Run the verifier after LSR, to help catch use-before-def errors before

they reach codegen.

llvm-svn: 94066

llvm/lib/CodeGen/LLVMTargetMachine.cpp

@@ -14,6 +14,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/PassManager.h"
 #include "llvm/Pass.h"
+#include "llvm/Analysis/Verifier.h"
 #include "llvm/Assembly/PrintModulePass.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/Passes.h"
@@ -282,6 +283,9 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
     PM.add(createLoopStrengthReducePass(getTargetLowering()));
     if (PrintLSR)
       PM.add(createPrintFunctionPass("\n\n*** Code after LSR ***\n", &dbgs()));
+#ifndef NDEBUG
+    PM.add(createVerifierPass());
+#endif
   }
 
   // Turn exception handling constructs into something the code generators can