(
; CHECK-NEXT: bb:
; CHECK-NEXT: br i1 undef, label [[BB6:%.*]], label [[BB1:%.*]]
; CHECK: bb1:
; CHECK-NEXT: br label [[BB6]]
; CHECK: bb2:
; CHECK-NEXT: br i1 true, label [[BB3:%.*]], label [[BB6]]
; CHECK: bb3:
; CHECK-NEXT: br label [[BB4:%.*]]
; CHECK: bb4:
; CHECK-NEXT: br i1 undef, label [[BB2:%.*]], label [[BB6]]
; CHECK: bb6:
; CHECK-NEXT: br label [[BB4]]
;
bb:
br i1 undef, label %bb6, label %bb1
bb1: ; preds = %bb
br label %bb6
bb2: ; preds = %bb4
%tmp = icmp slt i8 %tmp5, 7
br i1 %tmp, label %bb3, label %bb6
bb3: ; preds = %bb2
br label %bb4
bb4: ; preds = %bb6, %bb3
%tmp5 = phi i8 [ %tmp5, %bb3 ], [ %tmp7, %bb6 ]
br i1 undef, label %bb2, label %bb6
bb6: ; preds = %bb4, %bb2, %bb1, %bb
%tmp7 = phi i8 [ %tmp5, %bb4 ], [ %tmp5, %bb2 ], [ 5, %bb1 ], [ undef, %bb ]
br label %bb4
}
attributes #0 = { norecurse noreturn nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.ident = !{!0}
!0 = !{!"clang version 6.0.0"}
|