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-rw-r--r--test/CodeGen/x86-vec-struct-packing.c227
1 files changed, 227 insertions, 0 deletions
diff --git a/test/CodeGen/x86-vec-struct-packing.c b/test/CodeGen/x86-vec-struct-packing.c
new file mode 100644
index 0000000000..01458d131e
--- /dev/null
+++ b/test/CodeGen/x86-vec-struct-packing.c
@@ -0,0 +1,227 @@
+// RUN: %clang_cc1 -ffreestanding -emit-llvm-only -triple x86_64-windows-coff -fdump-record-layouts %s | FileCheck %s --check-prefix=CHECK-MS
+// RUN: %clang_cc1 -ffreestanding -emit-llvm-only -triple x86_64-apple-darwin -fdump-record-layouts %s | FileCheck %s --check-prefix=CHECK-NOTMS
+#include <x86intrin.h>
+
+#pragma pack(1)
+
+struct s_m64 {
+ int a;
+ __m64 b;
+};
+typedef struct s_m64 m64;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m64) == 16) - 1];
+#else
+static int a1[(sizeof(m64) == 12) - 1];
+#endif
+
+struct s_m128 {
+ int a;
+ __m128 b;
+};
+typedef struct s_m128 m128;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m128) == 32) - 1];
+#else
+static int a1[(sizeof(m128) == 20) - 1];
+#endif
+
+struct s_m128i {
+ int a;
+ __m128i b;
+};
+typedef struct s_m128i m128i;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m128i) == 32) - 1];
+#else
+static int a1[(sizeof(m128i) == 20) - 1];
+#endif
+
+struct s_m128d {
+ int a;
+ __m128d b;
+};
+typedef struct s_m128d m128d;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m128d) == 32) - 1];
+#else
+static int a1[(sizeof(m128d) == 20) - 1];
+#endif
+
+struct s_m256 {
+ int a;
+ __m256 b;
+};
+typedef struct s_m256 m256;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m256) == 64) - 1];
+#else
+static int a1[(sizeof(m256) == 36) - 1];
+#endif
+
+struct s_m256i {
+ int a;
+ __m256i b;
+};
+typedef struct s_m256i m256i;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m256i) == 64) - 1];
+#else
+static int a1[(sizeof(m256i) == 36) - 1];
+#endif
+
+struct s_m256d {
+ int a;
+ __m256d b;
+};
+typedef struct s_m256d m256d;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m256d) == 64) - 1];
+#else
+static int a1[(sizeof(m256d) == 36) - 1];
+#endif
+
+struct s_m512 {
+ int a;
+ __m512 b;
+};
+typedef struct s_m512 m512;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m512) == 128) - 1];
+#else
+static int a1[(sizeof(m512) == 68) - 1];
+#endif
+
+struct s_m512i {
+ int a;
+ __m512i b;
+};
+typedef struct s_m512i m512i;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m512i) == 128) - 1];
+#else
+static int a1[(sizeof(m512i) == 68) - 1];
+#endif
+
+struct s_m512d {
+ int a;
+ __m512d b;
+};
+typedef struct s_m512d m512d;
+
+#if defined(_WIN32)
+static int a1[(sizeof(m512d) == 128) - 1];
+#else
+static int a1[(sizeof(m512d) == 68) - 1];
+#endif
+
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m64
+// CHECK-MS: 0 | int a
+// CHECK-MS: 8 | __m64 b
+// CHECK-MS: | [sizeof=16, align=8]
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m128
+// CHECK-MS: 0 | int a
+// CHECK-MS: 16 | __m128 b
+// CHECK-MS: | [sizeof=32, align=16]
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m128i
+// CHECK-MS: 0 | int a
+// CHECK-MS: 16 | __m128i b
+// CHECK-MS: | [sizeof=32, align=16]
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m128d
+// CHECK-MS: 0 | int a
+// CHECK-MS: 16 | __m128d b
+// CHECK-MS: | [sizeof=32, align=16]
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m256
+// CHECK-MS: 0 | int a
+// CHECK-MS: 32 | __m256 b
+// CHECK-MS: | [sizeof=64, align=32]
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m256i
+// CHECK-MS: 0 | int a
+// CHECK-MS: 32 | __m256i b
+// CHECK-MS: | [sizeof=64, align=32]
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m256d
+// CHECK-MS: 0 | int a
+// CHECK-MS: 32 | __m256d b
+// CHECK-MS: | [sizeof=64, align=32]
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m512
+// CHECK-MS: 0 | int a
+// CHECK-MS: 64 | __m512 b
+// CHECK-MS: | [sizeof=128, align=64]
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m512i
+// CHECK-MS: 0 | int a
+// CHECK-MS: 64 | __m512i b
+// CHECK-MS: | [sizeof=128, align=64]
+// CHECK-MS: *** Dumping AST Record Layout
+// CHECK-MS: 0 | struct s_m512d
+// CHECK-MS: 0 | int a
+// CHECK-MS: 64 | __m512d b
+// CHECK-MS: | [sizeof=128, align=64]
+
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m64
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m64 b
+// CHECK-NOTMS: | [sizeof=12, align=1]
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m128
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m128 b
+// CHECK-NOTMS: | [sizeof=20, align=1]
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m128i
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m128i b
+// CHECK-NOTMS: | [sizeof=20, align=1]
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m128d
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m128d b
+// CHECK-NOTMS: | [sizeof=20, align=1]
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m256
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m256 b
+// CHECK-NOTMS: | [sizeof=36, align=1]
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m256i
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m256i b
+// CHECK-NOTMS: | [sizeof=36, align=1]
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m256d
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m256d b
+// CHECK-NOTMS: | [sizeof=36, align=1]
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m512
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m512 b
+// CHECK-NOTMS: | [sizeof=68, align=1]
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m512i
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m512i b
+// CHECK-NOTMS: | [sizeof=68, align=1]
+// CHECK-NOTMS: *** Dumping AST Record Layout
+// CHECK-NOTMS: 0 | struct s_m512d
+// CHECK-NOTMS: 0 | int a
+// CHECK-NOTMS: 4 | __m512d b
+// CHECK-NOTMS: | [sizeof=68, align=1]
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 19:02:23 +0000