---
src/amd/common/ac_nir_to_llvm.c | 46 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index db692919ce..c69aaed7ed 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -3918,6 +3918,46 @@ visit_load_local_invocation_index(struct
nir_to_llvm_context *ctx)
return LLVMBuildAdd(ctx->builder, result, thread_id, "");
}
+static LLVMValueRef
+visit_load_shared(struct ac_nir_context *ctx,
+ const nir_intrinsic_instr *instr)
+{
+ LLVMValueRef values[4], derived_ptr, index, ret;
+
+ LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[0]);
+
+ for (int chan = 0; chan < instr->num_components; chan++) {
+ index = LLVMConstInt(ctx->ac.i32, chan, 0);
+ derived_ptr = LLVMBuildGEP(ctx->ac.builder, ptr, &index, 1, "");
+ values[chan] = LLVMBuildLoad(ctx->ac.builder, derived_ptr, "");
+ }
+
+ ret = ac_build_gather_values(&ctx->ac, values, instr->num_components);
+ return LLVMBuildBitCast(ctx->ac.builder, ret, get_def_type(ctx,
&instr->dest.ssa), "");
+}
+
+static void
+visit_store_shared(struct ac_nir_context *ctx,
+ const nir_intrinsic_instr *instr)
+{
+ LLVMValueRef derived_ptr, data,index;
+ LLVMBuilderRef builder = ctx->ac.builder;
+
+ LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[1]);
+ LLVMValueRef src = get_src(ctx, instr->src[0]);
+
+ int writemask = nir_intrinsic_write_mask(instr);
+ for (int chan = 0; chan < 4; chan++) {
+ if (!(writemask & (1 << chan))) {
+ continue;
+ }
+ data = ac_llvm_extract_elem(&ctx->ac, src, chan);
+ index = LLVMConstInt(ctx->ac.i32, chan, 0);
+ derived_ptr = LLVMBuildGEP(builder, ptr, &index, 1, "");
+ LLVMBuildStore(builder, data, derived_ptr);
+ }
+}
+
static LLVMValueRef visit_var_atomic(struct ac_nir_context *ctx,
const nir_intrinsic_instr *instr,
LLVMValueRef ptr)
@@ -4440,6 +4480,12 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
case nir_intrinsic_store_var:
visit_store_var(ctx, instr);
break;
+ case nir_intrinsic_load_shared:
+ result = visit_load_shared(ctx, instr);
+ break;
+ case nir_intrinsic_store_shared:
+ visit_store_shared(ctx, instr);
+ break;
case nir_intrinsic_image_load:
result = visit_image_load(ctx, instr);
break;
--
2.14.3
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