| Manman Ren | 1602605 | 2016-01-11 23:50:43 +0000 | [diff] [blame] | 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 | |
| 12 | declare %struct.S* @_ZN1SC1Ev(%struct.S* returned) |
| 13 | declare %struct.S* @_ZN1SD1Ev(%struct.S* returned) |
| 14 | declare i32 @_tlv_atexit(void (i8*)*, i8*, i8*) |
| 15 | |
| 16 | define 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 | |
| 20 | init.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 |
| Manman Ren | 5e9e65e | 2016-01-12 00:47:18 +0000 | [diff] [blame] | 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} |
| Manman Ren | 1602605 | 2016-01-11 23:50:43 +0000 | [diff] [blame] | 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 |
| Manman Ren | 5e9e65e | 2016-01-12 00:47:18 +0000 | [diff] [blame] | 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} |