| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: llc -mtriple=aarch64-apple-darwin -aarch64-enable-subreg-liveness-tracking < %s | FileCheck %s |
| |
| define preserve_nonecc i32 @callee(i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, ...) nounwind noinline ssp { |
| ; CHECK-LABEL: callee: |
| ; CHECK: ; %bb.0: |
| ; CHECK-NEXT: sub sp, sp, #16 |
| ; CHECK-NEXT: add x8, sp, #16 |
| ; CHECK-NEXT: ldr w0, [sp, #16] |
| ; CHECK-NEXT: orr x8, x8, #0x8 |
| ; CHECK-NEXT: str x8, [sp, #8] |
| ; CHECK-NEXT: add sp, sp, #16 |
| ; CHECK-NEXT: ret |
| %args = alloca ptr, align 8 |
| call void @llvm.va_start(ptr %args) |
| %10 = va_arg ptr %args, i32 |
| call void @llvm.va_end(ptr %args) |
| ret i32 %10 |
| } |
| |
| declare void @llvm.va_start(ptr) nounwind |
| declare void @llvm.va_end(ptr) nounwind |
| |
| define i32 @caller() nounwind ssp { |
| ; CHECK-LABEL: caller: |
| ; CHECK: ; %bb.0: |
| ; CHECK-NEXT: sub sp, sp, #208 |
| ; CHECK-NEXT: mov w8, #10 ; =0xa |
| ; CHECK-NEXT: mov w9, #9 ; =0x9 |
| ; CHECK-NEXT: mov w0, #1 ; =0x1 |
| ; CHECK-NEXT: stp x9, x8, [sp, #24] |
| ; CHECK-NEXT: mov w8, #8 ; =0x8 |
| ; CHECK-NEXT: mov w9, #6 ; =0x6 |
| ; CHECK-NEXT: str x8, [sp, #16] |
| ; CHECK-NEXT: mov w8, #7 ; =0x7 |
| ; CHECK-NEXT: mov w1, #2 ; =0x2 |
| ; CHECK-NEXT: mov w2, #3 ; =0x3 |
| ; CHECK-NEXT: mov w3, #4 ; =0x4 |
| ; CHECK-NEXT: mov w4, #5 ; =0x5 |
| ; CHECK-NEXT: stp d15, d14, [sp, #48] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp d13, d12, [sp, #64] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp d11, d10, [sp, #80] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp d9, d8, [sp, #96] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp x28, x27, [sp, #112] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp x26, x25, [sp, #128] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp x24, x23, [sp, #144] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp x22, x21, [sp, #160] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp x20, x19, [sp, #176] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp x29, x30, [sp, #192] ; 16-byte Folded Spill |
| ; CHECK-NEXT: stp x9, x8, [sp] |
| ; CHECK-NEXT: bl _callee |
| ; CHECK-NEXT: ldp x29, x30, [sp, #192] ; 16-byte Folded Reload |
| ; CHECK-NEXT: ldp x20, x19, [sp, #176] ; 16-byte Folded Reload |
| ; CHECK-NEXT: ldp x22, x21, [sp, #160] ; 16-byte Folded Reload |
| ; CHECK-NEXT: ldp x24, x23, [sp, #144] ; 16-byte Folded Reload |
| ; CHECK-NEXT: ldp x26, x25, [sp, #128] ; 16-byte Folded Reload |
| ; CHECK-NEXT: ldp x28, x27, [sp, #112] ; 16-byte Folded Reload |
| ; CHECK-NEXT: ldp d9, d8, [sp, #96] ; 16-byte Folded Reload |
| ; CHECK-NEXT: ldp d11, d10, [sp, #80] ; 16-byte Folded Reload |
| ; CHECK-NEXT: ldp d13, d12, [sp, #64] ; 16-byte Folded Reload |
| ; CHECK-NEXT: ldp d15, d14, [sp, #48] ; 16-byte Folded Reload |
| ; CHECK-NEXT: add sp, sp, #208 |
| ; CHECK-NEXT: ret |
| %r = tail call preserve_nonecc i32 (i32, i32, i32, i32, i32, ...) @callee(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10) |
| ret i32 %r |
| } |
| |