nir: Don't include xxhash.h in nir.h, only where it is used.

Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33439>

src/compiler/nir/nir.h

@@ -48,9 +48,7 @@
 #include "util/u_printf.h"
 #include "nir_defines.h"
 #include "nir_shader_compiler_options.h"
-#define XXH_INLINE_ALL
 #include <stdio.h>
-#include "util/xxhash.h"
 
 #ifndef NDEBUG
 #include "util/u_debug.h"

src/compiler/nir/nir_instr_set.c

@@ -26,6 +26,9 @@
 #include "nir_vla.h"
 #include "nir.h"
 
+#define XXH_INLINE_ALL
+#include "util/xxhash.h"
+
 /* This function determines if uses of an instruction can safely be rewritten
  * to use another identical instruction instead. Note that this function must
  * be kept in sync with hash_instr() and nir_instrs_equal() -- only

src/compiler/nir/nir_lower_locals_to_regs.c

@@ -26,6 +26,9 @@
 #include "nir_builder_opcodes.h"
 #include "nir_intrinsics_indices.h"
 
+#define XXH_INLINE_ALL
+#include "util/xxhash.h"
+
 struct locals_to_regs_state {
    nir_builder builder;
 

src/compiler/nir/nir_opt_load_store_vectorize.c

@@ -50,6 +50,9 @@
 
 #include <stdlib.h>
 
+#define XXH_INLINE_ALL
+#include "util/xxhash.h"
+
 struct intrinsic_info {
    nir_variable_mode mode; /* 0 if the mode is obtained from the deref. */
    nir_intrinsic_op op;

src/compiler/nir/nir_opt_vectorize.c

@@ -37,6 +37,9 @@
 #include "nir_builder.h"
 #include "nir_vla.h"
 
+#define XXH_INLINE_ALL
+#include "util/xxhash.h"
+
 #define HASH(hash, data) XXH32(&data, sizeof(data), hash)
 
 static uint32_t

src/freedreno/vulkan/tu_autotune.cc

@@ -11,6 +11,9 @@
 #include "tu_image.h"
 #include "tu_pass.h"
 
+#define XXH_INLINE_ALL
+#include "util/xxhash.h"
+
 /* How does it work?
  *
  * - For each renderpass we calculate the number of samples passed

src/freedreno/vulkan/tu_pass.cc

@@ -16,6 +16,9 @@
 #include "tu_device.h"
 #include "tu_image.h"
 
+#define XXH_INLINE_ALL
+#include "util/xxhash.h"
+
 static void
 tu_render_pass_add_subpass_dep(struct tu_render_pass *pass,
                                const VkSubpassDependency2 *dep)

src/gallium/drivers/freedreno/a6xx/fd6_texture.cc

@@ -22,6 +22,9 @@
 #include "fd6_screen.h"
 #include "fd6_texture.h"
 
+#define XXH_INLINE_ALL
+#include "util/xxhash.h"
+
 static void fd6_texture_state_destroy(struct fd6_texture_state *state);
 
 static void