Add a stack slot coloring pass. Not yet enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51934 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 48c25a1..24081b9 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -358,6 +358,20 @@
return end();
}
+/// findDefinedVNInfo - Find the VNInfo that's defined at the specified index
+/// (register interval) or defined by the specified register (stack inteval).
+VNInfo *LiveInterval::findDefinedVNInfo(unsigned DefIdxOrReg) const {
+ VNInfo *VNI = NULL;
+ for (LiveInterval::const_vni_iterator i = vni_begin(), e = vni_end();
+ i != e; ++i)
+ if ((*i)->def == DefIdxOrReg) {
+ VNI = *i;
+ break;
+ }
+ return VNI;
+}
+
+
/// join - Join two live intervals (this, and other) together. This applies
/// mappings to the value numbers in the LHS/RHS intervals as specified. If
/// the intervals are not joinable, this aborts.
@@ -664,7 +678,9 @@
void LiveInterval::print(std::ostream &OS,
const TargetRegisterInfo *TRI) const {
- if (TRI && TargetRegisterInfo::isPhysicalRegister(reg))
+ if (isSS)
+ OS << "SS#" << reg;
+ else if (TRI && TargetRegisterInfo::isPhysicalRegister(reg))
OS << TRI->getName(reg);
else
OS << "%reg" << reg;
@@ -672,7 +688,7 @@
OS << ',' << weight;
if (empty())
- OS << "EMPTY";
+ OS << " EMPTY";
else {
OS << " = ";
for (LiveInterval::Ranges::const_iterator I = ranges.begin(),