diff options
Diffstat (limited to 'llvm/lib/Analysis/Loads.cpp')
-rw-r--r-- | llvm/lib/Analysis/Loads.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/Loads.cpp b/llvm/lib/Analysis/Loads.cpp index af7ccb9dfc9..e46541e6538 100644 --- a/llvm/lib/Analysis/Loads.cpp +++ b/llvm/lib/Analysis/Loads.cpp @@ -91,8 +91,11 @@ static bool isDereferenceableAndAlignedPointer( // then the GEP (== Base + Offset == k_0 * Align + k_1 * Align) is also // aligned to Align bytes. - return isDereferenceableAndAlignedPointer(Base, Align, Offset + Size, DL, - CtxI, DT, Visited); + // Offset and Size may have different bit widths if we have visited an + // addrspacecast, so we can't do arithmetic directly on the APInt values. + return isDereferenceableAndAlignedPointer( + Base, Align, Offset + Size.sextOrTrunc(Offset.getBitWidth()), + DL, CtxI, DT, Visited); } // For gc.relocate, look through relocations |