; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s ; RUN: llc < %s --global-isel=1 -mtriple=aarch64-apple-darwin | FileCheck %s --check-prefix=DARWIN 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 x1, x2, [sp, #40] ; CHECK-NEXT: stp x3, x4, [sp, #56] ; 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 ; ; DARWIN-LABEL: pass_va: ; DARWIN: ; %bb.0: ; %entry ; DARWIN-NEXT: str x18, [sp, #-96]! ; 8-byte Folded Spill ; DARWIN-NEXT: add x8, sp, #8 ; DARWIN-NEXT: add x9, sp, #40 ; DARWIN-NEXT: stp x29, x30, [sp, #16] ; 16-byte Folded Spill ; DARWIN-NEXT: str x9, [x8] ; DARWIN-NEXT: ldr x0, [sp, #8] ; DARWIN-NEXT: stp x1, x2, [sp, #40] ; DARWIN-NEXT: stp x3, x4, [sp, #56] ; DARWIN-NEXT: stp x5, x6, [sp, #72] ; DARWIN-NEXT: str x7, [sp, #88] ; DARWIN-NEXT: bl _other_func ; DARWIN-NEXT: ldp x29, x30, [sp, #16] ; 16-byte Folded Reload ; DARWIN-NEXT: ldr x18, [sp], #96 ; 8-byte Folded Reload ; DARWIN-NEXT: ret entry: %ap = alloca ptr, align 8 call void @llvm.va_start(ptr %ap) %ap2 = load ptr, ptr %ap, align 8 call void @other_func(ptr %ap2) ret void } declare void @other_func(ptr) local_unnamed_addr declare void @llvm.va_start(ptr) nounwind declare void @llvm.va_copy(ptr, ptr) nounwind define win64cc ptr @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 ; ; DARWIN-LABEL: f9: ; DARWIN: ; %bb.0: ; %entry ; DARWIN-NEXT: str x18, [sp, #-16]! ; 8-byte Folded Spill ; DARWIN-NEXT: add x8, sp, #8 ; DARWIN-NEXT: add x9, sp, #24 ; DARWIN-NEXT: str x9, [x8] ; DARWIN-NEXT: ldr x0, [sp, #8] ; DARWIN-NEXT: ldr x18, [sp], #16 ; 8-byte Folded Reload ; DARWIN-NEXT: ret entry: %ap = alloca ptr, align 8 call void @llvm.va_start(ptr %ap) %ap2 = load ptr, ptr %ap, align 8 ret ptr %ap2 } define win64cc ptr @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 ; ; DARWIN-LABEL: f8: ; DARWIN: ; %bb.0: ; %entry ; DARWIN-NEXT: str x18, [sp, #-16]! ; 8-byte Folded Spill ; DARWIN-NEXT: add x8, sp, #8 ; DARWIN-NEXT: add x9, sp, #16 ; DARWIN-NEXT: str x9, [x8] ; DARWIN-NEXT: ldr x0, [sp, #8] ; DARWIN-NEXT: ldr x18, [sp], #16 ; 8-byte Folded Reload ; DARWIN-NEXT: ret entry: %ap = alloca ptr, align 8 call void @llvm.va_start(ptr %ap) %ap2 = load ptr, ptr %ap, align 8 ret ptr %ap2 } define win64cc ptr @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 ; ; DARWIN-LABEL: f7: ; DARWIN: ; %bb.0: ; %entry ; DARWIN-NEXT: str x18, [sp, #-32]! ; 8-byte Folded Spill ; DARWIN-NEXT: add x8, sp, #8 ; DARWIN-NEXT: add x9, sp, #24 ; DARWIN-NEXT: str x7, [sp, #24] ; DARWIN-NEXT: str x9, [x8] ; DARWIN-NEXT: ldr x0, [sp, #8] ; DARWIN-NEXT: ldr x18, [sp], #32 ; 8-byte Folded Reload ; DARWIN-NEXT: ret entry: %ap = alloca ptr, align 8 call void @llvm.va_start(ptr %ap) %ap2 = load ptr, ptr %ap, align 8 ret ptr %ap2 }