Mesa (master): gallivm: More fallout from disabling with LLVM 3.6

[Michel Dänzer]

Module: Mesa
Branch: master
Commit: 4a38b154fd02061d8989f8973fbc10740300bf8b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4a38b154fd02061d8989f8973fbc10740300bf8b

Author: Michel Dänzer <michel.daenzer at amd.com>
Date:   Thu Sep 25 12:23:02 2014 +0900

gallivm: More fallout from disabling with LLVM 3.6

The draw module would still try to use gallivm, causing many piglit tests
to fail with an assertion failure. llvmpipe might have been similarly
affected.

Reviewed-by: Tom Stellard <thomas.stellard at amd.com>

---

 src/gallium/auxiliary/draw/draw_context.c   |    2 --
 src/gallium/auxiliary/draw/draw_llvm.c      |    5 +++--
 src/gallium/auxiliary/gallivm/lp_bld_init.c |   16 +++++++++++++---
 src/gallium/auxiliary/gallivm/lp_bld_init.h |    2 +-
 src/gallium/drivers/llvmpipe/lp_jit.c       |    4 ++--
 src/gallium/drivers/llvmpipe/lp_jit.h       |    2 +-
 src/gallium/drivers/llvmpipe/lp_screen.c    |    5 +++--
 src/gallium/drivers/llvmpipe/lp_test_main.c |    5 +++--
 8 files changed, 26 insertions(+), 15 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c
index 001446f..85f8e26 100644
--- a/src/gallium/auxiliary/draw/draw_context.c
+++ b/src/gallium/auxiliary/draw/draw_context.c
@@ -93,8 +93,6 @@ draw_create_context(struct pipe_context *pipe, boolean try_llvm)
 #if HAVE_LLVM
    if (try_llvm && draw_get_option_use_llvm()) {
       draw->llvm = draw_llvm_create(draw);
-      if (!draw->llvm)
-         goto err_destroy;
    }
 #endif
 
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index e8e837a..504f3ef 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -484,12 +484,13 @@ draw_llvm_create(struct draw_context *draw)
 {
    struct draw_llvm *llvm;
 
+   if (!lp_build_init())
+      return NULL;
+
    llvm = CALLOC_STRUCT( draw_llvm );
    if (!llvm)
       return NULL;
 
-   lp_build_init();
-
    llvm->draw = draw;
 
    llvm->nr_variants = 0;
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_init.c b/src/gallium/auxiliary/gallivm/lp_bld_init.c
index 243d248..75ef935 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_init.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_init.c
@@ -306,7 +306,8 @@ init_gallivm_state(struct gallivm_state *gallivm, const char *name)
    assert(!gallivm->context);
    assert(!gallivm->module);
 
-   lp_build_init();
+   if (!lp_build_init())
+      return FALSE;
 
    if (USE_GLOBAL_CONTEXT) {
       gallivm->context = LLVMGetGlobalContext();
@@ -382,11 +383,18 @@ fail:
 }
 
 
-void
+boolean
 lp_build_init(void)
 {
    if (gallivm_initialized)
-      return;
+      return TRUE;
+
+   /* XXX: Remove this once lp_bld_misc.cpp has been adapted to the removal
+    * of JITMemoryManager
+    */
+#if HAVE_LLVM >= 0x0306
+   return FALSE;
+#endif
 
 #ifdef DEBUG
    gallivm_debug = debug_get_option_gallivm_debug();
@@ -477,6 +485,8 @@ lp_build_init(void)
    util_cpu_caps.has_avx = 0;
    util_cpu_caps.has_f16c = 0;
 #endif
+
+   return TRUE;
 }
 
 
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_init.h b/src/gallium/auxiliary/gallivm/lp_bld_init.h
index 2e32cf8..64c5278 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_init.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_init.h
@@ -49,7 +49,7 @@ struct gallivm_state
 };
 
 
-void
+boolean
 lp_build_init(void);
 
 
diff --git a/src/gallium/drivers/llvmpipe/lp_jit.c b/src/gallium/drivers/llvmpipe/lp_jit.c
index 261702f..9acde4f 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.c
+++ b/src/gallium/drivers/llvmpipe/lp_jit.c
@@ -231,10 +231,10 @@ lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
 }
 
 
-void
+boolean
 lp_jit_screen_init(struct llvmpipe_screen *screen)
 {
-   lp_build_init();
+   return lp_build_init();
 }
 
 
diff --git a/src/gallium/drivers/llvmpipe/lp_jit.h b/src/gallium/drivers/llvmpipe/lp_jit.h
index 1325a8c..097fa7d 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.h
+++ b/src/gallium/drivers/llvmpipe/lp_jit.h
@@ -252,7 +252,7 @@ void
 lp_jit_screen_cleanup(struct llvmpipe_screen *screen);
 
 
-void
+boolean
 lp_jit_screen_init(struct llvmpipe_screen *screen);
 
 
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index e6597e9..3025322 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -557,6 +557,9 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
        return NULL;
 #endif
 
+   if (!lp_jit_screen_init(screen))
+      return NULL;
+
 #ifdef DEBUG
    LP_DEBUG = debug_get_flags_option("LP_DEBUG", lp_debug_flags, 0 );
 #endif
@@ -588,8 +591,6 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
 
    llvmpipe_init_screen_resource_funcs(&screen->base);
 
-   lp_jit_screen_init(screen);
-
    screen->num_threads = util_cpu_caps.nr_cpus > 1 ? util_cpu_caps.nr_cpus : 0;
 #ifdef PIPE_SUBSYSTEM_EMBEDDED
    screen->num_threads = 0;
diff --git a/src/gallium/drivers/llvmpipe/lp_test_main.c b/src/gallium/drivers/llvmpipe/lp_test_main.c
index 8a896be..c7b6d65 100644
--- a/src/gallium/drivers/llvmpipe/lp_test_main.c
+++ b/src/gallium/drivers/llvmpipe/lp_test_main.c
@@ -376,6 +376,9 @@ int main(int argc, char **argv)
    fpstate = util_fpstate_get();
    util_fpstate_set_denorms_to_zero(fpstate);
 
+   if (!lp_build_init())
+      return 1;
+
    for(i = 1; i < argc; ++i) {
       if(strcmp(argv[i], "-v") == 0)
          ++verbose;
@@ -387,8 +390,6 @@ int main(int argc, char **argv)
          n = atoi(argv[i]);
    }
 
-   lp_build_init();
-
 #ifdef DEBUG
    if (verbose >= 2) {
       gallivm_debug |= GALLIVM_DEBUG_IR;