--- /dev/null
+; RUN: not FileCheck -check-prefix=DAGNOT -input-file %s %s 2>&1 | FileCheck -check-prefix=ERROR -check-prefix=DAGNOT-ERROR %s
+; RUN: not FileCheck -check-prefix=NOTDAG -input-file %s %s 2>&1 | FileCheck -check-prefix=ERROR -check-prefix=NOTDAG-ERROR %s
+; RUN: not FileCheck -check-prefix=NEXTNOT -input-file %s %s 2>&1 | FileCheck -check-prefix=ERROR -check-prefix=NEXTNOT-ERROR %s
+; RUN: not FileCheck -check-prefix=NOTNEXT -input-file %s %s 2>&1 | FileCheck -check-prefix=ERROR -check-prefix=NOTNEXT-ERROR %s
+; RUN: not FileCheck -check-prefix=SAMENOT -input-file %s %s 2>&1 | FileCheck -check-prefix=ERROR -check-prefix=SAMENOT-ERROR %s
+; RUN: not FileCheck -check-prefix=NOTSAME -input-file %s %s 2>&1 | FileCheck -check-prefix=ERROR -check-prefix=NOTSAME-ERROR %s
+
+foo
+; DAGNOT: foo
+; DAGNOT-DAG-NOT: bar
+; NOTDAG: foo
+; NOTDAG-NOT-DAG: bar
+; NEXTNOT: foo
+; NEXTNOT-NEXT-NOT: bar
+; NOTNEXT: foo
+; NOTNEXT-NOT-NEXT: bar
+; SAMENOT: foo
+; SAMENOT-SAME-NOT: bar
+; NOTSAME: foo
+; NOTSAME-NOT-SAME: bar
+
+; ERROR: error: unsupported -NOT combo on prefix
+; DAGNOT-ERROR-SAME: 'DAGNOT'
+; NOTDAG-ERROR-SAME: 'NOTDAG'
+; NEXTNOT-ERROR-SAME: 'NEXTNOT'
+; NOTNEXT-ERROR-SAME: 'NOTNEXT'
+; SAMENOT-ERROR-SAME: 'SAMENOT'
+; NOTSAME-ERROR-SAME: 'NOTSAME'
/// MatchEOF - When set, this pattern only matches the end of file. This is
/// used for trailing CHECK-NOTs.
- CheckEOF
+ CheckEOF,
+ /// CheckBadNot - Found -NOT combined with another CHECK suffix.
+ CheckBadNot
};
}
static size_t CheckTypeSize(Check::CheckType Ty) {
switch (Ty) {
case Check::CheckNone:
+ case Check::CheckBadNot:
return 0;
case Check::CheckPlain:
if (Rest.startswith("LABEL:"))
return Check::CheckLabel;
+ // You can't combine -NOT with another suffix.
+ if (Rest.startswith("DAG-NOT:") || Rest.startswith("NOT-DAG:") ||
+ Rest.startswith("NEXT-NOT:") || Rest.startswith("NOT-NEXT:") ||
+ Rest.startswith("SAME-NOT:") || Rest.startswith("NOT-SAME:"))
+ return Check::CheckBadNot;
+
return Check::CheckNone;
}
// PrefixLoc is to the start of the prefix. Skip to the end.
Buffer = Buffer.drop_front(UsedPrefix.size() + CheckTypeSize(CheckTy));
+ // Complain about useful-looking but unsupported suffixes.
+ if (CheckTy == Check::CheckBadNot) {
+ SM.PrintMessage(SMLoc::getFromPointer(Buffer.data()),
+ SourceMgr::DK_Error,
+ "unsupported -NOT combo on prefix '" + UsedPrefix + "'");
+ return true;
+ }
+
// Okay, we found the prefix, yay. Remember the rest of the line, but ignore
// leading and trailing whitespace.
Buffer = Buffer.substr(Buffer.find_first_not_of(" \t"));