diff options
Diffstat (limited to 'lib/CodeGen/SpillPlacement.h')
-rw-r--r-- | lib/CodeGen/SpillPlacement.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/CodeGen/SpillPlacement.h b/lib/CodeGen/SpillPlacement.h index fc412f817cd..a0480d587d6 100644 --- a/lib/CodeGen/SpillPlacement.h +++ b/lib/CodeGen/SpillPlacement.h @@ -30,6 +30,7 @@ #include "llvm/ADT/ArrayRef.h" #include "llvm/ADT/SmallVector.h" #include "llvm/CodeGen/MachineFunctionPass.h" +#include "llvm/Support/BlockFrequency.h" namespace llvm { @@ -57,7 +58,7 @@ class SpillPlacement : public MachineFunctionPass { SmallVector<unsigned, 8> RecentPositive; // Block frequencies are computed once. Indexed by block number. - SmallVector<float, 4> BlockFrequency; + SmallVector<BlockFrequency, 4> BlockFrequencies; public: static char ID; // Pass identification, replacement for typeid. @@ -140,7 +141,9 @@ public: /// getBlockFrequency - Return the estimated block execution frequency per /// function invocation. float getBlockFrequency(unsigned Number) const { - return BlockFrequency[Number]; + // FIXME: Return the BlockFrequency directly. + const float Scale = 1.0f / BlockFrequency::getEntryFrequency(); + return BlockFrequencies[Number].getFrequency() * Scale; } private: |