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-rw-r--r--lib/IR/Verifier.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/IR/Verifier.cpp b/lib/IR/Verifier.cpp
index 1b1b3b8..7123eaf 100644
--- a/lib/IR/Verifier.cpp
+++ b/lib/IR/Verifier.cpp
@@ -692,6 +692,7 @@ void Verifier::VerifyAttributeTypes(AttributeSet Attrs, unsigned Idx,
I->getKindAsEnum() == Attribute::SanitizeMemory ||
I->getKindAsEnum() == Attribute::MinSize ||
I->getKindAsEnum() == Attribute::NoDuplicate ||
+ I->getKindAsEnum() == Attribute::Builtin ||
I->getKindAsEnum() == Attribute::NoBuiltin ||
I->getKindAsEnum() == Attribute::Cold) {
if (!isFunction)
@@ -877,6 +878,13 @@ void Verifier::visitFunction(Function &F) {
// Check function attributes.
VerifyFunctionAttrs(FT, Attrs, &F);
+ // On function declarations/definitions, we do not support the builtin
+ // attribute. We do not check this in VerifyFunctionAttrs since that is
+ // checking for Attributes that can/can not ever be on functions.
+ Assert1(!Attrs.hasAttribute(AttributeSet::FunctionIndex,
+ Attribute::Builtin),
+ "Attribute 'builtin' can only be applied to a callsite.", &F);
+
// Check that this function meets the restrictions on this calling convention.
switch (F.getCallingConv()) {
default:
@@ -1435,6 +1443,14 @@ void Verifier::VerifyCallSite(CallSite CS) {
"Function has metadata parameter but isn't an intrinsic", I);
}
+ // If the call site has the 'builtin' attribute, verify that it's applied to a
+ // direct call to a function with the 'nobuiltin' attribute.
+ if (CS.hasFnAttr(Attribute::Builtin))
+ Assert1(CS.getCalledFunction() &&
+ CS.getCalledFunction()->hasFnAttribute(Attribute::NoBuiltin),
+ "Attribute 'builtin' can only be used in a call to a function with "
+ "the 'nobuiltin' attribute.", I);
+
visitInstruction(*I);
}