| 1 | // REQUIRES: arm-registered-target |
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| 2 | // RUN: %clang_cc1 -triple aarch64-none-none-eabi \ |
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| 3 | // RUN: -O2 \ |
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| 4 | // RUN: -emit-llvm -o - %s | FileCheck %s |
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| 5 | |
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| 6 | extern "C" { |
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| 7 | |
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| 8 | // Base case, nothing interesting. |
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| 9 | struct S { |
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| 10 | long x, y; |
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| 11 | }; |
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| 12 | |
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| 13 | void f0(long, S); |
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| 14 | void f0m(long, long, long, long, long, S); |
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| 15 | void g0() { |
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| 16 | S s = {6, 7}; |
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| 17 | f0(1, s); |
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| 18 | f0m(1, 2, 3, 4, 5, s); |
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| 19 | } |
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| 20 | // CHECK: define void @g0 |
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| 21 | // CHECK: call void @f0(i64 1, [2 x i64] [i64 6, i64 7] |
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| 22 | // CHECK: call void @f0m{{.*}}[2 x i64] [i64 6, i64 7] |
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| 23 | // CHECK: declare void @f0(i64, [2 x i64]) |
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| 24 | // CHECK: declare void @f0m(i64, i64, i64, i64, i64, [2 x i64]) |
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| 25 | |
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| 26 | // Aligned struct, passed according to its natural alignment. |
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| 27 | struct __attribute__((aligned(16))) S16 { |
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| 28 | long x, y; |
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| 29 | } s16; |
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| 30 | |
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| 31 | void f1(long, S16); |
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| 32 | void f1m(long, long, long, long, long, S16); |
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| 33 | void g1() { |
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| 34 | S16 s = {6, 7}; |
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| 35 | f1(1, s); |
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| 36 | f1m(1, 2, 3, 4, 5, s); |
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| 37 | } |
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| 38 | // CHECK: define void @g1 |
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| 39 | // CHECK: call void @f1{{.*}}[2 x i64] [i64 6, i64 7] |
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| 40 | // CHECK: call void @f1m{{.*}}[2 x i64] [i64 6, i64 7] |
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| 41 | // CHECK: declare void @f1(i64, [2 x i64]) |
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| 42 | // CHECK: declare void @f1m(i64, i64, i64, i64, i64, [2 x i64]) |
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| 43 | |
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| 44 | // Increased natural alignment. |
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| 45 | struct SF16 { |
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| 46 | long x __attribute__((aligned(16))); |
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| 47 | long y; |
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| 48 | }; |
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| 49 | |
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| 50 | void f3(long, SF16); |
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| 51 | void f3m(long, long, long, long, long, SF16); |
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| 52 | void g3() { |
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| 53 | SF16 s = {6, 7}; |
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| 54 | f3(1, s); |
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| 55 | f3m(1, 2, 3, 4, 5, s); |
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| 56 | } |
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| 57 | // CHECK: define void @g3 |
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| 58 | // CHECK: call void @f3(i64 1, i128 129127208515966861318) |
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| 59 | // CHECK: call void @f3m(i64 1, i64 2, i64 3, i64 4, i64 5, i128 129127208515966861318) |
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| 60 | // CHECK: declare void @f3(i64, i128) |
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| 61 | // CHECK: declare void @f3m(i64, i64, i64, i64, i64, i128) |
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| 62 | |
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| 63 | |
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| 64 | // Packed structure. |
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| 65 | struct __attribute__((packed)) P { |
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| 66 | int x; |
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| 67 | long u; |
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| 68 | }; |
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| 69 | |
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| 70 | void f4(int, P); |
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| 71 | void f4m(int, int, int, int, int, P); |
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| 72 | void g4() { |
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| 73 | P s = {6, 7}; |
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| 74 | f4(1, s); |
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| 75 | f4m(1, 2, 3, 4, 5, s); |
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| 76 | } |
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| 77 | // CHECK: define void @g4() |
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| 78 | // CHECK: call void @f4(i32 1, [2 x i64] [i64 30064771078, i64 0]) |
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| 79 | // CHECK: void @f4m(i32 1, i32 2, i32 3, i32 4, i32 5, [2 x i64] [i64 30064771078, i64 0]) |
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| 80 | // CHECK: declare void @f4(i32, [2 x i64]) |
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| 81 | // CHECK: declare void @f4m(i32, i32, i32, i32, i32, [2 x i64]) |
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| 82 | |
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| 83 | |
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| 84 | // Packed structure, overaligned, same as above. |
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| 85 | struct __attribute__((packed, aligned(16))) P16 { |
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| 86 | int x; |
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| 87 | long y; |
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| 88 | }; |
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| 89 | |
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| 90 | void f5(int, P16); |
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| 91 | void f5m(int, int, int, int, int, P16); |
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| 92 | void g5() { |
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| 93 | P16 s = {6, 7}; |
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| 94 | f5(1, s); |
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| 95 | f5m(1, 2, 3, 4, 5, s); |
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| 96 | } |
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| 97 | // CHECK: define void @g5() |
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| 98 | // CHECK: call void @f5(i32 1, [2 x i64] [i64 30064771078, i64 0]) |
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| 99 | // CHECK: void @f5m(i32 1, i32 2, i32 3, i32 4, i32 5, [2 x i64] [i64 30064771078, i64 0]) |
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| 100 | // CHECK: declare void @f5(i32, [2 x i64]) |
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| 101 | // CHECK: declare void @f5m(i32, i32, i32, i32, i32, [2 x i64]) |
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| 102 | |
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| 103 | } |
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| 104 | |
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