Teach ARM isLegalAddressingMode to handle unknown type without crashing. This fixes pr2589.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 15c225a..afc7ebc 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1598,7 +1598,7 @@
/// 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), Subtarget))
+ if (!isLegalAddressImmediate(AM.BaseOffs, getValueType(Ty, true), Subtarget))
return false;
// Can never fold addr of global into load/store.
diff --git a/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll b/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll
new file mode 100644
index 0000000..6ea75eb
--- /dev/null
+++ b/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc -march=arm
+; PR2589
+
+define void @main({ i32 }*) {
+entry:
+ %sret1 = alloca { i32 } ; <{ i32 }*> [#uses=1]
+ load { i32 }* %sret1 ; <{ i32 }>:1 [#uses=0]
+ ret void
+}