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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes='loop(simple-loop-unswitch<nontrivial>),verify<loops>' -S < %s | FileCheck %s
; RUN: opt -passes='loop-mssa(simple-loop-unswitch<nontrivial>),verify<loops>' -S < %s | FileCheck %s
; RUN: opt -passes='simple-loop-unswitch<nontrivial>' -verify-memoryssa -S < %s | FileCheck %s
declare ptr @pluto()
declare void @llvm.experimental.guard(i1, ...)
declare void @widget()
; REQUIRES: asserts
define void @foo(ptr addrspace(1) %arg, i64 %arg1) personality ptr @pluto {
; CHECK-LABEL: @foo(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = icmp slt i32 poison, 570
; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP]], i1 true, i1 false
; CHECK-NEXT: br i1 [[TMP]], label [[BB_SPLIT_US:%.*]], label [[BB_SPLIT:%.*]]
; CHECK: bb.split.us:
; CHECK-NEXT: br label [[BB3_US:%.*]]
; CHECK: bb3.us:
; CHECK-NEXT: br label [[GUARDED_US:%.*]]
; CHECK: bb4.us:
; CHECK-NEXT: invoke void @widget()
; CHECK-NEXT: to label [[BB6_US:%.*]] unwind label [[BB7_SPLIT_US:%.*]]
; CHECK: bb6.us:
; CHECK-NEXT: invoke void @widget()
; CHECK-NEXT: to label [[BB3_US]] unwind label [[BB7_SPLIT_US]]
; CHECK: guarded.us:
; CHECK-NEXT: invoke void @widget()
; CHECK-NEXT: to label [[BB4_US:%.*]] unwind label [[BB7_SPLIT_US]]
; CHECK: bb7.split.us:
; CHECK-NEXT: [[TMP8_US:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT: cleanup
; CHECK-NEXT: br label [[BB7:%.*]]
; CHECK: bb.split:
; CHECK-NEXT: br label [[BB3:%.*]]
; CHECK: bb3:
; CHECK-NEXT: br label [[DEOPT:%.*]]
; CHECK: deopt:
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false, i32 7) [ "deopt"() ]
; CHECK-NEXT: unreachable
; CHECK: bb7:
; CHECK-NEXT: ret void
;
bb:
%tmp = icmp slt i32 poison, 570
%tmp2 = select i1 %tmp, i1 true, i1 false
br label %bb3
bb3: ; preds = %bb6, %bb
call void (i1, ...) @llvm.experimental.guard(i1 %tmp2, i32 7) [ "deopt"() ]
invoke void @widget()
to label %bb4 unwind label %bb7
bb4: ; preds = %bb3
invoke void @widget()
to label %bb6 unwind label %bb7
bb6: ; preds = %bb4
invoke void @widget()
to label %bb3 unwind label %bb7
bb7: ; preds = %bb6, %bb4, %bb3
%tmp8 = landingpad { ptr, i32 }
cleanup
ret void
}
|
