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ac: add ac_build_{struct,raw}_tbuffer_store() helpers

Browse source 
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2019-03-13 14:48:53 +01:00
parent 30c2aca67f
commit 2a9d331898
2 changed files with 156 additions and 0 deletions
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127
src/amd/common/ac_llvm_build.c
View file

@ -1614,6 +1614,133 @@ ac_build_tbuffer_load_short(struct ac_llvm_context *ctx,
return LLVMBuildTrunc(ctx->builder, res, ctx->i16, "");
}
static void
ac_build_llvm8_tbuffer_store(struct ac_llvm_context *ctx,
LLVMValueRef rsrc,
LLVMValueRef vdata,
LLVMValueRef vindex,
LLVMValueRef voffset,
LLVMValueRef soffset,
unsigned num_channels,
unsigned dfmt,
unsigned nfmt,
bool glc,
bool slc,
bool writeonly_memory,
bool structurized)
{
LLVMValueRef args[7];
int idx = 0;
args[idx++] = vdata;
args[idx++] = LLVMBuildBitCast(ctx->builder, rsrc, ctx->v4i32, "");
if (structurized)
args[idx++] = vindex ? vindex : ctx->i32_0;
args[idx++] = voffset ? voffset : ctx->i32_0;
args[idx++] = soffset ? soffset : ctx->i32_0;
args[idx++] = LLVMConstInt(ctx->i32, dfmt | (nfmt << 4), 0);
args[idx++] = LLVMConstInt(ctx->i32, (glc ? 1 : 0) + (slc ? 2 : 0), 0);
unsigned func = CLAMP(num_channels, 1, 3) - 1;
const char *type_names[] = {"i32", "v2i32", "v4i32"};
const char *indexing_kind = structurized ? "struct" : "raw";
char name[256];
snprintf(name, sizeof(name), "llvm.amdgcn.%s.tbuffer.store.%s",
indexing_kind, type_names[func]);
ac_build_intrinsic(ctx, name, ctx->voidt, args, idx,
ac_get_store_intr_attribs(writeonly_memory));
}
static void
ac_build_tbuffer_store(struct ac_llvm_context *ctx,
LLVMValueRef rsrc,
LLVMValueRef vdata,
LLVMValueRef vindex,
LLVMValueRef voffset,
LLVMValueRef soffset,
LLVMValueRef immoffset,
unsigned num_channels,
unsigned dfmt,
unsigned nfmt,
bool glc,
bool slc,
bool writeonly_memory,
bool structurized) /* only matters for LLVM 8+ */
{
if (HAVE_LLVM >= 0x800) {
voffset = LLVMBuildAdd(ctx->builder,
voffset ? voffset : ctx->i32_0,
immoffset, "");
ac_build_llvm8_tbuffer_store(ctx, rsrc, vdata, vindex, voffset,
soffset, num_channels, dfmt, nfmt,
glc, slc, writeonly_memory,
structurized);
} else {
LLVMValueRef params[] = {
vdata,
rsrc,
vindex ? vindex : ctx->i32_0,
voffset ? voffset : ctx->i32_0,
soffset ? soffset : ctx->i32_0,
immoffset,
LLVMConstInt(ctx->i32, dfmt, false),
LLVMConstInt(ctx->i32, nfmt, false),
LLVMConstInt(ctx->i32, glc, false),
LLVMConstInt(ctx->i32, slc, false),
};
unsigned func = CLAMP(num_channels, 1, 3) - 1;
const char *type_names[] = {"i32", "v2i32", "v4i32"};
char name[256];
snprintf(name, sizeof(name), "llvm.amdgcn.tbuffer.store.%s",
type_names[func]);
ac_build_intrinsic(ctx, name, ctx->voidt, params, 10,
ac_get_store_intr_attribs(writeonly_memory));
}
}
void
ac_build_struct_tbuffer_store(struct ac_llvm_context *ctx,
LLVMValueRef rsrc,
LLVMValueRef vdata,
LLVMValueRef vindex,
LLVMValueRef voffset,
LLVMValueRef soffset,
LLVMValueRef immoffset,
unsigned num_channels,
unsigned dfmt,
unsigned nfmt,
bool glc,
bool slc,
bool writeonly_memory)
{
ac_build_tbuffer_store(ctx, rsrc, vdata, vindex, voffset, soffset,
immoffset, num_channels, dfmt, nfmt, glc, slc,
writeonly_memory, true);
}
void
ac_build_raw_tbuffer_store(struct ac_llvm_context *ctx,
LLVMValueRef rsrc,
LLVMValueRef vdata,
LLVMValueRef voffset,
LLVMValueRef soffset,
LLVMValueRef immoffset,
unsigned num_channels,
unsigned dfmt,
unsigned nfmt,
bool glc,
bool slc,
bool writeonly_memory)
{
ac_build_tbuffer_store(ctx, rsrc, vdata, NULL, voffset, soffset,
immoffset, num_channels, dfmt, nfmt, glc, slc,
writeonly_memory, false);
}
/**
* Set range metadata on an instruction. This can only be used on load and
* call instructions. If you know an instruction can only produce the values

29
src/amd/common/ac_llvm_build.h
View file

@ -343,6 +343,35 @@ ac_build_raw_tbuffer_load(struct ac_llvm_context *ctx,
bool slc,
bool can_speculate);
void
ac_build_struct_tbuffer_store(struct ac_llvm_context *ctx,
LLVMValueRef rsrc,
LLVMValueRef vdata,
LLVMValueRef vindex,
LLVMValueRef voffset,
LLVMValueRef soffset,
LLVMValueRef immoffset,
unsigned num_channels,
unsigned dfmt,
unsigned nfmt,
bool glc,
bool slc,
bool writeonly_memory);
void
ac_build_raw_tbuffer_store(struct ac_llvm_context *ctx,
LLVMValueRef rsrc,
LLVMValueRef vdata,
LLVMValueRef voffset,
LLVMValueRef soffset,
LLVMValueRef immoffset,
unsigned num_channels,
unsigned dfmt,
unsigned nfmt,
bool glc,
bool slc,
bool writeonly_memory);
LLVMValueRef
ac_get_thread_id(struct ac_llvm_context *ctx);