1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -filetype=obj -o /dev/null < %s 3; RUN: llc -filetype=asm %s -o - | FileCheck %s 4 5; ModuleID = 'bugpoint-reduced-simplified.bc' 6source_filename = "bugpoint-output-39ed676.bc" 7target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 8target triple = "thumbv8m.base-arm-none-eabi" 9 10@crc32_tab = external unnamed_addr global [256 x i32], align 4 11@g_566 = external global ptr, align 4 12 13define void @main() { 14; CHECK-LABEL: main: 15; CHECK: @ %bb.0: @ %entry 16; CHECK-NEXT: movw r0, :lower16:g_566 17; CHECK-NEXT: movt r0, :upper16:g_566 18; CHECK-NEXT: ldr r0, [r0] 19; CHECK-NEXT: movs r0, #0 20; CHECK-NEXT: cmp r0, #0 21; CHECK-NEXT: beq .LBB0_7 22; CHECK-NEXT: @ %bb.1: @ %for.cond7.preheader.i.lr.ph.i.i 23; CHECK-NEXT: bne .LBB0_7 24; CHECK-NEXT: .LBB0_2: @ %for.cond14.preheader.us.i.i.i 25; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1 26; CHECK-NEXT: cbnz r0, .LBB0_6 27; CHECK-NEXT: @ %bb.3: @ %for.cond14.preheader.us.i.i.i 28; CHECK-NEXT: @ in Loop: Header=BB0_2 Depth=1 29; CHECK-NEXT: lsls r1, r0, #2 30; CHECK-NEXT: adr r2, .LJTI0_0 31; CHECK-NEXT: adds r1, r2, r1 32; CHECK-NEXT: mov pc, r1 33; CHECK-NEXT: @ %bb.4: 34; CHECK-NEXT: .p2align 2 35; CHECK-NEXT: .LJTI0_0: 36; CHECK-NEXT: b.w .LBB0_5 37; CHECK-NEXT: b.w .LBB0_6 38; CHECK-NEXT: b.w .LBB0_8 39; CHECK-NEXT: b.w .LBB0_7 40; CHECK-NEXT: b.w .LBB0_6 41; CHECK-NEXT: b.w .LBB0_6 42; CHECK-NEXT: b.w .LBB0_6 43; CHECK-NEXT: b.w .LBB0_6 44; CHECK-NEXT: b.w .LBB0_6 45; CHECK-NEXT: b.w .LBB0_6 46; CHECK-NEXT: b.w .LBB0_6 47; CHECK-NEXT: b.w .LBB0_5 48; CHECK-NEXT: .LBB0_5: @ %for.cond14.preheader.us.i.i.i 49; CHECK-NEXT: @ in Loop: Header=BB0_2 Depth=1 50; CHECK-NEXT: b .LBB0_2 51; CHECK-NEXT: .LBB0_6: @ %func_1.exit.loopexit 52; CHECK-NEXT: .LBB0_7: @ %for.end476.i.i.i.loopexit 53; CHECK-NEXT: .LBB0_8: @ %lbl_1394.i.i.i.loopexit 54entry: 55 %0 = load volatile ptr, ptr @g_566, align 4 56 br label %func_16.exit.i.i.i 57 58lbl_1394.i.i.i.loopexit: ; preds = %for.cond14.preheader.us.i.i.i 59 unreachable 60 61func_16.exit.i.i.i: ; preds = %entry 62 br i1 undef, label %for.cond7.preheader.i.lr.ph.i.i, label %for.end476.i.i.i.loopexit 63 64for.cond7.preheader.i.lr.ph.i.i: ; preds = %func_16.exit.i.i.i 65 br i1 undef, label %for.end476.i.i.i.loopexit, label %for.cond7.preheader.i.i.preheader.i 66 67for.cond7.preheader.i.i.preheader.i: ; preds = %for.cond7.preheader.i.lr.ph.i.i 68 br label %for.cond14.preheader.us.i.i.i 69 70for.cond7.preheader.i.us.i.i: ; preds = %for.cond7.preheader.i.lr.ph.i.i 71 unreachable 72 73for.cond14.preheader.us.i.i.i: ; preds = %for.inc459.us.i.i.i, %for.cond7.preheader.i.i.preheader.i 74 switch i4 undef, label %func_1.exit.loopexit [ 75 i4 0, label %for.inc459.us.i.i.i 76 i4 -5, label %for.inc459.us.i.i.i 77 i4 2, label %lbl_1394.i.i.i.loopexit 78 i4 3, label %for.end476.i.i.i.loopexit 79 ] 80 81for.inc459.us.i.i.i: ; preds = %for.cond14.preheader.us.i.i.i, %for.cond14.preheader.us.i.i.i 82 br label %for.cond14.preheader.us.i.i.i 83 84for.end476.i.i.i.loopexit: ; preds = %for.cond14.preheader.us.i.i.i 85 unreachable 86 87func_1.exit.loopexit: ; preds = %for.cond14.preheader.us.i.i.i 88 %arrayidx.i63.i.i5252 = getelementptr inbounds [256 x i32], ptr @crc32_tab, i32 0, i32 undef 89 unreachable 90} 91