diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86ISelDAGToDAG.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp index 1ca1e31144..8286cd05a0 100644 --- a/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -255,11 +255,12 @@ static void findNonImmUse(SDNode *Use, SDNode* Def, SDNode *ImmedUse, continue; if (N == Def) { if (Use == ImmedUse) - continue; // We are not looking for immediate use. + continue; // We are not looking for immediate use. if (Use == Root) { + // Must be a chain reading node where it is possible to reach its own + // chain operand through a path started from another operand. assert(Use->getOpcode() == ISD::STORE || Use->getOpcode() == X86ISD::CMP || - Use->getOpcode() == ISD::INTRINSIC_WO_CHAIN || Use->getOpcode() == ISD::INTRINSIC_W_CHAIN || Use->getOpcode() == ISD::INTRINSIC_VOID); continue; |