forked from OSchip/llvm-project
50 lines
1.1 KiB
LLVM
50 lines
1.1 KiB
LLVM
; RUN: llc -mtriple=arm64_32-apple-ios7.0 %s -o - | FileCheck %s
|
|
|
|
define void @pass_pointer(i64 %in) {
|
|
; CHECK-LABEL: pass_pointer:
|
|
; CHECK: and x0, x0, #0xffffffff
|
|
; CHECK: bl _take_pointer
|
|
|
|
%in32 = trunc i64 %in to i32
|
|
%ptr = inttoptr i32 %in32 to i8*
|
|
call i64 @take_pointer(i8* %ptr)
|
|
ret void
|
|
}
|
|
|
|
define i64 @take_pointer(i8* %ptr) nounwind {
|
|
; CHECK-LABEL: take_pointer:
|
|
; CHECK-NEXT: %bb.0
|
|
; CHECK-NEXT: ret
|
|
|
|
%val = ptrtoint i8* %ptr to i32
|
|
%res = zext i32 %val to i64
|
|
ret i64 %res
|
|
}
|
|
|
|
define i32 @callee_ptr_stack_slot([8 x i64], i8*, i32 %val) {
|
|
; CHECK-LABEL: callee_ptr_stack_slot:
|
|
; CHECK: ldr w0, [sp, #4]
|
|
|
|
ret i32 %val
|
|
}
|
|
|
|
define void @caller_ptr_stack_slot(i8* %ptr) {
|
|
; CHECK-LABEL: caller_ptr_stack_slot:
|
|
; CHECK-DAG: mov [[VAL:w[0-9]]], #42
|
|
; CHECK: stp w0, [[VAL]], [sp]
|
|
|
|
call i32 @callee_ptr_stack_slot([8 x i64] undef, i8* %ptr, i32 42)
|
|
ret void
|
|
}
|
|
|
|
define i8* @return_ptr(i64 %in, i64 %r) {
|
|
; CHECK-LABEL: return_ptr:
|
|
; CHECK: sdiv [[VAL64:x[0-9]+]], x0, x1
|
|
; CHECK: and x0, [[VAL64]], #0xffffffff
|
|
|
|
%sum = sdiv i64 %in, %r
|
|
%sum32 = trunc i64 %sum to i32
|
|
%res = inttoptr i32 %sum32 to i8*
|
|
ret i8* %res
|
|
}
|