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| author | Anshil Gandhi <Anshil.Gandhi@amd.com> | 2023-06-13 15:14:11 -0600 |
|---|---|---|
| committer | Anshil Gandhi <gandhi21299@gmail.com> | 2023-06-13 15:15:19 -0600 |
| commit | 17b7df3daee85c1a4d1d955e558d42b34ce17549 (patch) | |
| tree | 708fcaf4149575959db6019aa2e840dbcb62a04f /llvm/lib/Analysis/MemoryBuiltins.cpp | |
| parent | d57646b2b217025a939a1553e2487b2028ada4ac (diff) | |
| download | llvm-17b7df3daee85c1a4d1d955e558d42b34ce17549.zip llvm-17b7df3daee85c1a4d1d955e558d42b34ce17549.tar.gz llvm-17b7df3daee85c1a4d1d955e558d42b34ce17549.tar.bz2 | |
[InstSimplify] Fold all global variables with initializers
Allow computing size of interposable or externally initializable global variables.
Reviewed By: nikic
Differential Revision: https://reviews.llvm.org/D152145
Diffstat (limited to 'llvm/lib/Analysis/MemoryBuiltins.cpp')
| -rw-r--r-- | llvm/lib/Analysis/MemoryBuiltins.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/MemoryBuiltins.cpp b/llvm/lib/Analysis/MemoryBuiltins.cpp index 6ff7aed..25fef92 100644 --- a/llvm/lib/Analysis/MemoryBuiltins.cpp +++ b/llvm/lib/Analysis/MemoryBuiltins.cpp @@ -826,7 +826,9 @@ SizeOffsetType ObjectSizeOffsetVisitor::visitGlobalAlias(GlobalAlias &GA) { } SizeOffsetType ObjectSizeOffsetVisitor::visitGlobalVariable(GlobalVariable &GV){ - if (!GV.hasDefinitiveInitializer()) + if (GV.hasExternalWeakLinkage() || + ((!GV.hasInitializer() || GV.isInterposable()) && + Options.EvalMode != ObjectSizeOpts::Mode::Min)) return unknown(); APInt Size(IntTyBits, DL.getTypeAllocSize(GV.getValueType())); |