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

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 932d648..5885c70 100644 (file)
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -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,
                                           const nir_intrinsic_instr *instr)
 {
-       LLVMValueRef results[8], ret;
+       LLVMValueRef ret;
        LLVMValueRef rsrc = get_src(ctx, instr->src[0]);
        LLVMValueRef offset = get_src(ctx, instr->src[1]);
        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)
                num_components *= 2;
 
-       for (unsigned i = 0; i < num_components; ++i) {
-               LLVMValueRef params[] = {
-                       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_buffer_load(&ctx->ac, rsrc, num_components, NULL, offset,
+                                  NULL, 0, false, false, true, true);
 
-       ret = ac_build_gather_values(&ctx->ac, results, num_components);
        return LLVMBuildBitCast(ctx->ac.builder, ret,
                                get_def_type(ctx, &instr->dest.ssa), "");
 }