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-rw-r--r--include/llvm/CodeGen/RegisterPressure.h2
-rw-r--r--lib/CodeGen/RegisterPressure.cpp21
2 files changed, 18 insertions, 5 deletions
diff --git a/include/llvm/CodeGen/RegisterPressure.h b/include/llvm/CodeGen/RegisterPressure.h
index ead60e4a5a..20312be300 100644
--- a/include/llvm/CodeGen/RegisterPressure.h
+++ b/include/llvm/CodeGen/RegisterPressure.h
@@ -273,6 +273,8 @@ public:
return getDownwardPressure(MI, PressureResult, MaxPressureResult);
}
+ void dump(const TargetRegisterInfo *TRI) const;
+
protected:
void increasePhysRegPressure(ArrayRef<unsigned> Regs);
void decreasePhysRegPressure(ArrayRef<unsigned> Regs);
diff --git a/lib/CodeGen/RegisterPressure.cpp b/lib/CodeGen/RegisterPressure.cpp
index 656d35acee..777bc75029 100644
--- a/lib/CodeGen/RegisterPressure.cpp
+++ b/lib/CodeGen/RegisterPressure.cpp
@@ -64,7 +64,17 @@ void RegisterPressure::decrease(const TargetRegisterClass *RC,
}
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+static void dumpSetPressure(const std::vector<unsigned> &SetPressure,
+ const TargetRegisterInfo *TRI) {
+ for (unsigned i = 0, e = SetPressure.size(); i < e; ++i) {
+ if (SetPressure[i] != 0)
+ dbgs() << TRI->getRegPressureSetName(i) << "=" << SetPressure[i] << '\n';
+ }
+}
+
void RegisterPressure::dump(const TargetRegisterInfo *TRI) const {
+ dbgs() << "Max Pressure: ";
+ dumpSetPressure(MaxSetPressure, TRI);
dbgs() << "Live In: ";
for (unsigned i = 0, e = LiveInRegs.size(); i < e; ++i)
dbgs() << PrintReg(LiveInRegs[i], TRI) << " ";
@@ -73,11 +83,12 @@ void RegisterPressure::dump(const TargetRegisterInfo *TRI) const {
for (unsigned i = 0, e = LiveOutRegs.size(); i < e; ++i)
dbgs() << PrintReg(LiveOutRegs[i], TRI) << " ";
dbgs() << '\n';
- for (unsigned i = 0, e = MaxSetPressure.size(); i < e; ++i) {
- if (MaxSetPressure[i] != 0)
- dbgs() << TRI->getRegPressureSetName(i) << "=" << MaxSetPressure[i]
- << '\n';
- }
+}
+
+void RegPressureTracker::dump(const TargetRegisterInfo *TRI) const {
+ dbgs() << "Curr Pressure: ";
+ dumpSetPressure(CurrSetPressure, TRI);
+ P.dump(TRI);
}
#endif