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authorNicolai Hähnle <[email protected]>2016-09-28 18:30:09 +0200
committerNicolai Hähnle <[email protected]>2016-10-04 16:39:15 +0200
commit89e9de2ea69c9b4c0022471d314c2a4aa6c89c7a (patch)
tree937d23985d5a47672ceed2144bae5550681ce75b
parent6f87d7a14699277be6dd17e9e712841c4057c4df (diff)
gallium/radeon: label basic blocks by the corresponding TGSI pc
Reviewed-by: Marek Olšák <[email protected]>
-rw-r--r--src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
index 201bed88707..2f6b7e27971 100644
--- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
+++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
@@ -796,6 +796,17 @@ void radeon_llvm_emit_store(struct lp_build_tgsi_context *bld_base,
}
}
+static void set_basicblock_name(LLVMBasicBlockRef bb, const char *base, int pc)
+{
+ char buf[32];
+ /* Subtract 1 so that the number shown is that of the corresponding
+ * opcode in the TGSI dump, e.g. an if block has the same suffix as
+ * the instruction number of the corresponding TGSI IF.
+ */
+ snprintf(buf, sizeof(buf), "%s%d", base, pc - 1);
+ LLVMSetValueName(LLVMBasicBlockAsValue(bb), buf);
+}
+
/* Emit a branch to the given default target for the current block if
* applicable -- that is, if the current block does not already contain a
* branch from a break or continue.
@@ -818,6 +829,7 @@ static void bgnloop_emit(const struct lp_build_tgsi_action *action,
ctx->main_fn, "ENDLOOP");
loop_block = LLVMInsertBasicBlockInContext(gallivm->context,
endloop_block, "LOOP");
+ set_basicblock_name(loop_block, "loop", bld_base->pc);
LLVMBuildBr(gallivm->builder, loop_block);
LLVMPositionBuilderAtEnd(gallivm->builder, loop_block);
@@ -870,6 +882,7 @@ static void else_emit(const struct lp_build_tgsi_action *action,
emit_default_branch(gallivm->builder, current_branch->endif_block);
current_branch->has_else = 1;
LLVMPositionBuilderAtEnd(gallivm->builder, current_branch->else_block);
+ set_basicblock_name(current_branch->else_block, "else", bld_base->pc);
}
static void endif_emit(const struct lp_build_tgsi_action *action,
@@ -886,9 +899,11 @@ static void endif_emit(const struct lp_build_tgsi_action *action,
if (!LLVMGetBasicBlockTerminator(current_branch->else_block)) {
LLVMPositionBuilderAtEnd(gallivm->builder, current_branch->else_block);
LLVMBuildBr(gallivm->builder, current_branch->endif_block);
+ set_basicblock_name(current_branch->else_block, "empty_else", bld_base->pc);
}
LLVMPositionBuilderAtEnd(gallivm->builder, current_branch->endif_block);
+ set_basicblock_name(current_branch->endif_block, "endif", bld_base->pc);
ctx->branch_depth--;
}
@@ -903,6 +918,7 @@ static void endloop_emit(const struct lp_build_tgsi_action *action,
emit_default_branch(gallivm->builder, current_loop->loop_block);
LLVMPositionBuilderAtEnd(gallivm->builder, current_loop->endloop_block);
+ set_basicblock_name(current_loop->endloop_block, "endloop", bld_base->pc);
ctx->loop_depth--;
}
@@ -921,6 +937,7 @@ static void if_cond_emit(const struct lp_build_tgsi_action *action,
endif_block, "IF");
else_block = LLVMInsertBasicBlockInContext(gallivm->context,
endif_block, "ELSE");
+ set_basicblock_name(if_block, "if", bld_base->pc);
LLVMBuildCondBr(gallivm->builder, cond, if_block, else_block);
LLVMPositionBuilderAtEnd(gallivm->builder, if_block);