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-rw-r--r--lib/CodeGen/LLVMTargetMachine.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index c65a6b9a79..3927eee503 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -94,6 +94,10 @@ LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
if (EnableSinking)
PM.add(createMachineSinkingPass());
+ // Run pre-ra passes.
+ if (addPreRegAlloc(PM, Fast) && PrintMachineCode)
+ PM.add(createMachineFunctionPrinterPass(cerr));
+
// Perform register allocation to convert to a concrete x86 representation
PM.add(createRegisterAllocator());