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1; RUN: llc -mtriple=arm64_32-apple-ios %s -o - | FileCheck %s2 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 void10}11 12define void @test_va_start(i32, ...) {13; CHECK-LABEL: test_va_start14; CHECK: add x[[LIST:[0-9]+]], sp, #1615; CHECK: str w[[LIST]],16 %slot = alloca ptr, align 417 call void @llvm.va_start(ptr %slot)18 ret void19}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, #2024; CHECK: str w[[LIST]],25 %slot = alloca ptr, align 426 call void @llvm.va_start(ptr %slot)27 ret void28}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]], #434; CHECK: str [[NEXTLOC]], [x0]35; CHECK: ldr w0, [x[[LOC]]]36 %res = va_arg ptr %list, ptr37 ret ptr %res38}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]], #444; CHECK: str [[NEXTLOC]], [x0]45; CHECK: ldr w[[VAARG:[0-9]+]], [x[[LOC]]]46; CHECK: csel x0, x[[VAARG]], xzr47 %tmp = va_arg ptr %list, ptr48 %res = select i1 %tst, ptr %tmp, ptr null49 ret ptr %res50}51 52declare void @llvm.va_start(ptr) 53 54declare void @llvm.va_copy(ptr, ptr)55