diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/RegisterCoalescer.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp index e513a4f1ccf..7b7c7502172 100644 --- a/llvm/lib/CodeGen/RegisterCoalescer.cpp +++ b/llvm/lib/CodeGen/RegisterCoalescer.cpp @@ -2633,7 +2633,8 @@ bool RegisterCoalescer::joinVirtRegs(CoalescerPair &CP) { // "overflow bit" 32. As a workaround we drop all subregister ranges // which means we loose some precision but are back to a well defined // state. - assert((CP.getNewRC()->getLaneMask() & 0x80000000u) + assert(TargetRegisterInfo::isImpreciseLaneMask( + CP.getNewRC()->getLaneMask()) && "SubRange merge should only fail when merging into bit 32."); DEBUG(dbgs() << "\tSubrange join aborted!\n"); LHS.clearSubRanges(); |
