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-rw-r--r--llvm/include/llvm/CodeGen/RegisterPressure.h8
-rw-r--r--llvm/lib/CodeGen/RegisterPressure.cpp2
2 files changed, 6 insertions, 4 deletions
diff --git a/llvm/include/llvm/CodeGen/RegisterPressure.h b/llvm/include/llvm/CodeGen/RegisterPressure.h
index c64087c5965..dd549da02c6 100644
--- a/llvm/include/llvm/CodeGen/RegisterPressure.h
+++ b/llvm/include/llvm/CodeGen/RegisterPressure.h
@@ -125,11 +125,13 @@ class PressureDiff {
enum { MaxPSets = 16 };
PressureChange PressureChanges[MaxPSets];
-public:
+
typedef PressureChange* iterator;
+ iterator nonconst_begin() { return &PressureChanges[0]; }
+ iterator nonconst_end() { return &PressureChanges[MaxPSets]; }
+
+public:
typedef const PressureChange* const_iterator;
- iterator begin() { return &PressureChanges[0]; }
- iterator end() { return &PressureChanges[MaxPSets]; }
const_iterator begin() const { return &PressureChanges[0]; }
const_iterator end() const { return &PressureChanges[MaxPSets]; }
diff --git a/llvm/lib/CodeGen/RegisterPressure.cpp b/llvm/lib/CodeGen/RegisterPressure.cpp
index 87c3d46866e..88566d88732 100644
--- a/llvm/lib/CodeGen/RegisterPressure.cpp
+++ b/llvm/lib/CodeGen/RegisterPressure.cpp
@@ -389,7 +389,7 @@ void PressureDiff::addPressureChange(unsigned RegUnit, bool IsDec,
int Weight = IsDec ? -PSetI.getWeight() : PSetI.getWeight();
for (; PSetI.isValid(); ++PSetI) {
// Find an existing entry in the pressure diff for this PSet.
- PressureDiff::iterator I = begin(), E = end();
+ PressureDiff::iterator I = nonconst_begin(), E = nonconst_end();
for (; I != E && I->isValid(); ++I) {
if (I->getPSet() >= *PSetI)
break;
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