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27 Commits

Author SHA1 Message Date
Chris Lattner
80d69b5973 implement and document support for filecheck variables. This 
allows matching and remembering a string and then matching and
verifying that the string occurs later in the file.

Change X86/xor.ll to use this in some cases where the test was
checking for an arbitrary register allocation decision.

llvm-svn: 82891
 2009-09-27 07:56:52 +00:00
Chris Lattner
b47463f436 remove support for "NoSub" from regex. It seems like a minor optimization 
and makes the API more annoying.  Add a Regex::getNumMatches() method.

llvm-svn: 82877
 2009-09-26 21:27:04 +00:00
Chris Lattner
7143d73e96 reject attempts to use ()'s in patterns, these are reserved for filecheck. 
llvm-svn: 82780
 2009-09-25 17:29:36 +00:00
Chris Lattner
2b1f7c6a75 reimplement the regex matching strategy by building a single 
regex and matching it instead of trying to match chunks at a time.
Matching chunks at a time broke with check lines like 
  CHECK: foo {{.*}}bar
because the .* would eat the entire rest of the line and bar would
never match.

Now we just escape the fixed strings for the user, so that something
like:
  CHECK: a() {{.*}}???
is matched as:
  CHECK: {{a\(\) .*\?\?\?}}
transparently "under the covers".

llvm-svn: 82779
 2009-09-25 17:23:43 +00:00
Chris Lattner
fed266aae9 special case Patterns that are a single fixed string. This is a microscopic 
perf win and is needed for future changes.

llvm-svn: 82777
 2009-09-25 17:09:12 +00:00
Chris Lattner
2bf0d0ca42 filecheck should not match a \n with a . 
llvm-svn: 82758
 2009-09-25 06:47:09 +00:00
Chris Lattner
a6bcda7a8a turn a std::pair into a real class. 
llvm-svn: 82754
 2009-09-25 06:32:47 +00:00
Chris Lattner
af2ce37cb3 add and document regex support for FileCheck. You can now do stuff like: 
; CHECK: movl {{%e[a-z][xi]}}, %eax

or whatever.

llvm-svn: 82717
 2009-09-24 21:47:32 +00:00
Chris Lattner
97cf81c3c6 Use CanonicalizeInputFile to canonicalize the entire buffer containing the 
CHECK strings, instead of canonicalizing the patterns directly.  This allows
Pattern to just contain a StringRef instead of std::string.

llvm-svn: 82713
 2009-09-24 20:45:07 +00:00
Chris Lattner
5f3b698a06 change 'not' matching to use Pattern, move pattern parsing logic into 
the Pattern class.

llvm-svn: 82712
 2009-09-24 20:39:13 +00:00
Chris Lattner
756adfb5ca refactor out the match string into its own Pattern class. 
llvm-svn: 82711
 2009-09-24 20:25:55 +00:00
Chris Lattner
82a963788d fix a FileCheck bug where: 
; CHECK: foo
; CHECK-NOT: foo
; CHECK: bar

would always fail.

llvm-svn: 82424
 2009-09-21 02:30:42 +00:00
Chris Lattner
d5f420ca4d rewrite CountNumNewlinesBetween to be in terms of StringRef. 
llvm-svn: 82410
 2009-09-20 22:42:44 +00:00
Chris Lattner
63735b5e10 implement and document support for CHECK-NOT 
llvm-svn: 82408
 2009-09-20 22:35:26 +00:00
Chris Lattner
4552cc1387 rewrite FileCheck in terms of StringRef instead of manual pointer pairs. 
llvm-svn: 82407
 2009-09-20 22:11:44 +00:00
Douglas Gregor
a64e9d9eb5 Don't install FileCheck or FileUpdate 
llvm-svn: 79820
 2009-08-23 04:39:38 +00:00
Chris Lattner
b2791c888d when emitting errors about CHECK-NEXT directives, show the line that the 
CHECK-NEXT is on.

llvm-svn: 79164
 2009-08-16 02:22:31 +00:00
Chris Lattner
d910c3a30e implement support for CHECK-NEXT: in filecheck. 
llvm-svn: 79123
 2009-08-15 18:32:21 +00:00
Chris Lattner
a2ab7de470 simplify some code. 
llvm-svn: 79121
 2009-08-15 18:00:42 +00:00
Chris Lattner
2942a8852f rewrite FindStringInBuffer to use an explicit loop instead of 
trying to wrap strstr which is just too inconvenient.  Make it
use a StringRef to avoid ".c_str()" calls.

llvm-svn: 79120
 2009-08-15 17:53:12 +00:00
Chris Lattner
b1de5e438a Instead of using an std::pair, use a custom struct. 
llvm-svn: 79119
 2009-08-15 17:41:04 +00:00
Daniel Dunbar
29c0894945 Fix an ENABLE_EXPENSIVE_CHECKS error. 
llvm-svn: 77845
 2009-08-02 01:21:22 +00:00
Daniel Dunbar
e905c7445d Tweak comment. 
llvm-svn: 75391
 2009-07-11 22:06:10 +00:00
Chris Lattner
abe5a919b8 improve filecheck's "scanning from here" caret position. 
llvm-svn: 75371
 2009-07-11 19:21:09 +00:00
Chris Lattner
3ddde921ee make filecheck default to canonicalizing horizontal whitespace 
away.  This way you can write a space and it matches arbitrary spaces and tabs.

llvm-svn: 75370
 2009-07-11 18:58:15 +00:00
Chris Lattner
9a419de980 stop on the first file mismatch. 
llvm-svn: 75076
 2009-07-09 00:19:21 +00:00
Chris Lattner
425ad95921 Add a new little "FileCheck" utility for regression testing. 
llvm-svn: 75022
 2009-07-08 18:44:05 +00:00