From 452e8354d58960289aae610fa265ee69431b6b83 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 25 Mar 2006 22:59:28 +0000 Subject: [PATCH] Fix a bug in ISD::isBuildVectorAllOnesInteger that caused it to always return false git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27131 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 9fcfc61af79..18e2ebcb45e 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -86,12 +86,13 @@ bool ISD::isBuildVectorAllOnesInteger(const SDNode *N) { // Do not accept build_vectors that aren't all constants or which have non-~0 // elements. - if (!isa(N) || !cast(N)->isAllOnesValue()) + SDOperand NotZero = N->getOperand(i); + if (!isa(NotZero) || + !cast(NotZero)->isAllOnesValue()) return false; // Okay, we have at least one ~0 value, check to see if the rest match or are // undefs. - SDOperand NotZero = N->getOperand(i); for (++i; i != e; ++i) if (N->getOperand(i) != NotZero && N->getOperand(i).getOpcode() != ISD::UNDEF)