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llvm-mirror/test/Transforms/LoopSimplify/2003-04-25-AssertFail.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

21 lines
598 B
LLVM

; This testcase exposed a problem with the loop identification pass (LoopInfo).
; Basically, it was incorrectly calculating the loop nesting information.
;
; RUN: opt < %s -loopsimplify
define i32 @yylex() {
br label %loopentry.0
loopentry.0: ; preds = %else.4, %0
br label %loopexit.2
loopexit.2: ; preds = %else.4, %loopexit.2, %loopentry.0
br i1 false, label %loopexit.2, label %else.4
yy_find_action: ; preds = %else.4
br label %else.4
else.4: ; preds = %yy_find_action, %loopexit.2
switch i32 0, label %loopexit.2 [
i32 2, label %yy_find_action
i32 0, label %loopentry.0
]
}