| Akira Hatanaka | 4055cfc | 2013-01-24 21:47:33 +0000 | [diff] [blame^] | 1 | // RUN: %clang -target mipsel-unknown-linux -O3 -S -o - -emit-llvm %s | FileCheck %s -check-prefix=O32 |
| 2 | // RUN: %clang -target mips64el-unknown-linux -O3 -S -mabi=n64 -o - -emit-llvm %s | FileCheck %s -check-prefix=N64 |
| Akira Hatanaka | f0cc208 | 2012-01-07 00:25:33 +0000 | [diff] [blame] | 3 | |
| 4 | typedef struct { |
| 5 | double d; |
| 6 | long double ld; |
| 7 | } S0; |
| 8 | |
| Akira Hatanaka | a33fd39 | 2012-01-09 19:31:25 +0000 | [diff] [blame] | 9 | // Insert padding to ensure arguments of type S0 are aligned to 16-byte boundaries. |
| Akira Hatanaka | f0cc208 | 2012-01-07 00:25:33 +0000 | [diff] [blame] | 10 | |
| Akira Hatanaka | 4055cfc | 2013-01-24 21:47:33 +0000 | [diff] [blame^] | 11 | // N64: define void @foo1(i32 %a0, i64, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 %b, i64, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) |
| 12 | // N64: tail call void @foo2(i32 1, i32 2, i32 %a0, i64 undef, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 3, i64 undef, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) |
| 13 | // N64: declare void @foo2(i32, i32, i32, i64, double, i64, i64, i64, double, i64, i64, i64, i32, i64, double, i64, i64, i64) |
| Akira Hatanaka | f0cc208 | 2012-01-07 00:25:33 +0000 | [diff] [blame] | 14 | |
| 15 | extern void foo2(int, int, int, S0, S0, int, S0); |
| 16 | |
| 17 | void foo1(int a0, S0 a1, S0 a2, int b, S0 a3) { |
| 18 | foo2(1, 2, a0, a1, a2, 3, a3); |
| 19 | } |
| 20 | |
| Akira Hatanaka | a33fd39 | 2012-01-09 19:31:25 +0000 | [diff] [blame] | 21 | // Insert padding before long double argument. |
| 22 | // |
| Akira Hatanaka | 4055cfc | 2013-01-24 21:47:33 +0000 | [diff] [blame^] | 23 | // N64: define void @foo3(i32 %a0, i64, fp128 %a1) |
| 24 | // N64: tail call void @foo4(i32 1, i32 2, i32 %a0, i64 undef, fp128 %a1) |
| 25 | // N64: declare void @foo4(i32, i32, i32, i64, fp128) |
| Akira Hatanaka | a33fd39 | 2012-01-09 19:31:25 +0000 | [diff] [blame] | 26 | |
| 27 | extern void foo4(int, int, int, long double); |
| 28 | |
| 29 | void foo3(int a0, long double a1) { |
| 30 | foo4(1, 2, a0, a1); |
| 31 | } |
| 32 | |
| Akira Hatanaka | cc66254 | 2012-01-12 01:10:09 +0000 | [diff] [blame] | 33 | // Insert padding after hidden argument. |
| 34 | // |
| Akira Hatanaka | 4055cfc | 2013-01-24 21:47:33 +0000 | [diff] [blame^] | 35 | // N64: define void @foo5(%struct.S0* noalias sret %agg.result, i64, fp128 %a0) |
| 36 | // N64: call void @foo6(%struct.S0* sret %agg.result, i32 1, i32 2, i64 undef, fp128 %a0) |
| 37 | // N64: declare void @foo6(%struct.S0* sret, i32, i32, i64, fp128) |
| Akira Hatanaka | cc66254 | 2012-01-12 01:10:09 +0000 | [diff] [blame] | 38 | |
| 39 | extern S0 foo6(int, int, long double); |
| 40 | |
| 41 | S0 foo5(long double a0) { |
| Akira Hatanaka | e9c8760 | 2012-01-12 01:27:24 +0000 | [diff] [blame] | 42 | return foo6(1, 2, a0); |
| Akira Hatanaka | cc66254 | 2012-01-12 01:10:09 +0000 | [diff] [blame] | 43 | } |
| 44 | |
| Akira Hatanaka | 4055cfc | 2013-01-24 21:47:33 +0000 | [diff] [blame^] | 45 | // Do not insert padding if ABI is O32. |
| 46 | // |
| 47 | // O32: define void @foo7(float %a0, double %a1) |
| 48 | // O32: declare void @foo8(float, double) |
| 49 | |
| 50 | extern void foo8(float, double); |
| 51 | |
| 52 | void foo7(float a0, double a1) { |
| 53 | foo8(a0 + 1.0f, a1 + 2.0); |
| 54 | } |
| 55 | |