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; RUN: llc -mtriple=arm64_32-apple-ios %s -o - | FileCheck %s
define void @test_va_copy(ptr %dst, ptr %src) {
; CHECK-LABEL: test_va_copy:
; CHECK: ldr [[PTR:w[0-9]+]], [x1]
; CHECK: str [[PTR]], [x0]
call void @llvm.va_copy(ptr %dst, ptr %src)
ret void
}
define void @test_va_start(i32, ...) {
; CHECK-LABEL: test_va_start
; CHECK: add x[[LIST:[0-9]+]], sp, #16
; CHECK: str w[[LIST]],
%slot = alloca ptr, align 4
call void @llvm.va_start(ptr %slot)
ret void
}
define void @test_va_start_odd([8 x i64], i32, ...) {
; CHECK-LABEL: test_va_start_odd:
; CHECK: add x[[LIST:[0-9]+]], sp, #20
; CHECK: str w[[LIST]],
%slot = alloca ptr, align 4
call void @llvm.va_start(ptr %slot)
ret void
}
define ptr @test_va_arg(ptr %list) {
; CHECK-LABEL: test_va_arg:
; CHECK: ldr w[[LOC:[0-9]+]], [x0]
; CHECK: add [[NEXTLOC:w[0-9]+]], w[[LOC]], #4
; CHECK: str [[NEXTLOC]], [x0]
; CHECK: ldr w0, [x[[LOC]]]
%res = va_arg ptr %list, ptr
ret ptr %res
}
define ptr @really_test_va_arg(ptr %list, i1 %tst) {
; CHECK-LABEL: really_test_va_arg:
; CHECK: ldr w[[LOC:[0-9]+]], [x0]
; CHECK: add [[NEXTLOC:w[0-9]+]], w[[LOC]], #4
; CHECK: str [[NEXTLOC]], [x0]
; CHECK: ldr w[[VAARG:[0-9]+]], [x[[LOC]]]
; CHECK: csel x0, x[[VAARG]], xzr
%tmp = va_arg ptr %list, ptr
%res = select i1 %tst, ptr %tmp, ptr null
ret ptr %res
}
declare void @llvm.va_start(ptr)
declare void @llvm.va_copy(ptr, ptr)
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