xref: /llvm-project/llvm/test/CodeGen/ARM/nest-register.ll (revision bed1c7f061aa12417aa081e334afdba45767b938)
1; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s
2
3; Tests that the 'nest' parameter attribute causes the relevant parameter to be
4; passed in the right register.
5
6define ptr @nest_receiver(ptr nest %arg) nounwind {
7; CHECK-LABEL: nest_receiver:
8; CHECK: @ %bb.0:
9; CHECK-NEXT: mov r0, r12
10; CHECK-NEXT: mov pc, lr
11        ret ptr %arg
12}
13
14define ptr @nest_caller(ptr %arg) nounwind {
15; CHECK-LABEL: nest_caller:
16; CHECK: mov r12, r0
17; CHECK-NEXT: bl nest_receiver
18; CHECK: mov pc, lr
19        %result = call ptr @nest_receiver(ptr nest %arg)
20        ret ptr %result
21}
22