1; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -relocation-model=pic -disable-fp-elim -regalloc=linearscan | FileCheck %s 2; rdar://7352504 3; Make sure we use "str r9, [sp, #+28]" instead of "sub.w r4, r7, #256" followed by "str r9, [r4, #-32]". 4 5%0 = type { i16, i8, i8 } 6%1 = type { [2 x i32], [2 x i32] } 7%2 = type { %union.rec* } 8%struct.FILE_POS = type { i8, i8, i16, i32 } 9%struct.GAP = type { i8, i8, i16 } 10%struct.LIST = type { %union.rec*, %union.rec* } 11%struct.STYLE = type { %union.anon, %union.anon, i16, i16, i32 } 12%struct.head_type = type { [2 x %struct.LIST], %union.FIRST_UNION, %union.SECOND_UNION, %union.THIRD_UNION, %union.FOURTH_UNION, %union.rec*, %2, %union.rec*, %union.rec*, %union.rec*, %union.rec*, %union.rec*, %union.rec*, %union.rec*, %union.rec*, i32 } 13%union.FIRST_UNION = type { %struct.FILE_POS } 14%union.FOURTH_UNION = type { %struct.STYLE } 15%union.SECOND_UNION = type { %0 } 16%union.THIRD_UNION = type { %1 } 17%union.anon = type { %struct.GAP } 18%union.rec = type { %struct.head_type } 19 20@zz_hold = external global %union.rec* ; <%union.rec**> [#uses=2] 21@zz_res = external global %union.rec* ; <%union.rec**> [#uses=1] 22 23define %union.rec* @Manifest(%union.rec* %x, %union.rec* %env, %struct.STYLE* %style, %union.rec** %bthr, %union.rec** %fthr, %union.rec** %target, %union.rec** %crs, i32 %ok, i32 %need_expand, %union.rec** %enclose, i32 %fcr) nounwind { 24entry: 25; CHECK: ldr{{(.w)?}} {{(r[0-9]+)|(lr)}}, [r7, #28] 26 %xgaps.i = alloca [32 x %union.rec*], align 4 ; <[32 x %union.rec*]*> [#uses=0] 27 %ycomp.i = alloca [32 x %union.rec*], align 4 ; <[32 x %union.rec*]*> [#uses=0] 28 br label %bb20 29 30bb20: ; preds = %entry 31 switch i32 undef, label %bb1287 [ 32 i32 11, label %bb119 33 i32 12, label %bb119 34 i32 21, label %bb420 35 i32 23, label %bb420 36 i32 45, label %bb438 37 i32 46, label %bb438 38 i32 55, label %bb533 39 i32 56, label %bb569 40 i32 64, label %bb745 41 i32 78, label %bb1098 42 ] 43 44bb119: ; preds = %bb20, %bb20 45 unreachable 46 47bb420: ; preds = %bb20, %bb20 48; CHECK: bb420 49; CHECK: str{{(.w)?}} r{{[0-9]+}}, [sp] 50; CHECK: str{{(.w)?}} r{{[0-9]+}}, [sp, #4] 51; CHECK: str{{(.w)?}} r{{[0-9]+}}, [sp, #8] 52; CHECK: str{{(.w)?}} r{{[0-9]+}}, [sp, #24] 53 store %union.rec* null, %union.rec** @zz_hold, align 4 54 store %union.rec* null, %union.rec** @zz_res, align 4 55 store %union.rec* %x, %union.rec** @zz_hold, align 4 56 %0 = call %union.rec* @Manifest(%union.rec* undef, %union.rec* %env, %struct.STYLE* %style, %union.rec** %bthr, %union.rec** %fthr, %union.rec** %target, %union.rec** %crs, i32 %ok, i32 %need_expand, %union.rec** %enclose, i32 %fcr) nounwind ; <%union.rec*> [#uses=0] 57 unreachable 58 59bb438: ; preds = %bb20, %bb20 60 unreachable 61 62bb533: ; preds = %bb20 63 ret %union.rec* %x 64 65bb569: ; preds = %bb20 66 unreachable 67 68bb745: ; preds = %bb20 69 unreachable 70 71bb1098: ; preds = %bb20 72 unreachable 73 74bb1287: ; preds = %bb20 75 unreachable 76} 77