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amd/common: use ac_build_buffer_load() for emitting UBO loads

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2018-01-10 12:57:20 +01:00
parent 7239e265eb
commit 41c36c4549
1 changed files with 3 additions and 14 deletions
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17
src/amd/common/ac_nir_to_llvm.c
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@ -2580,7 +2580,7 @@ static LLVMValueRef visit_load_buffer(struct ac_nir_context *ctx,
static LLVMValueRef visit_load_ubo_buffer(struct ac_nir_context *ctx, static LLVMValueRef visit_load_ubo_buffer(struct ac_nir_context *ctx,
const nir_intrinsic_instr *instr) const nir_intrinsic_instr *instr)
{ {
LLVMValueRef results[8], ret; LLVMValueRef ret;
LLVMValueRef rsrc = get_src(ctx, instr->src[0]); LLVMValueRef rsrc = get_src(ctx, instr->src[0]);
LLVMValueRef offset = get_src(ctx, instr->src[1]); LLVMValueRef offset = get_src(ctx, instr->src[1]);
int num_components = instr->num_components; int num_components = instr->num_components;
@ -2591,20 +2591,9 @@ static LLVMValueRef visit_load_ubo_buffer(struct ac_nir_context *ctx,
if (instr->dest.ssa.bit_size == 64) if (instr->dest.ssa.bit_size == 64)
num_components *= 2; num_components *= 2;
for (unsigned i = 0; i < num_components; ++i) { ret = ac_build_buffer_load(&ctx->ac, rsrc, num_components, NULL, offset,
LLVMValueRef params[] = { NULL, 0, false, false, true, true);
rsrc,
LLVMBuildAdd(ctx->ac.builder, LLVMConstInt(ctx->ac.i32, 4 * i, 0),
offset, "")
};
results[i] = ac_build_intrinsic(&ctx->ac, "llvm.SI.load.const.v4i32", ctx->ac.f32,
params, 2,
AC_FUNC_ATTR_READNONE |
AC_FUNC_ATTR_LEGACY);
}
ret = ac_build_gather_values(&ctx->ac, results, num_components);
return LLVMBuildBitCast(ctx->ac.builder, ret, return LLVMBuildBitCast(ctx->ac.builder, ret,
get_def_type(ctx, &instr->dest.ssa), ""); get_def_type(ctx, &instr->dest.ssa), "");
} }