llvm-project/clang/test/CodeGen/arm-pnaclcall.c

34 lines
996 B
C

// RUN: %clang_cc1 -triple armv7-unknown-nacl-gnueabi \
// RUN: -ffreestanding -mfloat-abi hard -target-cpu cortex-a8 \
// RUN: -emit-llvm -w -o - %s | FileCheck %s
// Test that functions with pnaclcall attribute generate portable bitcode
// like the le32 arch target
typedef struct {
int a;
int b;
} s1;
// CHECK: define i32 @f48(%struct.s1* byval %s)
int __attribute__((pnaclcall)) f48(s1 s) { return s.a; }
// CHECK: define void @f49(%struct.s1* noalias sret %agg.result)
s1 __attribute__((pnaclcall)) f49() { s1 s; s.a = s.b = 1; return s; }
union simple_union {
int a;
char b;
};
// Unions should be passed as byval structs
// CHECK: define void @f50(%union.simple_union* byval %s)
void __attribute__((pnaclcall)) f50(union simple_union s) {}
typedef struct {
int b4 : 4;
int b3 : 3;
int b8 : 8;
} bitfield1;
// Bitfields should be passed as byval structs
// CHECK: define void @f51(%struct.bitfield1* byval %bf1)
void __attribute__((pnaclcall)) f51(bitfield1 bf1) {}