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| author | Chris Lattner <sabre@nondot.org> | 2010-03-18 23:57:40 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-03-18 23:57:40 +0000 |
| commit | 928795387fdfac67e094275618a36bdeba51c45a (patch) | |
| tree | 47778814493832370542417dc117fac55d05d733 /utils/TableGen/CodeGenDAGPatterns.cpp | |
| parent | 6c6ba364931acb113973ad3e6d69736969c59299 (diff) | |
| download | llvm-928795387fdfac67e094275618a36bdeba51c45a.tar.gz llvm-928795387fdfac67e094275618a36bdeba51c45a.tar.bz2 llvm-928795387fdfac67e094275618a36bdeba51c45a.tar.xz | |
expand tblgen's support for instructions with implicit defs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98900 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/CodeGenDAGPatterns.cpp')
| -rw-r--r-- | utils/TableGen/CodeGenDAGPatterns.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp index f7960cbae9..9fd557f03b 100644 --- a/utils/TableGen/CodeGenDAGPatterns.cpp +++ b/utils/TableGen/CodeGenDAGPatterns.cpp @@ -1163,12 +1163,14 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) { } else if (!InstInfo.ImplicitDefs.empty()) { // If the instruction has implicit defs, the first one defines the result // type. - assert(InstInfo.ImplicitDefs[0]->isSubClassOf("Register")); Record *FirstImplicitDef = InstInfo.ImplicitDefs[0]; + assert(FirstImplicitDef->isSubClassOf("Register")); const std::vector<MVT::SimpleValueType> &RegVTs = CDP.getTargetInfo().getRegisterVTs(FirstImplicitDef); - if (!RegVTs.empty()) + if (RegVTs.size() == 1) ResultType = EEVT::TypeSet(RegVTs); + else + ResultType = EEVT::TypeSet(MVT::isVoid, TP); } else { // Otherwise, the instruction produces no value result. // FIXME: Model "no result" different than "one result that is void" |