mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-18 12:29:21 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9057 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
677 B
LLVM
26 lines
677 B
LLVM
; This testcase exposed a problem with the loop identification pass (LoopInfo).
|
|
; Basically, it was incorrectly calculating the loop nesting information.
|
|
;
|
|
; RUN: llvm-as < %s | 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
|
|
]
|
|
}
|