Switch all register list clients to the new MC*Iterator interface.

[oota-llvm.git] / lib / CodeGen / RegisterClassInfo.cpp

diff --git a/lib/CodeGen/RegisterClassInfo.cpp b/lib/CodeGen/RegisterClassInfo.cpp
index 17165fa726650e17df2defbdf434f4dc80621f9c..d5b7f309db8c3583d6569db7a469c9cfda068da5 100644 (file)
--- a/lib/CodeGen/RegisterClassInfo.cpp
+++ b/lib/CodeGen/RegisterClassInfo.cpp
@@ -50,9 +50,8 @@ void RegisterClassInfo::runOnMachineFunction(const MachineFunction &mf) {
     CSRNum.clear();
     CSRNum.resize(TRI->getNumRegs(), 0);
     for (unsigned N = 0; unsigned Reg = CSR[N]; ++N)
-      for (const uint16_t *AS = TRI->getOverlaps(Reg);
-           unsigned Alias = *AS; ++AS)
-        CSRNum[Alias] = N + 1; // 0 means no CSR, 1 means CalleeSaved[0], ...
+      for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI)
+        CSRNum[*AI] = N + 1; // 0 means no CSR, 1 means CalleeSaved[0], ...
     Update = true;
   }
   CalleeSaved = CSR;