Fix PR3795: Apply Dan's suggested fix for
ARMTargetLowering::isLegalAddressingMode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 79a7586..d018796 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1759,7 +1759,8 @@
/// by AM is legal for this target, for a load/store of the specified type.
bool ARMTargetLowering::isLegalAddressingMode(const AddrMode &AM,
const Type *Ty) const {
- if (!isLegalAddressImmediate(AM.BaseOffs, getValueType(Ty, true), Subtarget))
+ MVT VT = getValueType(Ty, true);
+ if (!isLegalAddressImmediate(AM.BaseOffs, VT, Subtarget))
return false;
// Can never fold addr of global into load/store.
@@ -1778,8 +1779,11 @@
if (AM.BaseOffs)
return false;
+ if (!VT.isSimple())
+ return false;
+
int Scale = AM.Scale;
- switch (getValueType(Ty).getSimpleVT()) {
+ switch (VT.getSimpleVT()) {
default: return false;
case MVT::i1:
case MVT::i8: