radeonsi: move si_emit_ballot() to ac

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Connor Abbott
2017-06-05 15:20:04 -07:00
committed by Dave Airlie
parent ac27fa7294
commit bd73b89792
3 changed files with 35 additions and 32 deletions

View File

@@ -243,6 +243,32 @@ ac_build_optimization_barrier(struct ac_llvm_context *ctx,
}
}
LLVMValueRef
ac_build_ballot(struct ac_llvm_context *ctx,
LLVMValueRef value)
{
LLVMValueRef args[3] = {
value,
ctx->i32_0,
LLVMConstInt(ctx->i32, LLVMIntNE, 0)
};
/* We currently have no other way to prevent LLVM from lifting the icmp
* calls to a dominating basic block.
*/
ac_build_optimization_barrier(ctx, &args[0]);
if (LLVMTypeOf(args[0]) != ctx->i32)
args[0] = LLVMBuildBitCast(ctx->builder, args[0], ctx->i32, "");
return ac_build_intrinsic(ctx,
"llvm.amdgcn.icmp.i32",
ctx->i64, args, 3,
AC_FUNC_ATTR_NOUNWIND |
AC_FUNC_ATTR_READNONE |
AC_FUNC_ATTR_CONVERGENT);
}
LLVMValueRef
ac_build_gather_values_extended(struct ac_llvm_context *ctx,
LLVMValueRef *values,

View File

@@ -77,6 +77,9 @@ void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
void ac_build_optimization_barrier(struct ac_llvm_context *ctx,
LLVMValueRef *pvgpr);
LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
LLVMValueRef
ac_build_gather_values_extended(struct ac_llvm_context *ctx,
LLVMValueRef *values,

View File

@@ -3814,32 +3814,6 @@ static void build_interp_intrinsic(const struct lp_build_tgsi_action *action,
}
}
static LLVMValueRef si_emit_ballot(struct si_shader_context *ctx,
LLVMValueRef value)
{
struct gallivm_state *gallivm = &ctx->gallivm;
LLVMValueRef args[3] = {
value,
ctx->i32_0,
LLVMConstInt(ctx->i32, LLVMIntNE, 0)
};
/* We currently have no other way to prevent LLVM from lifting the icmp
* calls to a dominating basic block.
*/
ac_build_optimization_barrier(&ctx->ac, &args[0]);
if (LLVMTypeOf(args[0]) != ctx->i32)
args[0] = LLVMBuildBitCast(gallivm->builder, args[0], ctx->i32, "");
return lp_build_intrinsic(gallivm->builder,
"llvm.amdgcn.icmp.i32",
ctx->i64, args, 3,
LP_FUNC_ATTR_NOUNWIND |
LP_FUNC_ATTR_READNONE |
LP_FUNC_ATTR_CONVERGENT);
}
static void vote_all_emit(
const struct lp_build_tgsi_action *action,
struct lp_build_tgsi_context *bld_base,
@@ -3850,8 +3824,8 @@ static void vote_all_emit(
LLVMValueRef active_set, vote_set;
LLVMValueRef tmp;
active_set = si_emit_ballot(ctx, ctx->i32_1);
vote_set = si_emit_ballot(ctx, emit_data->args[0]);
active_set = ac_build_ballot(&ctx->ac, ctx->i32_1);
vote_set = ac_build_ballot(&ctx->ac, emit_data->args[0]);
tmp = LLVMBuildICmp(gallivm->builder, LLVMIntEQ, vote_set, active_set, "");
emit_data->output[emit_data->chan] =
@@ -3868,7 +3842,7 @@ static void vote_any_emit(
LLVMValueRef vote_set;
LLVMValueRef tmp;
vote_set = si_emit_ballot(ctx, emit_data->args[0]);
vote_set = ac_build_ballot(&ctx->ac, emit_data->args[0]);
tmp = LLVMBuildICmp(gallivm->builder, LLVMIntNE,
vote_set, LLVMConstInt(ctx->i64, 0, 0), "");
@@ -3886,8 +3860,8 @@ static void vote_eq_emit(
LLVMValueRef active_set, vote_set;
LLVMValueRef all, none, tmp;
active_set = si_emit_ballot(ctx, ctx->i32_1);
vote_set = si_emit_ballot(ctx, emit_data->args[0]);
active_set = ac_build_ballot(&ctx->ac, ctx->i32_1);
vote_set = ac_build_ballot(&ctx->ac, emit_data->args[0]);
all = LLVMBuildICmp(gallivm->builder, LLVMIntEQ, vote_set, active_set, "");
none = LLVMBuildICmp(gallivm->builder, LLVMIntEQ,
@@ -3907,7 +3881,7 @@ static void ballot_emit(
LLVMValueRef tmp;
tmp = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_X);
tmp = si_emit_ballot(ctx, tmp);
tmp = ac_build_ballot(&ctx->ac, tmp);
tmp = LLVMBuildBitCast(builder, tmp, ctx->v2i32, "");
emit_data->output[0] = LLVMBuildExtractElement(builder, tmp, ctx->i32_0, "");