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| author | Johannes Doerfert <johannes@jdoerfert.de> | 2023-08-29 16:37:03 -0700 |
|---|---|---|
| committer | Johannes Doerfert <johannes@jdoerfert.de> | 2023-08-31 19:32:52 -0700 |
| commit | 209496b766bb08f43155d38dc8015804fb6c0c96 (patch) | |
| tree | c3584e0bd0c16366c9a0a33bdb4c9d4d02793565 /llvm/lib/IR/Function.cpp | |
| parent | 6e42f905ae215fbf0c92b57780b64b274cc7e206 (diff) | |
| download | llvm-209496b766bb08f43155d38dc8015804fb6c0c96.zip llvm-209496b766bb08f43155d38dc8015804fb6c0c96.tar.gz llvm-209496b766bb08f43155d38dc8015804fb6c0c96.tar.bz2 | |
[Core] Allow `hasAddressTaken` to ignore "casted direct calls"
A direct call to a function casted to a different type is still not
really an address taken event. We allow the user to opt out of these
now.
Reviewed By: arsenm
Differential Revision: https://reviews.llvm.org/D159149
Diffstat (limited to 'llvm/lib/IR/Function.cpp')
| -rw-r--r-- | llvm/lib/IR/Function.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/IR/Function.cpp b/llvm/lib/IR/Function.cpp index a9beb0b..b1b8404 100644 --- a/llvm/lib/IR/Function.cpp +++ b/llvm/lib/IR/Function.cpp @@ -1752,7 +1752,8 @@ std::optional<Function *> Intrinsic::remangleIntrinsicFunction(Function *F) { bool Function::hasAddressTaken(const User **PutOffender, bool IgnoreCallbackUses, bool IgnoreAssumeLikeCalls, bool IgnoreLLVMUsed, - bool IgnoreARCAttachedCall) const { + bool IgnoreARCAttachedCall, + bool IgnoreCastedDirectCall) const { for (const Use &U : uses()) { const User *FU = U.getUser(); if (isa<BlockAddress>(FU)) @@ -1801,7 +1802,8 @@ bool Function::hasAddressTaken(const User **PutOffender, continue; } - if (!Call->isCallee(&U) || Call->getFunctionType() != getFunctionType()) { + if (!Call->isCallee(&U) || (!IgnoreCastedDirectCall && + Call->getFunctionType() != getFunctionType())) { if (IgnoreARCAttachedCall && Call->isOperandBundleOfType(LLVMContext::OB_clang_arc_attachedcall, U.getOperandNo())) |