Fixed bug with running out of registers. Also, reinstated namespace which
disappeared during the last checkin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5007 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocSimple.cpp b/lib/CodeGen/RegAllocSimple.cpp
index 6220169..609eabf 100644
--- a/lib/CodeGen/RegAllocSimple.cpp
+++ b/lib/CodeGen/RegAllocSimple.cpp
@@ -20,7 +20,7 @@
#include "Support/Statistic.h"
#include <map>
-//namespace {
+namespace {
struct RegAllocSimple : public FunctionPass {
TargetMachine &TM;
MachineBasicBlock *CurrMBB;
@@ -111,7 +111,7 @@
}
};
-//}
+}
unsigned RegAllocSimple::allocateStackSpaceFor(unsigned VirtReg,
const TargetRegisterClass *regClass)
@@ -289,6 +289,9 @@
// really delete the instruction
delete MI;
+
+ // make regs available to other instructions
+ clearAllRegs();
}
//loop over each basic block