1; RUN: llc < %s -mtriple=armv7k-apple-watchos2.0 | FileCheck %s 2; RUN: llc < %s -mtriple=armv7k-apple-watchos2.0 -enable-shrink-wrap=true | FileCheck --check-prefix=CHECK %s 3; RUN: llc < %s -mtriple=armv7-apple-ios8.0 | FileCheck %s 4; RUN: llc < %s -mtriple=armv7-apple-ios8.0 -enable-shrink-wrap=true | FileCheck --check-prefix=CHECK %s 5 6%struct.S = type { i8 } 7 8@sg = internal thread_local global %struct.S zeroinitializer, align 1 9@__dso_handle = external global i8 10@__tls_guard = internal thread_local unnamed_addr global i1 false 11 12declare %struct.S* @_ZN1SC1Ev(%struct.S* returned) 13declare %struct.S* @_ZN1SD1Ev(%struct.S* returned) 14declare i32 @_tlv_atexit(void (i8*)*, i8*, i8*) 15 16define cxx_fast_tlscc nonnull %struct.S* @_ZTW2sg() nounwind { 17 %.b.i = load i1, i1* @__tls_guard, align 1 18 br i1 %.b.i, label %__tls_init.exit, label %init.i 19 20init.i: 21 store i1 true, i1* @__tls_guard, align 1 22 %call.i.i = tail call %struct.S* @_ZN1SC1Ev(%struct.S* nonnull @sg) 23 %1 = tail call i32 @_tlv_atexit(void (i8*)* nonnull bitcast (%struct.S* (%struct.S*)* @_ZN1SD1Ev to void (i8*)*), i8* nonnull getelementptr inbounds (%struct.S, %struct.S* @sg, i64 0, i32 0), i8* nonnull @__dso_handle) 24 br label %__tls_init.exit 25 26__tls_init.exit: 27 ret %struct.S* @sg 28} 29 30; CHECK-LABEL: _ZTW2sg 31; CHECK: push {lr} 32; CHECK-NOT: push {r1, r2, r3, r4, r7, lr} 33; CHECK-NOT: push {r9, r12} 34; CHECK-NOT: vpush {d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31} 35; CHECK-NOT: vpush {d0, d1, d2, d3, d4, d5, d6, d7} 36; CHECK: blx 37; CHECK: bne [[BB_end:.?LBB0_[0-9]+]] 38; CHECK; blx 39; CHECK: tlv_atexit 40; CHECK: [[BB_end]]: 41; CHECK: blx 42; CHECK-NOT: vpop {d0, d1, d2, d3, d4, d5, d6, d7} 43; CHECK-NOT: vpop {d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31} 44; CHECK-NOT: pop {r9, r12} 45; CHECK-NOT: pop {r1, r2, r3, r4, r7, pc} 46; CHECK: pop {lr} 47