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ac: use struct/raw load intrinsics for 8-bit/16-bit int with LLVM 9+

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This changes requires LLVM r356465.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Samuel Pitoiset
2019-03-26 12:24:52 +01:00
parent 6fd5e39b60
commit 26ea506235
1 changed files with 38 additions and 12 deletions
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src/amd/common/ac_llvm_build.c
+38 -12
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@@ -1603,15 +1603,28 @@ ac_build_tbuffer_load_short(struct ac_llvm_context *ctx,
LLVMValueRef immoffset,
bool glc)
{
unsigned dfmt = V_008F0C_BUF_DATA_FORMAT_16;
unsigned nfmt = V_008F0C_BUF_NUM_FORMAT_UINT;
LLVMValueRef res;
res = ac_build_raw_tbuffer_load(ctx, rsrc, voffset, soffset,
immoffset, 1, dfmt, nfmt, glc, false,
false);
if (HAVE_LLVM >= 0x900) {
voffset = LLVMBuildAdd(ctx->builder, voffset, immoffset, "");
return LLVMBuildTrunc(ctx->builder, res, ctx->i16, "");
/* LLVM 9+ supports i8/i16 with struct/raw intrinsics. */
res = ac_build_llvm8_buffer_load_common(ctx, rsrc, NULL,
voffset, soffset,
1, ctx->i16, glc, false,
false, false, false);
} else {
unsigned dfmt = V_008F0C_BUF_DATA_FORMAT_16;
unsigned nfmt = V_008F0C_BUF_NUM_FORMAT_UINT;
res = ac_build_raw_tbuffer_load(ctx, rsrc, voffset, soffset,
immoffset, 1, dfmt, nfmt, glc, false,
false);
res = LLVMBuildTrunc(ctx->builder, res, ctx->i16, "");
}
return res;
}
LLVMValueRef
@@ -1622,15 +1635,28 @@ ac_build_tbuffer_load_byte(struct ac_llvm_context *ctx,
LLVMValueRef immoffset,
bool glc)
{
unsigned dfmt = V_008F0C_BUF_DATA_FORMAT_8;
unsigned nfmt = V_008F0C_BUF_NUM_FORMAT_UINT;
LLVMValueRef res;
res = ac_build_raw_tbuffer_load(ctx, rsrc, voffset, soffset,
immoffset, 1, dfmt, nfmt, glc, false,
false);
if (HAVE_LLVM >= 0x900) {
voffset = LLVMBuildAdd(ctx->builder, voffset, immoffset, "");
return LLVMBuildTrunc(ctx->builder, res, ctx->i8, "");
/* LLVM 9+ supports i8/i16 with struct/raw intrinsics. */
res = ac_build_llvm8_buffer_load_common(ctx, rsrc, NULL,
voffset, soffset,
1, ctx->i8, glc, false,
false, false, false);
} else {
unsigned dfmt = V_008F0C_BUF_DATA_FORMAT_8;
unsigned nfmt = V_008F0C_BUF_NUM_FORMAT_UINT;
res = ac_build_raw_tbuffer_load(ctx, rsrc, voffset, soffset,
immoffset, 1, dfmt, nfmt, glc, false,
false);
res = LLVMBuildTrunc(ctx->builder, res, ctx->i8, "");
}
return res;
}
static void
ac_build_llvm8_tbuffer_store(struct ac_llvm_context *ctx,