gallivm: Centralize some of the LLVM debugging options.

2 files changed, 31 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_debug.h b/src/gallium/auxiliary/gallivm/lp_bld_debug.h
index 1897acce795..858002b34fe 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_debug.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_debug.h
@@ -36,6 +36,19 @@
 #include "util/u_string.h"
 
 
+#define GALLIVM_DEBUG_TGSI      0x1
+#define GALLIVM_DEBUG_IR        0x2
+#define GALLIVM_DEBUG_ASM       0x4
+#define GALLIVM_DEBUG_NO_OPT    0x8
+
+
+#ifdef DEBUG
+extern unsigned gallivm_debug;
+#else
+#define gallivm_debug 0
+#endif
+
+
 static INLINE void
 lp_build_name(LLVMValueRef val, const char *format, ...)
 {
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_init.c b/src/gallium/auxiliary/gallivm/lp_bld_init.c
index 5067d0a164f..bd080f397aa 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_init.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_init.c
@@ -29,9 +29,23 @@
 #include "pipe/p_compiler.h"
 #include "util/u_cpu_detect.h"
 #include "util/u_debug.h"
+#include "lp_bld_debug.h"
 #include "lp_bld_init.h"
 
 
+#ifdef DEBUG
+unsigned gallivm_debug = 0;
+
+static const struct debug_named_value lp_bld_debug_flags[] = {
+   { "tgsi",   GALLIVM_DEBUG_TGSI },
+   { "ir",     GALLIVM_DEBUG_IR },
+   { "asm",    GALLIVM_DEBUG_ASM },
+   { "nopt",   GALLIVM_DEBUG_NO_OPT },
+   {NULL, 0}
+};
+#endif
+
+
 LLVMModuleRef lp_build_module = NULL;
 LLVMExecutionEngineRef lp_build_engine = NULL;
 LLVMModuleProviderRef lp_build_provider = NULL;
@@ -41,6 +55,10 @@ LLVMTargetDataRef lp_build_target = NULL;
 void
 lp_build_init(void)
 {
+#ifdef DEBUG
+   gallivm_debug = debug_get_flags_option("GALLIVM_DEBUG", lp_bld_debug_flags, 0 );
+#endif
+
    LLVMInitializeNativeTarget();
 
    LLVMLinkInJIT();