Teach ValueTracking that aarch64.irg result aliases its input.
Reviewers: javed.absar, olista01
Subscribers: kristof.beyls, hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D64103
llvm-svn: 365079
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index ebd2145..3ff5bf0 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -3697,7 +3697,8 @@
bool llvm::isIntrinsicReturningPointerAliasingArgumentWithoutCapturing(
const CallBase *Call) {
return Call->getIntrinsicID() == Intrinsic::launder_invariant_group ||
- Call->getIntrinsicID() == Intrinsic::strip_invariant_group;
+ Call->getIntrinsicID() == Intrinsic::strip_invariant_group ||
+ Call->getIntrinsicID() == Intrinsic::aarch64_irg;
}
/// \p PN defines a loop-variant pointer to an object. Check if the