Add a few simple MachineVerifier checks for MachineMemOperands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83474 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index f851dcf..18a3ead 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -27,6 +27,7 @@
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetMachine.h"
@@ -457,6 +458,15 @@
*OS << TI.getNumOperands() << " operands expected, but "
<< MI->getNumExplicitOperands() << " given.\n";
}
+
+ // Check the MachineMemOperands for basic consistency.
+ for (MachineInstr::mmo_iterator I = MI->memoperands_begin(),
+ E = MI->memoperands_end(); I != E; ++I) {
+ if ((*I)->isLoad() && !TI.mayLoad())
+ report("Missing mayLoad flag", MI);
+ if ((*I)->isStore() && !TI.mayStore())
+ report("Missing mayStore flag", MI);
+ }
}
void