Add function attribute 'optnone'.
This function attribute indicates that the function is not optimized
by any optimization or code generator passes with the
exception of interprocedural optimization passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189101 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/Verifier.cpp b/lib/IR/Verifier.cpp
index 0eda97f..3d29640 100644
--- a/lib/IR/Verifier.cpp
+++ b/lib/IR/Verifier.cpp
@@ -751,7 +751,8 @@
I->getKindAsEnum() == Attribute::NoDuplicate ||
I->getKindAsEnum() == Attribute::Builtin ||
I->getKindAsEnum() == Attribute::NoBuiltin ||
- I->getKindAsEnum() == Attribute::Cold) {
+ I->getKindAsEnum() == Attribute::Cold ||
+ I->getKindAsEnum() == Attribute::OptimizeNone) {
if (!isFunction) {
CheckFailed("Attribute '" + I->getAsString() +
"' only applies to functions!", V);
@@ -897,6 +898,21 @@
Attrs.hasAttribute(AttributeSet::FunctionIndex,
Attribute::AlwaysInline)),
"Attributes 'noinline and alwaysinline' are incompatible!", V);
+
+ if (Attrs.hasAttribute(AttributeSet::FunctionIndex,
+ Attribute::OptimizeNone)) {
+ Assert1(!Attrs.hasAttribute(AttributeSet::FunctionIndex,
+ Attribute::AlwaysInline),
+ "Attributes 'alwaysinline and optnone' are incompatible!", V);
+
+ Assert1(!Attrs.hasAttribute(AttributeSet::FunctionIndex,
+ Attribute::OptimizeForSize),
+ "Attributes 'optsize and optnone' are incompatible!", V);
+
+ Assert1(!Attrs.hasAttribute(AttributeSet::FunctionIndex,
+ Attribute::MinSize),
+ "Attributes 'minsize and optnone' are incompatible!", V);
+ }
}
void Verifier::VerifyBitcastType(const Value *V, Type *DestTy, Type *SrcTy) {