[llvm-commits] [llvm] r54004 - in /llvm/trunk: lib/Target/ARM/ARMISelLowering.cpp test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll

[Evan Cheng]

Author: evancheng
Date: Thu Jul 24 19:55:17 2008
New Revision: 54004

URL: http://llvm.org/viewvc/llvm-project?rev=54004&view=rev
Log:
Teach ARM isLegalAddressingMode to handle unknown type without crashing. This fixes pr2589.

Added:
    llvm/trunk/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll
Modified:
    llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp?rev=54004&r1=54003&r2=54004&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp Thu Jul 24 19:55:17 2008
@@ -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.

Added: llvm/trunk/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll?rev=54004&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll (added)
+++ llvm/trunk/test/CodeGen/ARM/2008-07-24-CodeGenPrepCrash.ll Thu Jul 24 19:55:17 2008
@@ -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
+}