arm has r+r*s and r+i addr modes, but no r+i+r*s addr modes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35962 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 219e4e1..0cef4cc 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1370,8 +1370,12 @@
case 1:
if (Subtarget->isThumb())
return false;
-
+ // FALL THROUGH.
default:
+ // ARM doesn't support any R+R*scale+imm addr modes.
+ if (AM.BaseOffs)
+ return false;
+
int Scale = AM.Scale;
switch (getValueType(Ty)) {
default: return false;