1 ; With Darwin PCS, non-virtual thunks generated are generated with musttail
2 ; and are expected to build
3 ; In general Darwin PCS should be tail optimized
4 ; RUN: llc -mtriple=arm64-apple-ios5.0.0 < %s | FileCheck %s
6 ; CHECK-LABEL: __ZThn16_N1C3addEPKcz:
7 ; CHECK: b __ZN1C3addEPKcz
8 ; CHECK-LABEL: _tailTest:
9 ; CHECK: b __ZN1C3addEPKcz
10 ; CHECK-LABEL: __ZThn8_N1C1fEiiiiiiiiiz:
11 ; CHECK: ldr w9, [sp, #4]
12 ; CHECK: str w9, [sp, #4]
13 ; CHECK: b __ZN1C1fEiiiiiiiiiz
15 %class.C = type { %class.A.base, [4 x i8], %class.B.base, [4 x i8] }
16 %class.A.base = type <{ ptr, i32 }>
17 %class.B.base = type <{ ptr, i32 }>
19 declare void @_ZN1C3addEPKcz(ptr, ptr, ...) unnamed_addr #0 align 2
21 define void @_ZThn16_N1C3addEPKcz(ptr %0, ptr %1, ...) unnamed_addr #0 align 2 {
22 musttail call void (ptr, ptr, ...) @_ZN1C3addEPKcz(ptr noundef nonnull align 8 dereferenceable(28) undef, ptr noundef %1, ...)
26 define void @tailTest(ptr %0, ptr %1, ...) unnamed_addr #0 align 2 {
27 tail call void (ptr, ptr, ...) @_ZN1C3addEPKcz(ptr noundef nonnull align 8 dereferenceable(28) undef, ptr noundef %1)
31 declare void @_ZN1C1fEiiiiiiiiiz(ptr %0, i32 %1, i32 %2, i32 %3, i32 %4, i32 %5, i32 %6, i32 %7, i32 %8, i32 noundef %9, ...) unnamed_addr #1 align 2
33 define void @_ZThn8_N1C1fEiiiiiiiiiz(ptr %0, i32 %1, i32 %2, i32 %3, i32 %4, i32 %5, i32 %6, i32 %7, i32 %8, i32 noundef %9, ...) unnamed_addr #1 align 2 {
34 musttail call void (ptr, i32, i32, i32, i32, i32, i32, i32, i32, i32, ...) @_ZN1C1fEiiiiiiiiiz(ptr nonnull align 8 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 noundef %9, ...)