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New testcase

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llvm-svn: 6152
This commit is contained in:
Chris Lattner 2003-05-12 21:57:41 +00:00
parent 19ca50fe2a
commit 6cd5038b27
2 changed files with 114 additions and 0 deletions
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57
test/Regression/Transforms/LoopPreheaders/2003-05-12-PreheaderExitOfChild.ll Normal file
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; 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: as < %s | opt -preheaders
int %re_match_2() {
br label %loopentry.1
loopentry.1: ; preds = %then.6, %endif.7, %loopexit.20, %endif.83
br label %shortcirc_done.36
shortcirc_done.36: ; preds = %label.13, %shortcirc_next.36
br bool false, label %fail, label %endif.40
endif.40: ; preds = %shortcirc_done.36
br label %loopexit.20
loopentry.20: ; preds = %shortcirc_done.40, %endif.46
br label %loopexit.20
loopexit.20: ; preds = %loopentry.20
br label %loopentry.21
loopentry.21: ; preds = %loopexit.20, %no_exit.19
br bool false, label %no_exit.19, label %loopexit.21
no_exit.19: ; preds = %loopentry.21
br bool 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 bool false, label %fail, label %endif.46
endif.46: ; preds = %cond_true.15
br label %loopentry.20
fail: ; preds = %shortcirc_done.36, %loopexit.37, %cond_true.15, %no_exit.19
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 bool false, label %fail, label %endif.82
endif.82: ; preds = %loopexit.37
br label %loopentry.1
}

57
test/Regression/Transforms/LoopSimplify/2003-05-12-PreheaderExitOfChild.ll Normal file
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; 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: as < %s | opt -preheaders
int %re_match_2() {
br label %loopentry.1
loopentry.1: ; preds = %then.6, %endif.7, %loopexit.20, %endif.83
br label %shortcirc_done.36
shortcirc_done.36: ; preds = %label.13, %shortcirc_next.36
br bool false, label %fail, label %endif.40
endif.40: ; preds = %shortcirc_done.36
br label %loopexit.20
loopentry.20: ; preds = %shortcirc_done.40, %endif.46
br label %loopexit.20
loopexit.20: ; preds = %loopentry.20
br label %loopentry.21
loopentry.21: ; preds = %loopexit.20, %no_exit.19
br bool false, label %no_exit.19, label %loopexit.21
no_exit.19: ; preds = %loopentry.21
br bool 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 bool false, label %fail, label %endif.46
endif.46: ; preds = %cond_true.15
br label %loopentry.20
fail: ; preds = %shortcirc_done.36, %loopexit.37, %cond_true.15, %no_exit.19
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 bool false, label %fail, label %endif.82
endif.82: ; preds = %loopexit.37
br label %loopentry.1
}