forked from OSchip/llvm-project
142 lines
4.6 KiB
C++
142 lines
4.6 KiB
C++
// REQUIRES: arm-registered-target
|
|
// RUN: %clang_cc1 -triple arm-none-none-eabi \
|
|
// RUN: -O2 \
|
|
// RUN: -target-cpu cortex-a8 \
|
|
// RUN: -emit-llvm -o - %s | FileCheck %s
|
|
|
|
extern "C" {
|
|
|
|
// Base case, nothing interesting.
|
|
struct S {
|
|
int x, y;
|
|
};
|
|
|
|
void f0(int, S);
|
|
void f0m(int, int, int, int, int, S);
|
|
void g0() {
|
|
S s = {6, 7};
|
|
f0(1, s);
|
|
f0m(1, 2, 3, 4, 5, s);
|
|
}
|
|
// CHECK: define{{.*}} void @g0
|
|
// CHECK: call void @f0(i32 noundef 1, [2 x i32] [i32 6, i32 7]
|
|
// CHECK: call void @f0m(i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 4, i32 noundef 5, [2 x i32] [i32 6, i32 7]
|
|
// CHECK: declare void @f0(i32 noundef, [2 x i32])
|
|
// CHECK: declare void @f0m(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, [2 x i32])
|
|
|
|
// Aligned struct, passed according to its natural alignment.
|
|
struct __attribute__((aligned(8))) S8 {
|
|
int x, y;
|
|
} s8;
|
|
|
|
void f1(int, S8);
|
|
void f1m(int, int, int, int, int, S8);
|
|
void g1() {
|
|
S8 s = {6, 7};
|
|
f1(1, s);
|
|
f1m(1, 2, 3, 4, 5, s);
|
|
}
|
|
// CHECK: define{{.*}} void @g1
|
|
// CHECK: call void @f1(i32 noundef 1, [2 x i32] [i32 6, i32 7]
|
|
// CHECK: call void @f1m(i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 4, i32 noundef 5, [2 x i32] [i32 6, i32 7]
|
|
// CHECK: declare void @f1(i32 noundef, [2 x i32])
|
|
// CHECK: declare void @f1m(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, [2 x i32])
|
|
|
|
// Aligned struct, passed according to its natural alignment.
|
|
struct alignas(16) S16 {
|
|
int x, y;
|
|
};
|
|
|
|
extern "C" void f2(int, S16);
|
|
extern "C" void f2m(int, int, int, int, int, S16);
|
|
|
|
void g2() {
|
|
S16 s = {6, 7};
|
|
f2(1, s);
|
|
f2m(1, 2, 3, 4, 5, s);
|
|
}
|
|
// CHECK: define{{.*}} void @g2
|
|
// CHECK: call void @f2(i32 noundef 1, [4 x i32] [i32 6, i32 7
|
|
// CHECK: call void @f2m(i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 4, i32 noundef 5, [4 x i32] [i32 6, i32 7
|
|
// CHECK: declare void @f2(i32 noundef, [4 x i32])
|
|
// CHECK: declare void @f2m(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, [4 x i32])
|
|
|
|
// Increased natural alignment.
|
|
struct SF8 {
|
|
int x __attribute__((aligned(8)));
|
|
int y;
|
|
};
|
|
|
|
void f3(int, SF8);
|
|
void f3m(int, int, int, int, int, SF8);
|
|
void g3() {
|
|
SF8 s = {6, 7};
|
|
f3(1, s);
|
|
f3m(1, 2, 3, 4, 5, s);
|
|
}
|
|
// CHECK: define{{.*}} void @g3
|
|
// CHECK: call void @f3(i32 noundef 1, [1 x i64] [i64 30064771078]
|
|
// CHECK: call void @f3m(i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 4, i32 noundef 5, [1 x i64] [i64 30064771078]
|
|
// CHECK: declare void @f3(i32 noundef, [1 x i64])
|
|
// CHECK: declare void @f3m(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, [1 x i64])
|
|
|
|
// Increased natural alignment, capped to 8 though.
|
|
struct SF16 {
|
|
int x;
|
|
int y alignas(16);
|
|
int z, a, b, c, d, e, f, g, h, i, j, k;
|
|
};
|
|
|
|
void f4(int, SF16);
|
|
void f4m(int, int, int, int, int, SF16);
|
|
void g4() {
|
|
SF16 s = {6, 7};
|
|
f4(1, s);
|
|
f4m(1, 2, 3, 4, 5, s);
|
|
}
|
|
// CHECK: define{{.*}} void @g4
|
|
// CHECK: call void @f4(i32 noundef 1, %struct.SF16* noundef nonnull byval(%struct.SF16) align 8
|
|
// CHECK: call void @f4m(i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 4, i32 noundef 5, %struct.SF16* noundef nonnull byval(%struct.SF16) align 8
|
|
// CHECK: declare void @f4(i32 noundef, %struct.SF16* noundef byval(%struct.SF16) align 8)
|
|
// CHECK: declare void @f4m(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, %struct.SF16* noundef byval(%struct.SF16) align 8)
|
|
|
|
// Packed structure.
|
|
struct __attribute__((packed)) P {
|
|
int x;
|
|
long long u;
|
|
};
|
|
|
|
void f5(int, P);
|
|
void f5m(int, int, int, int, int, P);
|
|
void g5() {
|
|
P s = {6, 7};
|
|
f5(1, s);
|
|
f5m(1, 2, 3, 4, 5, s);
|
|
}
|
|
// CHECK: define{{.*}} void @g5
|
|
// CHECK: call void @f5(i32 noundef 1, [3 x i32] [i32 6, i32 7, i32 0])
|
|
// CHECK: call void @f5m(i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 4, i32 noundef 5, [3 x i32] [i32 6, i32 7, i32 0])
|
|
// CHECK: declare void @f5(i32 noundef, [3 x i32])
|
|
// CHECK: declare void @f5m(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, [3 x i32])
|
|
|
|
|
|
// Packed and aligned, alignement causes padding at the end.
|
|
struct __attribute__((packed, aligned(8))) P8 {
|
|
int x;
|
|
long long u;
|
|
};
|
|
|
|
void f6(int, P8);
|
|
void f6m(int, int, int, int, int, P8);
|
|
void g6() {
|
|
P8 s = {6, 7};
|
|
f6(1, s);
|
|
f6m(1, 2, 3, 4, 5, s);
|
|
}
|
|
// CHECK: define{{.*}} void @g6
|
|
// CHECK: call void @f6(i32 noundef 1, [4 x i32] [i32 6, i32 7, i32 0, i32 0])
|
|
// CHECK: call void @f6m(i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 4, i32 noundef 5, [4 x i32] [i32 6, i32 7, i32 0, i32 0])
|
|
// CHECK: declare void @f6(i32 noundef, [4 x i32])
|
|
// CHECK: declare void @f6m(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, [4 x i32])
|
|
}
|