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ac: move build_varying_gather_values() to ac_llvm_build.h and expose

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Timothy Arceri 2017-11-10 13:55:48 +11:00
parent 6fd6cb6616
commit caf15ce670
3 changed files with 32 additions and 28 deletions
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22
src/amd/common/ac_llvm_build.c
View file

@ -370,6 +370,28 @@ ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value)
return LLVMBuildOr(ctx->builder, all, none, "");
}
LLVMValueRef
ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
unsigned value_count, unsigned component)
{
LLVMValueRef vec = NULL;
if (value_count == 1) {
return values[component];
} else if (!value_count)
unreachable("value_count is 0");
for (unsigned i = component; i < value_count + component; i++) {
LLVMValueRef value = values[i];
if (!i)
vec = LLVMGetUndef( LLVMVectorType(LLVMTypeOf(value), value_count));
LLVMValueRef index = LLVMConstInt(ctx->i32, i - component, false);
vec = LLVMBuildInsertElement(ctx->builder, vec, value, index, "");
}
return vec;
}
LLVMValueRef
ac_build_gather_values_extended(struct ac_llvm_context *ctx,
LLVMValueRef *values,

4
src/amd/common/ac_llvm_build.h
View file

@ -112,6 +112,10 @@ LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
LLVMValueRef
ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
unsigned value_count, unsigned component);
LLVMValueRef
ac_build_gather_values_extended(struct ac_llvm_context *ctx,
LLVMValueRef *values,

34
src/amd/common/ac_nir_to_llvm.c
View file

@ -2704,28 +2704,6 @@ get_dw_address(struct nir_to_llvm_context *ctx,
return dw_addr;
}
static LLVMValueRef
build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
unsigned value_count, unsigned component)
{
LLVMValueRef vec = NULL;
if (value_count == 1) {
return values[component];
} else if (!value_count)
unreachable("value_count is 0");
for (unsigned i = component; i < value_count + component; i++) {
LLVMValueRef value = values[i];
if (!i)
vec = LLVMGetUndef( LLVMVectorType(LLVMTypeOf(value), value_count));
LLVMValueRef index = LLVMConstInt(ctx->i32, i - component, false);
vec = LLVMBuildInsertElement(ctx->builder, vec, value, index, "");
}
return vec;
}
static LLVMValueRef
load_tcs_input(struct nir_to_llvm_context *ctx,
nir_intrinsic_instr *instr)
@ -2754,7 +2732,7 @@ load_tcs_input(struct nir_to_llvm_context *ctx,
dw_addr = LLVMBuildAdd(ctx->builder, dw_addr,
ctx->ac.i32_1, "");
}
result = build_varying_gather_values(&ctx->ac, value, instr->num_components, comp);
result = ac_build_varying_gather_values(&ctx->ac, value, instr->num_components, comp);
result = LLVMBuildBitCast(ctx->builder, result, get_def_type(ctx->nir, &instr->dest.ssa), "");
return result;
}
@ -2793,7 +2771,7 @@ load_tcs_output(struct nir_to_llvm_context *ctx,
dw_addr = LLVMBuildAdd(ctx->builder, dw_addr,
ctx->ac.i32_1, "");
}
result = build_varying_gather_values(&ctx->ac, value, instr->num_components, comp);
result = ac_build_varying_gather_values(&ctx->ac, value, instr->num_components, comp);
result = LLVMBuildBitCast(ctx->builder, result, get_def_type(ctx->nir, &instr->dest.ssa), "");
return result;
}
@ -2959,7 +2937,7 @@ load_gs_input(struct nir_to_llvm_context *ctx,
AC_FUNC_ATTR_LEGACY);
}
}
result = build_varying_gather_values(&ctx->ac, value, instr->num_components, comp);
result = ac_build_varying_gather_values(&ctx->ac, value, instr->num_components, comp);
return result;
}
@ -3100,7 +3078,7 @@ static LLVMValueRef visit_load_var(struct ac_nir_context *ctx,
default:
unreachable("unhandle variable mode");
}
ret = build_varying_gather_values(&ctx->ac, values, ve, comp);
ret = ac_build_varying_gather_values(&ctx->ac, values, ve, comp);
return LLVMBuildBitCast(ctx->ac.builder, ret, get_def_type(ctx, &instr->dest.ssa), "");
}
@ -3962,8 +3940,8 @@ static LLVMValueRef visit_interp(struct nir_to_llvm_context *ctx,
ctx->prim_mask);
}
}
return build_varying_gather_values(&ctx->ac, result, instr->num_components,
instr->variables[0]->var->data.location_frac);
return ac_build_varying_gather_values(&ctx->ac, result, instr->num_components,
instr->variables[0]->var->data.location_frac);
}
static void