add some accessors to callsite/callinst/invokeinst to check
for the noinline attribute, and make the inliner refuse to
inline a call site when the call site is marked noinline even
if the callee isn't. This fixes PR6682.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99341 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/InlineFunction.cpp b/lib/Transforms/Utils/InlineFunction.cpp
index 17f8827..599fe33 100644
--- a/lib/Transforms/Utils/InlineFunction.cpp
+++ b/lib/Transforms/Utils/InlineFunction.cpp
@@ -229,7 +229,9 @@
const Function *CalledFunc = CS.getCalledFunction();
if (CalledFunc == 0 || // Can't inline external function or indirect
CalledFunc->isDeclaration() || // call, or call to a vararg function!
- CalledFunc->getFunctionType()->isVarArg()) return false;
+ CalledFunc->getFunctionType()->isVarArg() ||
+ CS.isNoInline()) // Call site is marked noinline.
+ return false;
// If the call to the callee is not a tail call, we must clear the 'tail'