Fixed a bug in the flag register allocator

Started to add more brutal test to improve functional regressions. Kind of
needed for big modifications that are going to come
Check switch case lowering functionality

1 files changed, 65 insertions, 0 deletions

diff --git a/utests/compiler_box_blur_float.cpp b/utests/compiler_box_blur_float.cpp
new file mode 100644
index 00000000..a3c97bc4
--- /dev/null
+++ b/utests/compiler_box_blur_float.cpp
@@ -0,0 +1,65 @@
+#include "utest_helper.hpp"
+#include <cmath>
+
+static int *tmp = NULL;
+static struct float4 {float x,y,z,w;} *src = NULL, *dst = NULL;
+static int w = 0;
+static int h = 0;
+static int sz = 0;
+static const size_t chunk = 64;
+
+static void compiler_box_blur_float()
+{
+  OCL_CREATE_KERNEL("compiler_box_blur_float");
+
+  /* Load the picture */
+  tmp = cl_read_bmp("lenna128x128.bmp", &w, &h);
+  sz = w * h * sizeof(float[4]);
+  src = (float4*)malloc(sz);
+
+  /* RGBA -> float4 conversion */
+  const int n = w*h;
+  for (int i = 0; i < n; ++i) {
+    src[i].x = (float) (tmp[i] & 0xff);
+    src[i].y = (float) ((tmp[i] >> 8) & 0xff);
+    src[i].z = (float) ((tmp[i] >> 16) & 0xff);
+    src[i].w = 0.f;
+  }
+  free(tmp);
+
+  /* Run the kernel */
+  OCL_CREATE_BUFFER(buf[0], CL_MEM_COPY_HOST_PTR, sz, src);
+  OCL_CREATE_BUFFER(buf[1], 0, sz, NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+  OCL_SET_ARG(2, sizeof(int), &w);
+  OCL_SET_ARG(3, sizeof(int), &h);
+  OCL_SET_ARG(4, sizeof(int), &chunk);
+  globals[0] = size_t(w);
+  globals[1] = h/chunk + ((h%chunk)?1:0);
+  locals[0] = 16;
+  locals[1] = 1;
+  free(src);
+  OCL_NDRANGE(2);
+  OCL_MAP_BUFFER(1);
+  dst = (float4*) buf_data[1];
+
+  /* Convert back to RGBA and save */
+  int *tmp = (int*) malloc(n*sizeof(int));
+  for (int i = 0; i < n; ++i) {
+    int to = int(std::min(dst[i].x, 255.f));
+    to |= int(std::min(dst[i].y, 255.f)) << 8;
+    to |= int(std::min(dst[i].z, 255.f)) << 16;
+    tmp[i] = to;
+  }
+
+  /* Save the image (for debug purpose) */
+  cl_write_bmp(tmp, w, h, "compiler_box_blur_float.bmp");
+
+  /* Compare with the golden image */
+  OCL_CHECK_IMAGE(tmp, w, h, "compiler_box_blur_float_ref.bmp");
+  free(tmp);
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_box_blur_float);
+