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-rw-r--r--lib/CodeGen/RegisterClassInfo.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/CodeGen/RegisterClassInfo.cpp b/lib/CodeGen/RegisterClassInfo.cpp
index 17165fa..652bc30 100644
--- a/lib/CodeGen/RegisterClassInfo.cpp
+++ b/lib/CodeGen/RegisterClassInfo.cpp
@@ -15,8 +15,8 @@
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "regalloc"
-#include "RegisterClassInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/RegisterClassInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
@@ -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;
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