diff options
Diffstat (limited to 'include/llvm/Analysis/CodeMetrics.h')
| -rw-r--r-- | include/llvm/Analysis/CodeMetrics.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/include/llvm/Analysis/CodeMetrics.h b/include/llvm/Analysis/CodeMetrics.h index 75edfbb..d96dd82 100644 --- a/include/llvm/Analysis/CodeMetrics.h +++ b/include/llvm/Analysis/CodeMetrics.h @@ -18,6 +18,9 @@ #include "llvm/ADT/DenseMap.h" namespace llvm { + + class TargetData; + // CodeMetrics - Calculate size and a few similar metrics for a set of // basic blocks. struct CodeMetrics { @@ -46,7 +49,7 @@ namespace llvm { /// NumCalls - Keep track of the number of calls to 'big' functions. unsigned NumCalls; - + /// NumInlineCandidates - Keep track of the number of calls to internal /// functions with only a single caller. These are likely targets for /// future inlining, likely exposed by interleaved devirtualization. @@ -61,24 +64,24 @@ namespace llvm { unsigned NumRets; CodeMetrics() : callsSetJmp(false), isRecursive(false), - containsIndirectBr(false), usesDynamicAlloca(false), + containsIndirectBr(false), usesDynamicAlloca(false), NumInsts(0), NumBlocks(0), NumCalls(0), - NumInlineCandidates(0), NumVectorInsts(0), + NumInlineCandidates(0), NumVectorInsts(0), NumRets(0) {} /// analyzeBasicBlock - Add information about the specified basic block /// to the current structure. - void analyzeBasicBlock(const BasicBlock *BB); + void analyzeBasicBlock(const BasicBlock *BB, const TargetData *TD = 0); /// analyzeFunction - Add information about the specified function /// to the current structure. - void analyzeFunction(Function *F); - + void analyzeFunction(Function *F, const TargetData *TD = 0); + /// CountCodeReductionForConstant - Figure out an approximation for how /// many instructions will be constant folded if the specified value is /// constant. unsigned CountCodeReductionForConstant(Value *V); - + /// CountBonusForConstant - Figure out an approximation for how much /// per-call performance boost we can expect if the specified value is /// constant. |
