summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Analysis/Loads.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Analysis/Loads.cpp')
-rw-r--r--llvm/lib/Analysis/Loads.cpp7
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
OpenPOWER on IntegriCloud