104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
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// REQUIRES: arm-registered-target
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// RUN: %clang_cc1 -triple aarch64-none-none-eabi \
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// RUN: -O2 \
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// RUN: -emit-llvm -o - %s | FileCheck %s
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extern "C" {
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// Base case, nothing interesting.
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struct S {
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long x, y;
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};
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void f0(long, S);
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void f0m(long, long, long, long, long, S);
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void g0() {
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S s = {6, 7};
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f0(1, s);
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f0m(1, 2, 3, 4, 5, s);
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}
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// CHECK: define{{.*}} void @g0
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// CHECK: call void @f0(i64 1, [2 x i64] [i64 6, i64 7]
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// CHECK: call void @f0m{{.*}}[2 x i64] [i64 6, i64 7]
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// CHECK: declare void @f0(i64, [2 x i64])
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// CHECK: declare void @f0m(i64, i64, i64, i64, i64, [2 x i64])
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// Aligned struct, passed according to its natural alignment.
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struct __attribute__((aligned(16))) S16 {
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long x, y;
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} s16;
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void f1(long, S16);
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void f1m(long, long, long, long, long, S16);
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void g1() {
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S16 s = {6, 7};
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f1(1, s);
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f1m(1, 2, 3, 4, 5, s);
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}
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// CHECK: define{{.*}} void @g1
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// CHECK: call void @f1{{.*}}[2 x i64] [i64 6, i64 7]
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// CHECK: call void @f1m{{.*}}[2 x i64] [i64 6, i64 7]
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// CHECK: declare void @f1(i64, [2 x i64])
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// CHECK: declare void @f1m(i64, i64, i64, i64, i64, [2 x i64])
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// Increased natural alignment.
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struct SF16 {
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long x __attribute__((aligned(16)));
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long y;
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};
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void f3(long, SF16);
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void f3m(long, long, long, long, long, SF16);
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void g3() {
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SF16 s = {6, 7};
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f3(1, s);
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f3m(1, 2, 3, 4, 5, s);
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}
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// CHECK: define{{.*}} void @g3
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// CHECK: call void @f3(i64 1, i128 129127208515966861318)
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// CHECK: call void @f3m(i64 1, i64 2, i64 3, i64 4, i64 5, i128 129127208515966861318)
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// CHECK: declare void @f3(i64, i128)
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// CHECK: declare void @f3m(i64, i64, i64, i64, i64, i128)
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// Packed structure.
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struct __attribute__((packed)) P {
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int x;
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long u;
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};
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void f4(int, P);
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void f4m(int, int, int, int, int, P);
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void g4() {
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P s = {6, 7};
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f4(1, s);
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f4m(1, 2, 3, 4, 5, s);
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}
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// CHECK: define{{.*}} void @g4()
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// CHECK: call void @f4(i32 1, [2 x i64] [i64 30064771078, i64 0])
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// CHECK: void @f4m(i32 1, i32 2, i32 3, i32 4, i32 5, [2 x i64] [i64 30064771078, i64 0])
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// CHECK: declare void @f4(i32, [2 x i64])
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// CHECK: declare void @f4m(i32, i32, i32, i32, i32, [2 x i64])
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// Packed structure, overaligned, same as above.
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struct __attribute__((packed, aligned(16))) P16 {
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int x;
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long y;
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};
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void f5(int, P16);
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void f5m(int, int, int, int, int, P16);
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void g5() {
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P16 s = {6, 7};
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f5(1, s);
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f5m(1, 2, 3, 4, 5, s);
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}
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// CHECK: define{{.*}} void @g5()
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// CHECK: call void @f5(i32 1, [2 x i64] [i64 30064771078, i64 0])
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// CHECK: void @f5m(i32 1, i32 2, i32 3, i32 4, i32 5, [2 x i64] [i64 30064771078, i64 0])
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// CHECK: declare void @f5(i32, [2 x i64])
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// CHECK: declare void @f5m(i32, i32, i32, i32, i32, [2 x i64])
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}
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