Initialize the SSARegMap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4782 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 3dcbabc2a684b5c445eeeece9ff3d4b871b5f3f9..d9ea15a6f5a92e80930543bd62d1b20fdd407c34 100644 (file)
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -102,6 +102,7 @@ MachineFunction::MachineFunction(const Function *F,
     currentTmpValuesSize(0), maxTmpValuesSize(0), compiledAsLeaf(false),
     spillsAreaFrozen(false), automaticVarsAreaFrozen(false)
 {
+  SSARegMapping = new SSARegMap();
 }
 
 void MachineFunction::dump() const { print(std::cerr); }