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
| ; RUN: opt -passes='require<loops>,jump-threading,verify<loops>' -S < %s
%"type1" = type { i8 }
%"type2" = type opaque
define dso_local i16* @func2(%"type1"* %this, %"type2"*) {
entry:
br label %while.cond
while.cond: ; preds = %func1.exit, %entry
%month.0 = phi i32 [ undef, %entry ], [ %month.0.be, %func1.exit ]
switch i32 %month.0, label %if.end.i [
i32 4, label %func1.exit
i32 1, label %func1.exit
]
if.end.i: ; preds = %while.cond
br label %func1.exit
func1.exit: ; preds = %if.end.i, %while.cond, %while.cond
%retval.0.i = phi i32 [ 9, %if.end.i ], [ 0, %while.cond ], [ 0, %while.cond ]
%call2 = tail call signext i32 @func3(i32 signext %retval.0.i, i32 signext 1, i32 signext 3)
%cmp = icmp slt i32 %call2, 1
%add = add nsw i32 %call2, 2
%month.0.be = select i1 %cmp, i32 %add, i32 %call2
br label %while.cond
}
declare i32 @func3(i32, i32, i32)
|