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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2019-07-17 19:24:02 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2019-07-17 19:24:02 +0000 |
| commit | d752f5e95309c28e1b0c174a5a770dc5d0244540 (patch) | |
| tree | 586f8e3e5727d11b5cacc7c5165bc2b98d82f8d2 /llvm/lib/Analysis/ValueTracking.cpp | |
| parent | 66412df94f8e6596664471ef9672655fc62754ce (diff) | |
| download | bcm5719-llvm-d752f5e95309c28e1b0c174a5a770dc5d0244540.tar.gz bcm5719-llvm-d752f5e95309c28e1b0c174a5a770dc5d0244540.zip | |
Basic codegen for MTE stack tagging.
Implement IR intrinsics for stack tagging. Generated code is very
unoptimized for now.
Two special intrinsics, llvm.aarch64.irg.sp and llvm.aarch64.tagp are
used to implement a tagged stack frame pointer in a virtual register.
Differential Revision: https://reviews.llvm.org/D64172
llvm-svn: 366360
Diffstat (limited to 'llvm/lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index 49a328bbc9b..c70906dcc62 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -3666,7 +3666,8 @@ bool llvm::isIntrinsicReturningPointerAliasingArgumentWithoutCapturing( const CallBase *Call) { return Call->getIntrinsicID() == Intrinsic::launder_invariant_group || Call->getIntrinsicID() == Intrinsic::strip_invariant_group || - Call->getIntrinsicID() == Intrinsic::aarch64_irg; + Call->getIntrinsicID() == Intrinsic::aarch64_irg || + Call->getIntrinsicID() == Intrinsic::aarch64_tagp; } /// \p PN defines a loop-variant pointer to an object. Check if the |
