[PATCH] D74094: [IRGen] Emit lifetime intrinsics around temporary aggregate argument allocas
Erik Pilkington via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Feb 5 15:11:31 PST 2020
erik.pilkington created this revision.
erik.pilkington added reviewers: rjmccall, thegameg, rsmith.
Herald added subscribers: ributzka, dexonsmith, jkorous.
These temporaries are only used in the callee, and their memory can be reused after the call is complete.
rdar://58552124
https://reviews.llvm.org/D74094
Files:
clang/lib/CodeGen/CGCall.cpp
clang/lib/CodeGen/CGCall.h
clang/test/CodeGen/lifetime-call-temp.c
clang/test/CodeGenCXX/stack-reuse-miscompile.cpp
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