diff options
Diffstat (limited to 'lib/VMCore')
-rw-r--r-- | lib/VMCore/Constants.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp index 350a306..9c1377d 100644 --- a/lib/VMCore/Constants.cpp +++ b/lib/VMCore/Constants.cpp @@ -1286,6 +1286,17 @@ bool ConstantVector::isAllOnesValue() const { return true; } +/// getSplatValue - If this is a splat constant, where all of the +/// elements have the same value, return that value. Otherwise return null. +Constant *ConstantVector::getSplatValue() { + // Check out first element. + Constant *Elt = getOperand(0); + // Then make sure all remaining elements point to the same value. + for (unsigned I = 1, E = getNumOperands(); I < E; ++I) + if (getOperand(I) != Elt) return 0; + return Elt; +} + //---- ConstantPointerNull::get() implementation... // |