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author | Chris Lattner <sabre@nondot.org> | 2010-03-18 23:15:10 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-03-18 23:15:10 +0000 |
commit | 6c6ba364931acb113973ad3e6d69736969c59299 (patch) | |
tree | e3a109a433374f7de2646d06df965ef31e85bfde /utils/TableGen/CodeGenDAGPatterns.h | |
parent | 1ff781fb501505660f6ccb7558ad9e613db21517 (diff) | |
download | external_llvm-6c6ba364931acb113973ad3e6d69736969c59299.zip external_llvm-6c6ba364931acb113973ad3e6d69736969c59299.tar.gz external_llvm-6c6ba364931acb113973ad3e6d69736969c59299.tar.bz2 |
infer results of a pattern from implicit defs. This allows you to do something
like this:
def : Pat<(add ...),
(FOOINST)>;
When fooinst only has a single implicit def (e.g. to R1). This will be handled
as if written as (set R1, (FOOINST ...))
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98897 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/CodeGenDAGPatterns.h')
-rw-r--r-- | utils/TableGen/CodeGenDAGPatterns.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/utils/TableGen/CodeGenDAGPatterns.h b/utils/TableGen/CodeGenDAGPatterns.h index 44f82fe..c32b23a 100644 --- a/utils/TableGen/CodeGenDAGPatterns.h +++ b/utils/TableGen/CodeGenDAGPatterns.h @@ -88,6 +88,10 @@ namespace EEVT { return TypeVec; } + bool isVoid() const { + return TypeVec.size() == 1 && TypeVec[0] == MVT::isVoid; + } + /// hasIntegerTypes - Return true if this TypeSet contains any integer value /// types. bool hasIntegerTypes() const; |