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Refactor code-size reduction estimation methods out of InlineCostAnalyzer and into CodeMetrics. They

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don't use any InlineCostAnalyzer state, and are useful for other clients who don't necessarily want to use
all of InlineCostAnalyzer's logic, some of which is fairly inlining-specific.

No intended functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113499 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2010-09-09 16:56:42 +00:00
parent a6c329d66b
commit 082bf2a977
3 changed files with 101 additions and 101 deletions
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11
include/llvm/Analysis/CodeMetrics.h
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@@ -66,6 +66,17 @@ namespace llvm {
/// analyzeFunction - Add information about the specified function
/// to the current structure.
void analyzeFunction(Function *F);
/// CountCodeReductionForConstant - Figure out an approximation for how
/// many instructions will be constant folded if the specified value is
/// constant.
unsigned CountCodeReductionForConstant(Value *V);
/// CountCodeReductionForAlloca - Figure out an approximation of how much
/// smaller the function will be if it is inlined into a context where an
/// argument becomes an alloca.
///
unsigned CountCodeReductionForAlloca(Value *V);
};
}