Add number of spilled registers statistic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11759 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index d4b258d..fb78020 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -34,6 +34,7 @@
namespace {
Statistic<> numStores("ra-linearscan", "Number of stores added");
Statistic<> numLoads ("ra-linearscan", "Number of loads added");
+ Statistic<> numSpills("ra-linearscan", "Number of register spills");
class RA : public MachineFunctionPass {
private:
@@ -737,6 +738,7 @@
bool inserted = v2ssMap_.insert(std::make_pair(virtReg, frameIndex)).second;
assert(inserted && "attempt to assign stack slot to spilled register!");
+ ++numSpills;
return frameIndex;
}