diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineVerifier.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineVerifier.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp index ca35ec5fdcf..a5e5bc992ef 100644 --- a/llvm/lib/CodeGen/MachineVerifier.cpp +++ b/llvm/lib/CodeGen/MachineVerifier.cpp @@ -1671,6 +1671,8 @@ void MachineVerifier::verifyLiveInterval(const LiveInterval &LI) { report("Lane masks of sub ranges overlap in live interval", MF, LI); if ((SR.LaneMask & ~MaxMask) != 0) report("Subrange lanemask is invalid", MF, LI); + if (SR.empty()) + report("Subrange must not be empty", MF, SR, LI.reg, SR.LaneMask); Mask |= SR.LaneMask; verifyLiveRange(SR, LI.reg, SR.LaneMask); if (!LI.covers(SR)) |
