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authorDale Johannesen <dalej@apple.com>2009-10-09 21:42:02 +0000
committerDale Johannesen <dalej@apple.com>2009-10-09 21:42:02 +0000
commitbdb984bc2757114bc706026603ed40d7f508c4c1 (patch)
treefd2e8b0e174e61730ca54aa4ac0621fd8aa1132c /lib/Transforms/Utils/InlineCost.cpp
parentd7894f105a3c397a3d7f5c5136eee39f5865e64b (diff)
Use names instead of numbers for some of the magic
constants used in inlining heuristics (especially those used in more than one file). No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83675 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/InlineCost.cpp')
-rw-r--r--lib/Transforms/Utils/InlineCost.cpp12
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/Transforms/Utils/InlineCost.cpp b/lib/Transforms/Utils/InlineCost.cpp
index df03b378f0..496f2e445e 100644
--- a/lib/Transforms/Utils/InlineCost.cpp
+++ b/lib/Transforms/Utils/InlineCost.cpp
@@ -132,12 +132,12 @@ void InlineCostAnalyzer::FunctionInfo::analyzeFunction(Function *F) {
// Calls often compile into many machine instructions. Bump up their
// cost to reflect this.
if (!isa<IntrinsicInst>(II))
- NumInsts += 5;
+ NumInsts += InlineConstants::CallPenalty;
}
// These, too, are calls.
if (isa<MallocInst>(II) || isa<FreeInst>(II))
- NumInsts += 5;
+ NumInsts += InlineConstants::CallPenalty;
if (const AllocaInst *AI = dyn_cast<AllocaInst>(II)) {
if (!AI->isStaticAlloca())
@@ -212,21 +212,21 @@ InlineCost InlineCostAnalyzer::getInlineCost(CallSite CS,
// make it almost guaranteed to be inlined.
//
if (Callee->hasLocalLinkage() && Callee->hasOneUse())
- InlineCost -= 15000;
+ InlineCost += InlineConstants::LastCallToStaticBonus;
// If this function uses the coldcc calling convention, prefer not to inline
// it.
if (Callee->getCallingConv() == CallingConv::Cold)
- InlineCost += 2000;
+ InlineCost += InlineConstants::ColdccPenalty;
// If the instruction after the call, or if the normal destination of the
// invoke is an unreachable instruction, the function is noreturn. As such,
// there is little point in inlining this.
if (InvokeInst *II = dyn_cast<InvokeInst>(TheCall)) {
if (isa<UnreachableInst>(II->getNormalDest()->begin()))
- InlineCost += 10000;
+ InlineCost += InlineConstants::NoreturnPenalty;
} else if (isa<UnreachableInst>(++BasicBlock::iterator(TheCall)))
- InlineCost += 10000;
+ InlineCost += InlineConstants::NoreturnPenalty;
// Get information about the callee...
FunctionInfo &CalleeFI = CachedFunctionInfo[Callee];