[llvm-commits] [llvm] r83760 - /llvm/trunk/include/llvm/Support/PatternMatch.h
Chris Lattner
sabre at nondot.org
Sun Oct 11 00:52:07 PDT 2009
Author: lattner
Date: Sun Oct 11 02:51:25 2009
New Revision: 83760
URL: http://llvm.org/viewvc/llvm-project?rev=83760&view=rev
Log:
add a helper for matching "1".
Modified:
llvm/trunk/include/llvm/Support/PatternMatch.h
Modified: llvm/trunk/include/llvm/Support/PatternMatch.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/PatternMatch.h?rev=83760&r1=83759&r2=83760&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/PatternMatch.h (original)
+++ llvm/trunk/include/llvm/Support/PatternMatch.h Sun Oct 11 02:51:25 2009
@@ -87,6 +87,18 @@
/// m_Zero() - Match an arbitrary zero/null constant.
inline zero_ty m_Zero() { return zero_ty(); }
+struct one_ty {
+ template<typename ITy>
+ bool match(ITy *V) {
+ if (const ConstantInt *C = dyn_cast<ConstantInt>(V))
+ return C->isOne();
+ return false;
+ }
+};
+
+/// m_One() - Match a an integer 1.
+inline one_ty m_One() { return one_ty(); }
+
template<typename Class>
struct bind_ty {
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