xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/arm-pnaclcall.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1 // RUN: %clang_cc1 -triple armv7-unknown-nacl-gnueabi \
2 // RUN:   -ffreestanding -mfloat-abi hard -target-cpu cortex-a8 \
3 // RUN:   -emit-llvm -w -o - %s | FileCheck %s
4 
5 // Test that functions with pnaclcall attribute generate portable bitcode
6 // like the le32 arch target
7 
8 typedef struct {
9   int a;
10   int b;
11 } s1;
12 // CHECK-LABEL: define i32 @f48(%struct.s1* byval %s)
f48(s1 s)13 int __attribute__((pnaclcall)) f48(s1 s) { return s.a; }
14 
15 // CHECK-LABEL: define void @f49(%struct.s1* noalias sret %agg.result)
f49()16 s1 __attribute__((pnaclcall)) f49() { s1 s; s.a = s.b = 1; return s; }
17 
18 union simple_union {
19   int a;
20   char b;
21 };
22 // Unions should be passed as byval structs
23 // CHECK-LABEL: define void @f50(%union.simple_union* byval %s)
f50(union simple_union s)24 void __attribute__((pnaclcall)) f50(union simple_union s) {}
25 
26 typedef struct {
27   int b4 : 4;
28   int b3 : 3;
29   int b8 : 8;
30 } bitfield1;
31 // Bitfields should be passed as byval structs
32 // CHECK-LABEL: define void @f51(%struct.bitfield1* byval %bf1)
f51(bitfield1 bf1)33 void __attribute__((pnaclcall)) f51(bitfield1 bf1) {}
34