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ac: use 1D GEPs for descriptors and constants

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just a cleanup

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Tested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Marek Olšák
2019-05-09 20:58:21 -04:00
parent 67b4785958
commit 6b0b8f132a
3 changed files with 12 additions and 13 deletions
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15
src/amd/common/ac_llvm_build.c
View File

@@ -1016,7 +1016,7 @@ LLVMValueRef ac_build_pointer_add(struct ac_llvm_context *ctx, LLVMValueRef ptr,
LLVMValueRef index)
{
return LLVMBuildPointerCast(ctx->builder,
ac_build_gep0(ctx, ptr, index),
LLVMBuildGEP(ctx->builder, ptr, &index, 1, ""),
LLVMTypeOf(ptr), "");
}
@@ -1063,13 +1063,12 @@ ac_build_load_custom(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
bool no_unsigned_wraparound)
{
LLVMValueRef pointer, result;
LLVMValueRef indices[2] = {ctx->i32_0, index};
if (no_unsigned_wraparound &&
LLVMGetPointerAddressSpace(LLVMTypeOf(base_ptr)) == AC_ADDR_SPACE_CONST_32BIT)
pointer = LLVMBuildInBoundsGEP(ctx->builder, base_ptr, indices, 2, "");
pointer = LLVMBuildInBoundsGEP(ctx->builder, base_ptr, &index, 1, "");
else
pointer = LLVMBuildGEP(ctx->builder, base_ptr, indices, 2, "");
pointer = LLVMBuildGEP(ctx->builder, base_ptr, &index, 1, "");
if (uniform)
LLVMSetMetadata(pointer, ctx->uniform_md_kind, ctx->empty_md);
@@ -3314,7 +3313,7 @@ void ac_declare_lds_as_pointer(struct ac_llvm_context *ctx)
LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx,
LLVMValueRef dw_addr)
{
return ac_build_load(ctx, ctx->lds, dw_addr);
return LLVMBuildLoad(ctx->builder, ac_build_gep0(ctx, ctx->lds, dw_addr), "");
}
void ac_lds_store(struct ac_llvm_context *ctx,
@@ -3395,14 +3394,12 @@ LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type)
{
return LLVMPointerType(LLVMArrayType(elem_type, 0),
AC_ADDR_SPACE_CONST);
return LLVMPointerType(elem_type, AC_ADDR_SPACE_CONST);
}
LLVMTypeRef ac_array_in_const32_addr_space(LLVMTypeRef elem_type)
{
return LLVMPointerType(LLVMArrayType(elem_type, 0),
AC_ADDR_SPACE_CONST_32BIT);
return LLVMPointerType(elem_type, AC_ADDR_SPACE_CONST_32BIT);
}
static struct ac_llvm_flow *

2
src/amd/common/ac_nir_to_llvm.c
View File

@@ -1439,7 +1439,7 @@ static LLVMValueRef visit_load_push_constant(struct ac_nir_context *ctx,
}
}
ptr = ac_build_gep0(&ctx->ac, ctx->abi->push_constants, addr);
ptr = LLVMBuildGEP(ctx->ac.builder, ctx->abi->push_constants, &addr, 1, "");
if (instr->dest.ssa.bit_size == 8) {
unsigned load_dwords = instr->dest.ssa.num_components > 1 ? 2 : 1;

8
src/amd/vulkan/radv_nir_to_llvm.c
View File

@@ -1311,7 +1311,7 @@ radv_load_resource(struct ac_shader_abi *abi, LLVMValueRef index,
offset = ac_build_imad(&ctx->ac, index, stride, offset);
}
desc_ptr = ac_build_gep0(&ctx->ac, desc_ptr, offset);
desc_ptr = LLVMBuildGEP(ctx->ac.builder, desc_ptr, &offset, 1, "");
desc_ptr = ac_cast_ptr(&ctx->ac, desc_ptr, ctx->ac.v4i32);
LLVMSetMetadata(desc_ptr, ctx->ac.uniform_md_kind, ctx->ac.empty_md);
@@ -1755,7 +1755,8 @@ static LLVMValueRef load_sample_position(struct ac_shader_abi *abi,
struct radv_shader_context *ctx = radv_shader_context_from_abi(abi);
LLVMValueRef result;
LLVMValueRef ptr = ac_build_gep0(&ctx->ac, ctx->ring_offsets, LLVMConstInt(ctx->ac.i32, RING_PS_SAMPLE_POSITIONS, false));
LLVMValueRef index = LLVMConstInt(ctx->ac.i32, RING_PS_SAMPLE_POSITIONS, false);
LLVMValueRef ptr = LLVMBuildGEP(ctx->ac.builder, ctx->ring_offsets, &index, 1, "");
ptr = LLVMBuildBitCast(ctx->ac.builder, ptr,
ac_array_in_const_addr_space(ctx->ac.v2f32), "");
@@ -2025,7 +2026,8 @@ static LLVMValueRef radv_get_sampler_desc(struct ac_shader_abi *abi,
adjusted_index = LLVMBuildMul(builder, adjusted_index, LLVMConstInt(ctx->ac.i32, stride / type_size, 0), "");
list = ac_build_gep0(&ctx->ac, list, LLVMConstInt(ctx->ac.i32, offset, 0));
LLVMValueRef val_offset = LLVMConstInt(ctx->ac.i32, offset, 0);
list = LLVMBuildGEP(builder, list, &val_offset, 1, "");
list = LLVMBuildPointerCast(builder, list,
ac_array_in_const32_addr_space(type), "");