1; RUN: llc < %s -mtriple=thumbv8m.base-arm-none-eabi | FileCheck %s 2 3define void @fn() { 4entry: 5; CHECK-LABEL: fn: 6; CHECK: @ %bb.0: @ %entry 7; CHECK-NEXT: .save {r4, r5, r6, lr} 8; CHECK-NEXT: push {r4, r5, r6, lr} 9; CHECK-NEXT: ldr r6, .LCPI0_0 10; CHECK-NEXT: .pad #1600 11; CHECK-NEXT: add sp, r6 12; CHECK: .LCPI0_0: 13; CHECK_NEXT: long 4294963196 14 %a = alloca [400 x i32], align 4 15 %arraydecay = getelementptr inbounds [400 x i32], [400 x i32]* %a, i32 0, i32 0 16 call void @bar(i32* %arraydecay) 17 ret void 18} 19 20define void @execute_only_fn() #0 { 21entry: 22; CHECK-LABEL: execute_only_fn: 23; CHECK: @ %bb.0: @ %entry 24; CHECK-NEXT: .save {r4, r5, r6, lr} 25; CHECK-NEXT: push {r4, r5, r6, lr} 26; CHECK-NEXT: movw r6, #63936 27; CHECK-NEXT: movt r6, #65535 28; CHECK-NEXT: .pad #1600 29; CHECK-NEXT: add sp, r6 30 %a = alloca [400 x i32], align 4 31 %arraydecay = getelementptr inbounds [400 x i32], [400 x i32]* %a, i32 0, i32 0 32 call void @bar(i32* %arraydecay) 33 ret void 34} 35 36declare dso_local void @bar(i32*) 37 38attributes #0 = { noinline optnone "target-features"="+armv8-m.base,+execute-only,+thumb-mode" } 39