gallium/radeon: more descriptive names for LLVM temporaries in debug builds

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
index 7b96a58..22ff18e 100644 (file)
--- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
+++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
@@ -38,6 +38,7 @@
 #include "util/u_memory.h"
 #include "util/u_debug.h"
 
+#include <stdio.h>
 #include <llvm-c/Core.h>
 #include <llvm-c/Transforms/Scalar.h>
 
@@ -428,6 +429,7 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
 
        case TGSI_FILE_TEMPORARY:
        {
+               char name[16] = "";
                LLVMValueRef array_alloca = NULL;
                unsigned decl_size;
                first = decl->Range.First;
@@ -465,10 +467,14 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
                }
                if (!array_alloca) {
                        for (i = 0; i < decl_size; ++i) {
+#ifdef DEBUG
+                               snprintf(name, sizeof(name), "TEMP%d.%c",
+                                        first + i / 4, "xyzw"[i % 4]);
+#endif
                                ctx->temps[first * TGSI_NUM_CHANNELS + i] =
                                        si_build_alloca_undef(bld_base->base.gallivm,
                                                              bld_base->base.vec_type,
-                                                             "temp");
+                                                             name);
                        }
                } else {
                        LLVMValueRef idxs[2] = {
@@ -476,9 +482,13 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
                                NULL
                        };
                        for (i = 0; i < decl_size; ++i) {
+#ifdef DEBUG
+                               snprintf(name, sizeof(name), "TEMP%d.%c",
+                                        first + i / 4, "xyzw"[i % 4]);
+#endif
                                idxs[1] = lp_build_const_int32(bld_base->base.gallivm, i);
                                ctx->temps[first * TGSI_NUM_CHANNELS + i] =
-                                       LLVMBuildGEP(builder, array_alloca, idxs, 2, "temp");
+                                       LLVMBuildGEP(builder, array_alloca, idxs, 2, name);
                        }
                }
                break;