1; RUN: llc -mtriple=arm64_32-apple-ios %s -o - | FileCheck %s 2 3define void @test_va_copy(ptr %dst, ptr %src) { 4; CHECK-LABEL: test_va_copy: 5; CHECK: ldr [[PTR:w[0-9]+]], [x1] 6; CHECK: str [[PTR]], [x0] 7 8 call void @llvm.va_copy(ptr %dst, ptr %src) 9 ret void 10} 11 12define void @test_va_start(i32, ...) { 13; CHECK-LABEL: test_va_start 14; CHECK: add x[[LIST:[0-9]+]], sp, #16 15; CHECK: str w[[LIST]], 16 %slot = alloca ptr, align 4 17 call void @llvm.va_start(ptr %slot) 18 ret void 19} 20 21define void @test_va_start_odd([8 x i64], i32, ...) { 22; CHECK-LABEL: test_va_start_odd: 23; CHECK: add x[[LIST:[0-9]+]], sp, #20 24; CHECK: str w[[LIST]], 25 %slot = alloca ptr, align 4 26 call void @llvm.va_start(ptr %slot) 27 ret void 28} 29 30define ptr @test_va_arg(ptr %list) { 31; CHECK-LABEL: test_va_arg: 32; CHECK: ldr w[[LOC:[0-9]+]], [x0] 33; CHECK: add [[NEXTLOC:w[0-9]+]], w[[LOC]], #4 34; CHECK: str [[NEXTLOC]], [x0] 35; CHECK: ldr w0, [x[[LOC]]] 36 %res = va_arg ptr %list, ptr 37 ret ptr %res 38} 39 40define ptr @really_test_va_arg(ptr %list, i1 %tst) { 41; CHECK-LABEL: really_test_va_arg: 42; CHECK: ldr w[[LOC:[0-9]+]], [x0] 43; CHECK: add [[NEXTLOC:w[0-9]+]], w[[LOC]], #4 44; CHECK: str [[NEXTLOC]], [x0] 45; CHECK: ldr w[[VAARG:[0-9]+]], [x[[LOC]]] 46; CHECK: csel x0, x[[VAARG]], xzr 47 %tmp = va_arg ptr %list, ptr 48 %res = select i1 %tst, ptr %tmp, ptr null 49 ret ptr %res 50} 51 52declare void @llvm.va_start(ptr) 53 54declare void @llvm.va_copy(ptr, ptr) 55