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gallium/radeon: assign a name to LLVM output variables in debug builds

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This can be helpful with R600_DEBUG=preoptir.

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-10-07 17:14:54 +02:00
parent 39a29c2431
commit 38cfd5160a
1 changed files with 6 additions and 1 deletions
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7
src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
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@ -703,6 +703,7 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
case TGSI_FILE_OUTPUT:
{
char name[16] = "";
unsigned idx;
for (idx = decl->Range.First; idx <= decl->Range.Last; idx++) {
unsigned chan;
@ -710,9 +711,13 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base,
if (ctx->soa.outputs[idx][0])
continue;
for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
#ifdef DEBUG
snprintf(name, sizeof(name), "OUT%d.%c",
idx, "xyzw"[chan % 4]);
#endif
ctx->soa.outputs[idx][chan] = lp_build_alloca_undef(
&ctx->gallivm,
ctx->soa.bld_base.base.elem_type, "");
ctx->soa.bld_base.base.elem_type, name);
}
}
break;