mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 20:32:21 +00:00
6f729d601c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48762 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.4 KiB
LLVM
43 lines
1.4 KiB
LLVM
; This (complex) testcase causes an assertion failure because a preheader is
|
|
; inserted for the "fail" loop, but the exit block of a loop is not updated
|
|
; to be the preheader instead of the exit loop itself.
|
|
|
|
; RUN: llvm-as < %s | opt -loopsimplify
|
|
define i32 @re_match_2() {
|
|
br label %loopentry.1
|
|
loopentry.1: ; preds = %endif.82, %0
|
|
br label %shortcirc_done.36
|
|
shortcirc_done.36: ; preds = %loopentry.1
|
|
br i1 false, label %fail, label %endif.40
|
|
endif.40: ; preds = %shortcirc_done.36
|
|
br label %loopexit.20
|
|
loopentry.20: ; preds = %endif.46
|
|
br label %loopexit.20
|
|
loopexit.20: ; preds = %loopentry.20, %endif.40
|
|
br label %loopentry.21
|
|
loopentry.21: ; preds = %no_exit.19, %loopexit.20
|
|
br i1 false, label %no_exit.19, label %loopexit.21
|
|
no_exit.19: ; preds = %loopentry.21
|
|
br i1 false, label %fail, label %loopentry.21
|
|
loopexit.21: ; preds = %loopentry.21
|
|
br label %endif.45
|
|
endif.45: ; preds = %loopexit.21
|
|
br label %cond_true.15
|
|
cond_true.15: ; preds = %endif.45
|
|
br i1 false, label %fail, label %endif.46
|
|
endif.46: ; preds = %cond_true.15
|
|
br label %loopentry.20
|
|
fail: ; preds = %loopexit.37, %cond_true.15, %no_exit.19, %shortcirc_done.36
|
|
br label %then.80
|
|
then.80: ; preds = %fail
|
|
br label %endif.81
|
|
endif.81: ; preds = %then.80
|
|
br label %loopexit.37
|
|
loopexit.37: ; preds = %endif.81
|
|
br i1 false, label %fail, label %endif.82
|
|
endif.82: ; preds = %loopexit.37
|
|
br label %loopentry.1
|
|
}
|
|
|
|
|