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
|
; This testcase exposed a problem with the loop identification pass (LoopInfo).
; Basically, it was incorrectly calculating the loop nesting information.
;
; RUN: llvm-upgrade < %s | llvm-as | opt -loopsimplify
implementation ; Functions:
int %yylex() { ; No predecessors!
br label %loopentry.0
loopentry.0: ; preds = %0, %yy_find_action, %else.4
br label %loopexit.2
loopexit.2: ; preds = %loopentry.0, %else.4, %loopexit.2
br bool false, label %loopexit.2, label %else.4
yy_find_action: ; preds = %loopexit.2, %else.4
br label %else.4
else.4: ; preds = %yy_find_action
switch uint 0, label %loopexit.2 [
uint 2, label %yy_find_action
uint 0, label %loopentry.0
]
}
|
