CellSPU: Add new directory under tests/CodeGen/CellSPU to retain tests that

aren't part of the test suite but are generally useful nonetheless, and can
be expanded later to test the backend against the actual Cell SPU system.

There's basically no other good place to put this code, so put it here for
the time being.

- vecoperations.c: Vector shuffles for all supported vector types, tests
  for v16i8 add and multiply.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60566 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 184 insertions, 0 deletions

diff --git a/test/CodeGen/CellSPU/useful-harnesses/README.txt b/test/CodeGen/CellSPU/useful-harnesses/README.txt
new file mode 100644
index 0000000000..d87b3989e4
--- /dev/null
+++ b/test/CodeGen/CellSPU/useful-harnesses/README.txt
@@ -0,0 +1,5 @@
+This directory contains code that's not part of the DejaGNU test suite,
+but is generally useful as various test harnesses.
+
+vecoperations.c: Various vector operation sanity checks, e.g., shuffles,
+  8-bit vector add and multiply.
diff --git a/test/CodeGen/CellSPU/useful-harnesses/vecoperations.c b/test/CodeGen/CellSPU/useful-harnesses/vecoperations.c
new file mode 100644
index 0000000000..c4c86e3763
--- /dev/null
+++ b/test/CodeGen/CellSPU/useful-harnesses/vecoperations.c
@@ -0,0 +1,179 @@
+#include <stdio.h>
+
+typedef unsigned char v16i8 __attribute__((ext_vector_type(16))); 
+typedef short         v8i16 __attribute__((ext_vector_type(16))); 
+typedef int           v4i32 __attribute__((ext_vector_type(4))); 
+typedef float         v4f32 __attribute__((ext_vector_type(4))); 
+typedef long long     v2i64 __attribute__((ext_vector_type(2))); 
+typedef double        v2f64 __attribute__((ext_vector_type(2))); 
+
+void print_v16i8(const char *str, const v16i8 v) {
+  union {
+    unsigned char elts[16];
+    v16i8 vec;
+  } tv;
+  tv.vec = v;
+  printf("%s = { %hhu, %hhu, %hhu, %hhu, %hhu, %hhu, %hhu, "
+                "%hhu, %hhu, %hhu, %hhu, %hhu, %hhu, %hhu, "
+		"%hhu, %hhu }\n",
+	str, tv.elts[0], tv.elts[1], tv.elts[2], tv.elts[3], tv.elts[4], tv.elts[5],
+	tv.elts[6], tv.elts[7], tv.elts[8], tv.elts[9], tv.elts[10], tv.elts[11],
+	tv.elts[12], tv.elts[13], tv.elts[14], tv.elts[15]);
+}
+
+void print_v16i8_hex(const char *str, const v16i8 v) {
+  union {
+    unsigned char elts[16];
+    v16i8 vec;
+  } tv;
+  tv.vec = v;
+  printf("%s = { 0x%02hhx, 0x%02hhx, 0x%02hhx, 0x%02hhx, 0x%02hhx, 0x%02hhx, 0x%02hhx, "
+                "0x%02hhx, 0x%02hhx, 0x%02hhx, 0x%02hhx, 0x%02hhx, 0x%02hhx, 0x%02hhx, "
+		"0x%02hhx, 0x%02hhx }\n",
+	str, tv.elts[0], tv.elts[1], tv.elts[2], tv.elts[3], tv.elts[4], tv.elts[5],
+	tv.elts[6], tv.elts[7], tv.elts[8], tv.elts[9], tv.elts[10], tv.elts[11],
+	tv.elts[12], tv.elts[13], tv.elts[14], tv.elts[15]);
+}
+
+void print_v8i16_hex(const char *str, v8i16 v) {
+  union {
+    short elts[8];
+    v8i16 vec;
+  } tv;
+  tv.vec = v;
+  printf("%s = { 0x%04hx, 0x%04hx, 0x%04hx, 0x%04hx, 0x%04hx, "
+                "0x%04hx, 0x%04hx, 0x%04hx }\n",
+	str, tv.elts[0], tv.elts[1], tv.elts[2], tv.elts[3], tv.elts[4],
+	tv.elts[5], tv.elts[6], tv.elts[7]);
+}
+
+void print_v4i32(const char *str, v4i32 v) {
+  printf("%s = { %d, %d, %d, %d }\n", str, v.x, v.y, v.z, v.w);
+}
+
+void print_v4f32(const char *str, v4f32 v) {
+  printf("%s = { %f, %f, %f, %f }\n", str, v.x, v.y, v.z, v.w);
+}
+
+void print_v2i64(const char *str, v2i64 v) {
+  printf("%s = { %lld, %lld }\n", str, v.x, v.y);
+}
+
+void print_v2f64(const char *str, v2f64 v) {
+  printf("%s = { %g, %g }\n", str, v.x, v.y);
+}
+
+/*----------------------------------------------------------------------*/
+
+v16i8 v16i8_mpy(v16i8 v1, v16i8 v2) {
+  return v1 * v2;
+}
+
+v16i8 v16i8_add(v16i8 v1, v16i8 v2) {
+  return v1 + v2;
+}
+
+v4i32 v4i32_shuffle_1(v4i32 a) {
+  v4i32 c2 = a.yzwx;
+  return c2;
+}
+
+v4i32 v4i32_shuffle_2(v4i32 a) {
+  v4i32 c2 = a.zwxy;
+  return c2;
+}
+
+v4i32 v4i32_shuffle_3(v4i32 a) {
+  v4i32 c2 = a.wxyz;
+  return c2;
+}
+
+v4i32 v4i32_shuffle_4(v4i32 a) {
+  v4i32 c2 = a.xyzw;
+  return c2;
+}
+
+v4i32 v4i32_shuffle_5(v4i32 a) {
+  v4i32 c2 = a.xwzy;
+  return c2;
+}
+
+v4f32 v4f32_shuffle_1(v4f32 a) {
+  v4f32 c2 = a.yzwx;
+  return c2;
+}
+
+v4f32 v4f32_shuffle_2(v4f32 a) {
+  v4f32 c2 = a.zwxy;
+  return c2;
+}
+
+v4f32 v4f32_shuffle_3(v4f32 a) {
+  v4f32 c2 = a.wxyz;
+  return c2;
+}
+
+v4f32 v4f32_shuffle_4(v4f32 a) {
+  v4f32 c2 = a.xyzw;
+  return c2;
+}
+
+v4f32 v4f32_shuffle_5(v4f32 a) {
+  v4f32 c2 = a.xwzy;
+  return c2;
+}
+
+v2i64 v2i64_shuffle(v2i64 a) {
+  v2i64 c2 = a.yx;
+  return c2;
+}
+
+v2f64 v2f64_shuffle(v2f64 a) {
+  v2f64 c2 = a.yx;
+  return c2;
+}
+
+int main(void) {
+  v16i8 v00 = { 0xf4, 0xad, 0x01, 0xe9, 0x51, 0x78, 0xc1, 0x8a,
+                0x94, 0x7c, 0x49, 0x6c, 0x21, 0x32, 0xb2, 0x04 };
+  v16i8 va0 = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
+                0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10 };
+  v16i8 va1 = { 0x11, 0x83, 0x4b, 0x63, 0xff, 0x90, 0x32, 0xe5,
+                0x5a, 0xaa, 0x20, 0x01, 0x0d, 0x15, 0x77, 0x05 };
+  v8i16 v01 = { 0x1a87, 0x0a14, 0x5014, 0xfff0,
+                0xe194, 0x0184, 0x801e, 0x5940 };
+  v4i32 v1 = { 1, 2, 3, 4 };
+  v4f32 v2 = { 1.0, 2.0, 3.0, 4.0 };
+  v2i64 v3 = { 691043ll, 910301513ll };
+  v2f64 v4 = { 5.8e56, 9.103e-62 };
+
+  puts("---- vector tests start ----");
+
+  print_v16i8_hex("v00                        ", v00);
+  print_v16i8_hex("va0                        ", va0);
+  print_v16i8_hex("va1                        ", va1);
+  print_v16i8_hex("va0 x va1                  ", v16i8_mpy(va0, va1));
+  print_v16i8_hex("va0 + va1                  ", v16i8_add(va0, va1));
+  print_v8i16_hex("v01                        ", v01);
+
+  print_v4i32("v4i32_shuffle_1(1, 2, 3, 4)", v4i32_shuffle_1(v1));
+  print_v4i32("v4i32_shuffle_2(1, 2, 3, 4)", v4i32_shuffle_2(v1));
+  print_v4i32("v4i32_shuffle_3(1, 2, 3, 4)", v4i32_shuffle_3(v1));
+  print_v4i32("v4i32_shuffle_4(1, 2, 3, 4)", v4i32_shuffle_4(v1));
+  print_v4i32("v4i32_shuffle_5(1, 2, 3, 4)", v4i32_shuffle_5(v1));
+
+  print_v4f32("v4f32_shuffle_1(1, 2, 3, 4)", v4f32_shuffle_1(v2));
+  print_v4f32("v4f32_shuffle_2(1, 2, 3, 4)", v4f32_shuffle_2(v2));
+  print_v4f32("v4f32_shuffle_3(1, 2, 3, 4)", v4f32_shuffle_3(v2));
+  print_v4f32("v4f32_shuffle_4(1, 2, 3, 4)", v4f32_shuffle_4(v2));
+  print_v4f32("v4f32_shuffle_5(1, 2, 3, 4)", v4f32_shuffle_5(v2));
+
+  print_v2i64("v3                         ", v3);
+  print_v2i64("v2i64_shuffle              ", v2i64_shuffle(v3));
+  print_v2f64("v4                         ", v4);
+  print_v2f64("v2f64_shuffle              ", v2f64_shuffle(v4));
+
+  puts("---- vector tests end ----");
+
+  return 0;
+}