diff options
Diffstat (limited to 'include/llvm/CodeGen/LiveIntervalAnalysis.h')
| -rw-r--r-- | include/llvm/CodeGen/LiveIntervalAnalysis.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h index 294eb25..e8856ac 100644 --- a/include/llvm/CodeGen/LiveIntervalAnalysis.h +++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h @@ -70,9 +70,8 @@ namespace llvm { static char ID; // Pass identification, replacement for typeid LiveIntervals() : MachineFunctionPass(&ID) {} - static float getSpillWeight(bool isDef, bool isUse, unsigned loopDepth) { - return (isDef + isUse) * powf(10.0F, (float)loopDepth); - } + // Calculate the spill weight to assign to a single instruction. + static float getSpillWeight(bool isDef, bool isUse, unsigned loopDepth); // After summing the spill weights of all defs and uses, the final weight // should be normalized, dividing the weight of the interval by its size. |