diff --git a/llvm/lib/Analysis/InlineCost.cpp b/llvm/lib/Analysis/InlineCost.cpp index 7f0b0cc3bf1b..14bdd40efcfc 100644 --- a/llvm/lib/Analysis/InlineCost.cpp +++ b/llvm/lib/Analysis/InlineCost.cpp @@ -63,8 +63,8 @@ void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB, // Special handling for calls. if (isa(II) || isa(II)) { - if (isa(II)) - continue; // Debug intrinsics don't count as size. + if (isa(II)) + continue; // Intrinsics have no argument setup and can't be inlined. ImmutableCallSite CS(cast(II)); @@ -72,7 +72,7 @@ void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB, // If a function is both internal and has a single use, then it is // extremely likely to get inlined in the future (it was probably // exposed by an interleaved devirtualization pass). - if (F->hasInternalLinkage() && F->hasOneUse()) + if (!CS.isNoInline() && F->hasInternalLinkage() && F->hasOneUse()) ++NumInlineCandidates; // If this call is to function itself, then the function is recursive. @@ -83,7 +83,7 @@ void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB, isRecursive = true; } - if (!isa(II) && !callIsSmall(CS.getCalledFunction())) { + if (!callIsSmall(CS.getCalledFunction())) { // Each argument to a call takes on average one instruction to set up. NumInsts += CS.arg_size();