; RUN: llc < %s -O0 -relocation-model=pic -frame-pointer=all -no-integrated-as target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64-n32" target triple = "armv6-apple-darwin10" %struct0 = type { i32, i32 } ; This function would crash RegAllocFast because it tried to spill %CPSR. define arm_apcscc void @clobber_cc() nounwind noinline ssp { entry: %asmtmp = call %struct0 asm sideeffect "...", "=&r,=&r,r,Ir,r,~{cc},~{memory}"(ptr undef, i32 undef, i32 1) nounwind ; <%0> [#uses=0] unreachable } @.str523 = private constant [256 x i8] c"\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", align 4 ; [#uses=1] declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1) nounwind ; This function uses the scavenger for an ADDri instruction. ; ARMBaseRegisterInfo::estimateRSStackSizeLimit must return a 255 limit. define arm_apcscc void @scavence_ADDri() nounwind { entry: %letter = alloca i8 ; [#uses=0] %prodvers = alloca [256 x i8] ; [#uses=1] %buildver = alloca [256 x i8] ; [#uses=0] call void @llvm.memcpy.p0.p0.i32(ptr align 1 undef, ptr align 1 @.str523, i32 256, i1 false) call void @llvm.memcpy.p0.p0.i32(ptr align 1 %prodvers, ptr align 1 @.str523, i32 256, i1 false) unreachable }