| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s |
| |
| define win64cc void @pass_va(i32 %count, ...) nounwind { |
| ; CHECK-LABEL: pass_va: |
| ; CHECK: // %bb.0: // %entry |
| ; CHECK-NEXT: sub sp, sp, #96 |
| ; CHECK-NEXT: add x8, sp, #40 |
| ; CHECK-NEXT: add x0, sp, #40 |
| ; CHECK-NEXT: stp x30, x18, [sp, #16] // 16-byte Folded Spill |
| ; CHECK-NEXT: stp x3, x4, [sp, #56] |
| ; CHECK-NEXT: stp x1, x2, [sp, #40] |
| ; CHECK-NEXT: stp x5, x6, [sp, #72] |
| ; CHECK-NEXT: str x7, [sp, #88] |
| ; CHECK-NEXT: str x8, [sp, #8] |
| ; CHECK-NEXT: bl other_func |
| ; CHECK-NEXT: ldp x30, x18, [sp, #16] // 16-byte Folded Reload |
| ; CHECK-NEXT: add sp, sp, #96 |
| ; CHECK-NEXT: ret |
| entry: |
| %ap = alloca i8*, align 8 |
| %ap1 = bitcast i8** %ap to i8* |
| call void @llvm.va_start(i8* %ap1) |
| %ap2 = load i8*, i8** %ap, align 8 |
| call void @other_func(i8* %ap2) |
| ret void |
| } |
| |
| declare void @other_func(i8*) local_unnamed_addr |
| |
| declare void @llvm.va_start(i8*) nounwind |
| declare void @llvm.va_copy(i8*, i8*) nounwind |
| |
| define win64cc i8* @f9(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, i64 %a7, i64 %a8, ...) nounwind { |
| ; CHECK-LABEL: f9: |
| ; CHECK: // %bb.0: // %entry |
| ; CHECK-NEXT: str x18, [sp, #-16]! // 8-byte Folded Spill |
| ; CHECK-NEXT: add x8, sp, #24 |
| ; CHECK-NEXT: add x0, sp, #24 |
| ; CHECK-NEXT: str x8, [sp, #8] |
| ; CHECK-NEXT: ldr x18, [sp], #16 // 8-byte Folded Reload |
| ; CHECK-NEXT: ret |
| entry: |
| %ap = alloca i8*, align 8 |
| %ap1 = bitcast i8** %ap to i8* |
| call void @llvm.va_start(i8* %ap1) |
| %ap2 = load i8*, i8** %ap, align 8 |
| ret i8* %ap2 |
| } |
| |
| define win64cc i8* @f8(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, i64 %a7, ...) nounwind { |
| ; CHECK-LABEL: f8: |
| ; CHECK: // %bb.0: // %entry |
| ; CHECK-NEXT: str x18, [sp, #-16]! // 8-byte Folded Spill |
| ; CHECK-NEXT: add x8, sp, #16 |
| ; CHECK-NEXT: add x0, sp, #16 |
| ; CHECK-NEXT: str x8, [sp, #8] |
| ; CHECK-NEXT: ldr x18, [sp], #16 // 8-byte Folded Reload |
| ; CHECK-NEXT: ret |
| entry: |
| %ap = alloca i8*, align 8 |
| %ap1 = bitcast i8** %ap to i8* |
| call void @llvm.va_start(i8* %ap1) |
| %ap2 = load i8*, i8** %ap, align 8 |
| ret i8* %ap2 |
| } |
| |
| define win64cc i8* @f7(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, ...) nounwind { |
| ; CHECK-LABEL: f7: |
| ; CHECK: // %bb.0: // %entry |
| ; CHECK-NEXT: str x18, [sp, #-32]! // 8-byte Folded Spill |
| ; CHECK-NEXT: add x8, sp, #24 |
| ; CHECK-NEXT: add x0, sp, #24 |
| ; CHECK-NEXT: str x7, [sp, #24] |
| ; CHECK-NEXT: str x8, [sp, #8] |
| ; CHECK-NEXT: ldr x18, [sp], #32 // 8-byte Folded Reload |
| ; CHECK-NEXT: ret |
| entry: |
| %ap = alloca i8*, align 8 |
| %ap1 = bitcast i8** %ap to i8* |
| call void @llvm.va_start(i8* %ap1) |
| %ap2 = load i8*, i8** %ap, align 8 |
| ret i8* %ap2 |
| } |