diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/MIRParser/MIRParser.cpp | 3 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/MachineVerifier.cpp | 6 |
2 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp index d1f5ed47d81..a2773cccc5d 100644 --- a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp +++ b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp @@ -367,9 +367,6 @@ bool MIRParserImpl::initializeMachineFunction(MachineFunction &MF) { } PFS.SM = &SM; - if (MF.empty()) - return error(Twine("machine function '") + Twine(MF.getName()) + - "' requires at least one machine basic block in its body"); // Initialize the frame information after creating all the MBBs so that the // MBB references in the frame information can be resolved. if (initializeFrameInfo(PFS, YamlMF)) diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp index fc4026174ca..f49232b0f8a 100644 --- a/llvm/lib/CodeGen/MachineVerifier.cpp +++ b/llvm/lib/CodeGen/MachineVerifier.cpp @@ -528,7 +528,8 @@ void MachineVerifier::visitMachineFunctionBefore() { lastIndex = SlotIndex(); regsReserved = MRI->getReservedRegs(); - markReachable(&MF->front()); + if (!MF->empty()) + markReachable(&MF->front()); // Build a set of the basic blocks in the function. FunctionBlocks.clear(); @@ -548,7 +549,8 @@ void MachineVerifier::visitMachineFunctionBefore() { // Check that the register use lists are sane. MRI->verifyUseLists(); - verifyStackFrame(); + if (!MF->empty()) + verifyStackFrame(); } // Does iterator point to a and b as the first two elements? |
