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radeonsi: add si_llvm_emit_kill() helper

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Timothy Arceri
2018-03-08 09:37:10 +11:00
parent f4b877631e
commit 50cc97d98a
2 changed files with 21 additions and 12 deletions
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src/gallium/drivers/radeonsi/si_shader_internal.h
+2
View File
@@ -258,6 +258,8 @@ LLVMValueRef si_llvm_emit_fetch(struct lp_build_tgsi_context *bld_base,
enum tgsi_opcode_type type,
unsigned swizzle);
void si_llvm_emit_kill(struct ac_shader_abi *abi, LLVMValueRef visible);
LLVMValueRef si_nir_load_input_tes(struct ac_shader_abi *abi,
LLVMTypeRef type,
LLVMValueRef vertex_index,
src/gallium/drivers/radeonsi/si_shader_tgsi_alu.c
+19 -12
View File
@@ -53,20 +53,10 @@ static void kill_if_fetch_args(struct lp_build_tgsi_context *bld_base,
emit_data->args[0] = conds[0];
}
static void kil_emit(const struct lp_build_tgsi_action *action,
struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data)
void si_llvm_emit_kill(struct ac_shader_abi *abi, LLVMValueRef visible)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
struct si_shader_context *ctx = si_shader_context_from_abi(abi);
LLVMBuilderRef builder = ctx->ac.builder;
LLVMValueRef visible;
if (emit_data->inst->Instruction.Opcode == TGSI_OPCODE_KILL_IF) {
visible = emit_data->args[0];
} else {
assert(emit_data->inst->Instruction.Opcode == TGSI_OPCODE_KILL);
visible = LLVMConstInt(ctx->i1, false, 0);
}
if (ctx->shader->selector->force_correct_derivs_after_kill) {
/* LLVM 6.0 can kill immediately while maintaining WQM. */
@@ -84,6 +74,23 @@ static void kil_emit(const struct lp_build_tgsi_action *action,
ac_build_kill_if_false(&ctx->ac, visible);
}
static void kil_emit(const struct lp_build_tgsi_action *action,
struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
LLVMValueRef visible;
if (emit_data->inst->Instruction.Opcode == TGSI_OPCODE_KILL_IF) {
visible = emit_data->args[0];
} else {
assert(emit_data->inst->Instruction.Opcode == TGSI_OPCODE_KILL);
visible = LLVMConstInt(ctx->i1, false, 0);
}
si_llvm_emit_kill(&ctx->abi, visible);
}
static void emit_icmp(const struct lp_build_tgsi_action *action,
struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data)