Index: llvm/trunk/lib/Target/ARM/ARMBaseRegisterInfo.cpp
===================================================================
--- llvm/trunk/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ llvm/trunk/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -524,7 +524,6 @@
   // The incoming offset is relating to the SP at the start of the function,
   // but when we access the local it'll be relative to the SP after local
   // allocation, so adjust our SP-relative offset by that allocation size.
-  Offset = -Offset;
   Offset += MFI->getLocalFrameSize();
   // Assume that we'll have at least some spill slots allocated.
   // FIXME: This is a total SWAG number. We should run some statistics
Index: llvm/trunk/test/CodeGen/ARM/ssp-data-layout.ll
===================================================================
--- llvm/trunk/test/CodeGen/ARM/ssp-data-layout.ll
+++ llvm/trunk/test/CodeGen/ARM/ssp-data-layout.ll
@@ -21,13 +21,13 @@
 define void @layout_ssp() ssp {
 entry:
 ; Expected stack layout for ssp is
-;  180 large_char          . Group 1, nested arrays, arrays >= ssp-buffer-size
-;  172 struct_large_char   .
-;  168 scalar1             | Everything else
-;  164 scalar2
-;  160 scalar3
-;  156 addr-of
-;  152 small_nonchar (84+68)
+;  176 large_char          . Group 1, nested arrays, arrays >= ssp-buffer-size
+;  168 struct_large_char   .
+;  164 scalar1             | Everything else
+;  160 scalar2
+;  156 scalar3
+;  152 addr-of
+;  148 small_nonchar
 ;  112 large_nonchar
 ;  110 small_char
 ;  108 struct_small_char
@@ -35,27 +35,25 @@
 ;   68 struct_small_nonchar
 
 ; CHECK: layout_ssp:
-; r[[SP]] is used as an offset into the stack later
-; CHECK: add r[[SP:[0-9]+]], sp, #68
 
 ; CHECK: bl get_scalar1
-; CHECK: str r0, [sp, #168]
+; CHECK: str r0, [sp, #164]
 ; CHECK: bl end_scalar1
 
 ; CHECK: bl get_scalar2
-; CHECK: str r0, [sp, #164]
+; CHECK: str r0, [sp, #160]
 ; CHECK: bl end_scalar2
 
 ; CHECK: bl get_scalar3
-; CHECK: str r0, [sp, #160]
+; CHECK: str r0, [sp, #156]
 ; CHECK: bl end_scalar3
 
 ; CHECK: bl get_addrof
-; CHECK: str r0, [sp, #156]
+; CHECK: str r0, [sp, #152]
 ; CHECK: bl end_addrof
 
 ; CHECK: get_small_nonchar
-; CHECK: strh r0, [r[[SP]], #84]
+; CHECK: strh r0, [sp, #148]
 ; CHECK: bl end_small_nonchar
 
 ; CHECK: bl get_large_nonchar
@@ -67,11 +65,11 @@
 ; CHECK: bl end_small_char
 
 ; CHECK: bl get_large_char
-; CHECK: strb r0, [sp, #180]
+; CHECK: strb r0, [sp, #176]
 ; CHECK: bl end_large_char
 
 ; CHECK: bl get_struct_large_char
-; CHECK: strb r0, [sp, #172]
+; CHECK: strb r0, [sp, #168]
 ; CHECK: bl end_struct_large_char
 
 ; CHECK: bl get_struct_small_char
@@ -83,7 +81,7 @@
 ; CHECK: bl end_struct_large_nonchar
 
 ; CHECK: bl get_struct_small_nonchar
-; CHECK: strh r0, [r[[SP]]]
+; CHECK: strh r0, [sp, #68]
 ; CHECK: bl end_struct_small_nonchar
   %x = alloca i32, align 4
   %y = alloca i32, align 4
@@ -182,8 +180,6 @@
 ; 68   scalar3                +
 ;   
 ; CHECK: layout_sspstrong:
-; r[[SP]] is used as an offset into the stack later
-; CHECK: add r[[SP:[0-9]+]], sp, #84
 
 ; CHECK: bl get_scalar1
 ; CHECK: str r0, [sp, #76]
@@ -202,7 +198,7 @@
 ; CHECK: bl end_addrof
 
 ; CHECK: get_small_nonchar
-; CHECK: strh r0, [r[[SP]], #8]
+; CHECK: strh r0, [sp, #92]
 ; CHECK: bl end_small_nonchar
 
 ; CHECK: bl get_large_nonchar
@@ -230,7 +226,7 @@
 ; CHECK: bl end_struct_large_nonchar
 
 ; CHECK: bl get_struct_small_nonchar
-; CHECK: strh r0, [r[[SP]]]
+; CHECK: strh r0, [sp, #84]
 ; CHECK: bl end_struct_small_nonchar
   %x = alloca i32, align 4
   %y = alloca i32, align 4
@@ -317,8 +313,6 @@
 ; Expected stack layout for sspreq is the same as sspstrong
 ;   
 ; CHECK: layout_sspreq:
-; r[[SP]] is used as an offset into the stack later
-; CHECK: add r[[SP:[0-9]+]], sp, #84
 
 ; CHECK: bl get_scalar1
 ; CHECK: str r0, [sp, #76]
@@ -337,7 +331,7 @@
 ; CHECK: bl end_addrof
 
 ; CHECK: get_small_nonchar
-; CHECK: strh r0, [r[[SP]], #8]
+; CHECK: strh r0, [sp, #92]
 ; CHECK: bl end_small_nonchar
 
 ; CHECK: bl get_large_nonchar
@@ -365,7 +359,7 @@
 ; CHECK: bl end_struct_large_nonchar
 
 ; CHECK: bl get_struct_small_nonchar
-; CHECK: strh r0, [r[[SP]]]
+; CHECK: strh r0, [sp, #84]
 ; CHECK: bl end_struct_small_nonchar
   %x = alloca i32, align 4
   %y = alloca i32, align 4
Index: llvm/trunk/test/CodeGen/Thumb/stack-access.ll
===================================================================
--- llvm/trunk/test/CodeGen/Thumb/stack-access.ll
+++ llvm/trunk/test/CodeGen/Thumb/stack-access.ll
@@ -72,3 +72,19 @@
   %1 = load i16, i16* %x, align 2
   ret i16 %1
 }
+
+; Accessing the bottom of a large array shouldn't require materializing a base
+define void @test7() {
+  %arr = alloca [200 x i32], align 4
+
+  ; CHECK: movs [[REG:r[0-9]+]], #1
+  ; CHECK: str [[REG]], [sp, #4]
+  %arrayidx = getelementptr inbounds [200 x i32], [200 x i32]* %arr, i32 0, i32 1
+  store i32 1, i32* %arrayidx, align 4
+
+  ; CHECK: str [[REG]], [sp, #16]
+  %arrayidx1 = getelementptr inbounds [200 x i32], [200 x i32]* %arr, i32 0, i32 4
+  store i32 1, i32* %arrayidx1, align 4
+
+  ret void
+}
\ No newline at end of file