[Mesa-dev] [PATCH] amd: remove support for LLVM 3.9

Marek Olšák maraeo at gmail.com
Fri Feb 2 18:34:29 UTC 2018


From: Marek Olšák <marek.olsak at amd.com>

Only these are supported:
- LLVM 4.0
- LLVM 5.0
- LLVM 6.0
- master (7.0)
---
 configure.ac                                       |   4 +-
 src/amd/common/ac_llvm_build.c                     | 187 ++++++---------------
 src/amd/common/ac_llvm_helper.cpp                  |  10 --
 src/amd/common/ac_llvm_util.c                      |  39 +----
 src/amd/common/ac_llvm_util.h                      |  14 +-
 src/amd/common/ac_nir_to_llvm.c                    |  32 +---
 src/amd/vulkan/radv_device.c                       |   4 -
 src/gallium/drivers/radeonsi/si_compute.c          |   3 +-
 src/gallium/drivers/radeonsi/si_get.c              |  13 +-
 src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c  |   3 +-
 .../drivers/radeonsi/si_shader_tgsi_setup.c        |   2 -
 11 files changed, 72 insertions(+), 239 deletions(-)

diff --git a/configure.ac b/configure.ac
index a54b7cb..8ed606c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -96,22 +96,22 @@ XDAMAGE_REQUIRED=1.1
 XSHMFENCE_REQUIRED=1.1
 XVMC_REQUIRED=1.0.6
 PYTHON_MAKO_REQUIRED=0.8.0
 LIBSENSORS_REQUIRED=4.0.0
 ZLIB_REQUIRED=1.2.3
 
 dnl LLVM versions
 LLVM_REQUIRED_GALLIUM=3.3.0
 LLVM_REQUIRED_OPENCL=3.9.0
 LLVM_REQUIRED_R600=3.9.0
-LLVM_REQUIRED_RADEONSI=3.9.0
-LLVM_REQUIRED_RADV=3.9.0
+LLVM_REQUIRED_RADEONSI=4.0.0
+LLVM_REQUIRED_RADV=4.0.0
 LLVM_REQUIRED_SWR=3.9.0
 
 dnl Check for progs
 AC_PROG_CPP
 AC_PROG_CC
 AC_PROG_CXX
 dnl add this here, so the help for this environmnet variable is close to
 dnl other CC/CXX flags related help
 AC_ARG_VAR([CXX11_CXXFLAGS], [Compiler flag to enable C++11 support (only needed if not
                               enabled by default and different  from -std=c++11)])
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 6ede60a..3efcaa1 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -213,22 +213,21 @@ ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v)
 	return LLVMBuildBitCast(ctx->builder, v, ac_to_float_type(ctx, type), "");
 }
 
 
 LLVMValueRef
 ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
 		   LLVMTypeRef return_type, LLVMValueRef *params,
 		   unsigned param_count, unsigned attrib_mask)
 {
 	LLVMValueRef function, call;
-	bool set_callsite_attrs = HAVE_LLVM >= 0x0400 &&
-				  !(attrib_mask & AC_FUNC_ATTR_LEGACY);
+	bool set_callsite_attrs = !(attrib_mask & AC_FUNC_ATTR_LEGACY);
 
 	function = LLVMGetNamedFunction(ctx->module, name);
 	if (!function) {
 		LLVMTypeRef param_types[32], function_type;
 		unsigned i;
 
 		assert(param_count <= 32);
 
 		for (i = 0; i < param_count; ++i) {
 			assert(params[i]);
@@ -714,34 +713,20 @@ ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 LLVMValueRef
 ac_build_fs_interp(struct ac_llvm_context *ctx,
 		   LLVMValueRef llvm_chan,
 		   LLVMValueRef attr_number,
 		   LLVMValueRef params,
 		   LLVMValueRef i,
 		   LLVMValueRef j)
 {
 	LLVMValueRef args[5];
 	LLVMValueRef p1;
-	
-	if (HAVE_LLVM < 0x0400) {
-		LLVMValueRef ij[2];
-		ij[0] = LLVMBuildBitCast(ctx->builder, i, ctx->i32, "");
-		ij[1] = LLVMBuildBitCast(ctx->builder, j, ctx->i32, "");
-
-		args[0] = llvm_chan;
-		args[1] = attr_number;
-		args[2] = params;
-		args[3] = ac_build_gather_values(ctx, ij, 2);
-		return ac_build_intrinsic(ctx, "llvm.SI.fs.interp",
-					  ctx->f32, args, 4,
-					  AC_FUNC_ATTR_READNONE);
-	}
 
 	args[0] = i;
 	args[1] = llvm_chan;
 	args[2] = attr_number;
 	args[3] = params;
 
 	p1 = ac_build_intrinsic(ctx, "llvm.amdgcn.interp.p1",
 				ctx->f32, args, 4, AC_FUNC_ATTR_READNONE);
 
 	args[0] = p1;
@@ -755,30 +740,20 @@ ac_build_fs_interp(struct ac_llvm_context *ctx,
 }
 
 LLVMValueRef
 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 		       LLVMValueRef parameter,
 		       LLVMValueRef llvm_chan,
 		       LLVMValueRef attr_number,
 		       LLVMValueRef params)
 {
 	LLVMValueRef args[4];
-	if (HAVE_LLVM < 0x0400) {
-		args[0] = llvm_chan;
-		args[1] = attr_number;
-		args[2] = params;
-
-		return ac_build_intrinsic(ctx,
-					  "llvm.SI.fs.constant",
-					  ctx->f32, args, 3,
-					  AC_FUNC_ATTR_READNONE);
-	}
 
 	args[0] = parameter;
 	args[1] = llvm_chan;
 	args[2] = attr_number;
 	args[3] = params;
 
 	return ac_build_intrinsic(ctx, "llvm.amdgcn.interp.mov",
 				  ctx->f32, args, 4, AC_FUNC_ATTR_READNONE);
 }
 
@@ -1202,34 +1177,31 @@ ac_build_ddxy(struct ac_llvm_context *ctx,
 	result = LLVMBuildFSub(ctx->builder, trbl, tl, "");
 	return result;
 }
 
 void
 ac_build_sendmsg(struct ac_llvm_context *ctx,
 		 uint32_t msg,
 		 LLVMValueRef wave_id)
 {
 	LLVMValueRef args[2];
-	const char *intr_name = (HAVE_LLVM < 0x0400) ? "llvm.SI.sendmsg" : "llvm.amdgcn.s.sendmsg";
 	args[0] = LLVMConstInt(ctx->i32, msg, false);
 	args[1] = wave_id;
-	ac_build_intrinsic(ctx, intr_name, ctx->voidt, args, 2, 0);
+	ac_build_intrinsic(ctx, "llvm.amdgcn.s.sendmsg", ctx->voidt, args, 2, 0);
 }
 
 LLVMValueRef
 ac_build_imsb(struct ac_llvm_context *ctx,
 	      LLVMValueRef arg,
 	      LLVMTypeRef dst_type)
 {
-	const char *intr_name = (HAVE_LLVM < 0x0400) ? "llvm.AMDGPU.flbit.i32" :
-						       "llvm.amdgcn.sffbh.i32";
-	LLVMValueRef msb = ac_build_intrinsic(ctx, intr_name,
+	LLVMValueRef msb = ac_build_intrinsic(ctx, "llvm.amdgcn.sffbh.i32",
 					      dst_type, &arg, 1,
 					      AC_FUNC_ATTR_READNONE);
 
 	/* The HW returns the last bit index from MSB, but NIR/TGSI wants
 	 * the index from LSB. Invert it by doing "31 - msb". */
 	msb = LLVMBuildSub(ctx->builder, LLVMConstInt(ctx->i32, 31, false),
 			   msb, "");
 
 	LLVMValueRef all_ones = LLVMConstInt(ctx->i32, -1, true);
 	LLVMValueRef cond = LLVMBuildOr(ctx->builder,
@@ -1363,151 +1335,90 @@ void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a)
 	args[4] = LLVMConstInt(ctx->i32, a->compr, 0);
 	memcpy(args + 5, a->out, sizeof(a->out[0]) * 4);
 
 	ac_build_intrinsic(ctx, "llvm.SI.export", ctx->voidt, args, 9,
 			   AC_FUNC_ATTR_LEGACY);
 }
 
 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,
 				   struct ac_image_args *a)
 {
-	LLVMTypeRef dst_type;
 	LLVMValueRef args[11];
 	unsigned num_args = 0;
 	const char *name = NULL;
 	char intr_name[128], type[64];
 
-	if (HAVE_LLVM >= 0x0400) {
-		bool sample = a->opcode == ac_image_sample ||
-			      a->opcode == ac_image_gather4 ||
-			      a->opcode == ac_image_get_lod;
-
-		if (sample)
-			args[num_args++] = ac_to_float(ctx, a->addr);
-		else
-			args[num_args++] = a->addr;
-
-		args[num_args++] = a->resource;
-		if (sample)
-			args[num_args++] = a->sampler;
-		args[num_args++] = LLVMConstInt(ctx->i32, a->dmask, 0);
-		if (sample)
-			args[num_args++] = LLVMConstInt(ctx->i1, a->unorm, 0);
-		args[num_args++] = ctx->i1false; /* glc */
-		args[num_args++] = ctx->i1false; /* slc */
-		args[num_args++] = ctx->i1false; /* lwe */
-		args[num_args++] = LLVMConstInt(ctx->i1, a->da, 0);
-
-		switch (a->opcode) {
-		case ac_image_sample:
-			name = "llvm.amdgcn.image.sample";
-			break;
-		case ac_image_gather4:
-			name = "llvm.amdgcn.image.gather4";
-			break;
-		case ac_image_load:
-			name = "llvm.amdgcn.image.load";
-			break;
-		case ac_image_load_mip:
-			name = "llvm.amdgcn.image.load.mip";
-			break;
-		case ac_image_get_lod:
-			name = "llvm.amdgcn.image.getlod";
-			break;
-		case ac_image_get_resinfo:
-			name = "llvm.amdgcn.image.getresinfo";
-			break;
-		default:
-			unreachable("invalid image opcode");
-		}
+	bool sample = a->opcode == ac_image_sample ||
+		      a->opcode == ac_image_gather4 ||
+		      a->opcode == ac_image_get_lod;
 
-		ac_build_type_name_for_intr(LLVMTypeOf(args[0]), type,
-					    sizeof(type));
-
-		snprintf(intr_name, sizeof(intr_name), "%s%s%s%s.v4f32.%s.v8i32",
-			name,
-			a->compare ? ".c" : "",
-			a->bias ? ".b" :
-			a->lod ? ".l" :
-			a->deriv ? ".d" :
-			a->level_zero ? ".lz" : "",
-			a->offset ? ".o" : "",
-			type);
-
-		LLVMValueRef result =
-			ac_build_intrinsic(ctx, intr_name,
-					   ctx->v4f32, args, num_args,
-					   AC_FUNC_ATTR_READNONE);
-		if (!sample) {
-			result = LLVMBuildBitCast(ctx->builder, result,
-						  ctx->v4i32, "");
-		}
-		return result;
-	}
+	if (sample)
+		args[num_args++] = ac_to_float(ctx, a->addr);
+	else
+		args[num_args++] = a->addr;
 
-	args[num_args++] = a->addr;
 	args[num_args++] = a->resource;
-
-	if (a->opcode == ac_image_load ||
-	    a->opcode == ac_image_load_mip ||
-	    a->opcode == ac_image_get_resinfo) {
-		dst_type = ctx->v4i32;
-	} else {
-		dst_type = ctx->v4f32;
+	if (sample)
 		args[num_args++] = a->sampler;
-	}
-
 	args[num_args++] = LLVMConstInt(ctx->i32, a->dmask, 0);
-	args[num_args++] = LLVMConstInt(ctx->i32, a->unorm, 0);
-	args[num_args++] = LLVMConstInt(ctx->i32, 0, 0); /* r128 */
-	args[num_args++] = LLVMConstInt(ctx->i32, a->da, 0);
-	args[num_args++] = LLVMConstInt(ctx->i32, 0, 0); /* glc */
-	args[num_args++] = LLVMConstInt(ctx->i32, 0, 0); /* slc */
-	args[num_args++] = LLVMConstInt(ctx->i32, 0, 0); /* tfe */
-	args[num_args++] = LLVMConstInt(ctx->i32, 0, 0); /* lwe */
+	if (sample)
+		args[num_args++] = LLVMConstInt(ctx->i1, a->unorm, 0);
+	args[num_args++] = ctx->i1false; /* glc */
+	args[num_args++] = ctx->i1false; /* slc */
+	args[num_args++] = ctx->i1false; /* lwe */
+	args[num_args++] = LLVMConstInt(ctx->i1, a->da, 0);
 
 	switch (a->opcode) {
 	case ac_image_sample:
-		name = "llvm.SI.image.sample";
+		name = "llvm.amdgcn.image.sample";
 		break;
 	case ac_image_gather4:
-		name = "llvm.SI.gather4";
+		name = "llvm.amdgcn.image.gather4";
 		break;
 	case ac_image_load:
-		name = "llvm.SI.image.load";
+		name = "llvm.amdgcn.image.load";
 		break;
 	case ac_image_load_mip:
-		name = "llvm.SI.image.load.mip";
+		name = "llvm.amdgcn.image.load.mip";
 		break;
 	case ac_image_get_lod:
-		name = "llvm.SI.getlod";
+		name = "llvm.amdgcn.image.getlod";
 		break;
 	case ac_image_get_resinfo:
-		name = "llvm.SI.getresinfo";
+		name = "llvm.amdgcn.image.getresinfo";
 		break;
+	default:
+		unreachable("invalid image opcode");
 	}
 
-	ac_build_type_name_for_intr(LLVMTypeOf(a->addr), type, sizeof(type));
-	snprintf(intr_name, sizeof(intr_name), "%s%s%s%s.%s",
+	ac_build_type_name_for_intr(LLVMTypeOf(args[0]), type,
+				    sizeof(type));
+
+	snprintf(intr_name, sizeof(intr_name), "%s%s%s%s.v4f32.%s.v8i32",
 		name,
 		a->compare ? ".c" : "",
 		a->bias ? ".b" :
 		a->lod ? ".l" :
 		a->deriv ? ".d" :
 		a->level_zero ? ".lz" : "",
 		a->offset ? ".o" : "",
 		type);
 
-	return ac_build_intrinsic(ctx, intr_name,
-				  dst_type, args, num_args,
-				  AC_FUNC_ATTR_READNONE |
-				  AC_FUNC_ATTR_LEGACY);
+	LLVMValueRef result =
+		ac_build_intrinsic(ctx, intr_name,
+				   ctx->v4f32, args, num_args,
+				   AC_FUNC_ATTR_READNONE);
+	if (!sample) {
+		result = LLVMBuildBitCast(ctx->builder, result,
+					  ctx->v4i32, "");
+	}
+	return result;
 }
 
 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 				    LLVMValueRef args[2])
 {
 	if (HAVE_LLVM >= 0x0500) {
 		LLVMTypeRef v2f16 =
 			LLVMVectorType(LLVMHalfTypeInContext(ctx->context), 2);
 		LLVMValueRef res =
 			ac_build_intrinsic(ctx, "llvm.amdgcn.cvt.pkrtz",
@@ -1731,33 +1642,29 @@ void ac_get_image_intr_name(const char *base_name,
 			    LLVMTypeRef data_type,
 			    LLVMTypeRef coords_type,
 			    LLVMTypeRef rsrc_type,
 			    char *out_name, unsigned out_len)
 {
         char coords_type_name[8];
 
         ac_build_type_name_for_intr(coords_type, coords_type_name,
                             sizeof(coords_type_name));
 
-        if (HAVE_LLVM <= 0x0309) {
-                snprintf(out_name, out_len, "%s.%s", base_name, coords_type_name);
-        } else {
-                char data_type_name[8];
-                char rsrc_type_name[8];
-
-                ac_build_type_name_for_intr(data_type, data_type_name,
-                                        sizeof(data_type_name));
-                ac_build_type_name_for_intr(rsrc_type, rsrc_type_name,
-                                        sizeof(rsrc_type_name));
-                snprintf(out_name, out_len, "%s.%s.%s.%s", base_name,
-                         data_type_name, coords_type_name, rsrc_type_name);
-        }
+	char data_type_name[8];
+	char rsrc_type_name[8];
+
+	ac_build_type_name_for_intr(data_type, data_type_name,
+				    sizeof(data_type_name));
+	ac_build_type_name_for_intr(rsrc_type, rsrc_type_name,
+				    sizeof(rsrc_type_name));
+	snprintf(out_name, out_len, "%s.%s.%s.%s", base_name,
+		 data_type_name, coords_type_name, rsrc_type_name);
 }
 
 #define AC_EXP_TARGET (HAVE_LLVM >= 0x0500 ? 0 : 3)
 #define AC_EXP_OUT0 (HAVE_LLVM >= 0x0500 ? 2 : 5)
 
 enum ac_ir_type {
 	AC_IR_UNDEF,
 	AC_IR_CONST,
 	AC_IR_VALUE,
 };
diff --git a/src/amd/common/ac_llvm_helper.cpp b/src/amd/common/ac_llvm_helper.cpp
index 793737c..1d2369b 100644
--- a/src/amd/common/ac_llvm_helper.cpp
+++ b/src/amd/common/ac_llvm_helper.cpp
@@ -58,54 +58,44 @@ void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes)
 bool ac_is_sgpr_param(LLVMValueRef arg)
 {
 	llvm::Argument *A = llvm::unwrap<llvm::Argument>(arg);
 	llvm::AttributeList AS = A->getParent()->getAttributes();
 	unsigned ArgNo = A->getArgNo();
 	return AS.hasAttribute(ArgNo + 1, llvm::Attribute::InReg);
 }
 
 LLVMValueRef ac_llvm_get_called_value(LLVMValueRef call)
 {
-#if HAVE_LLVM >= 0x0309
 	return LLVMGetCalledValue(call);
-#else
-	return llvm::wrap(llvm::CallSite(llvm::unwrap<llvm::Instruction>(call)).getCalledValue());
-#endif
 }
 
 bool ac_llvm_is_function(LLVMValueRef v)
 {
-#if HAVE_LLVM >= 0x0309
 	return LLVMGetValueKind(v) == LLVMFunctionValueKind;
-#else
-	return llvm::isa<llvm::Function>(llvm::unwrap(v));
-#endif
 }
 
 LLVMBuilderRef ac_create_builder(LLVMContextRef ctx,
 				 enum ac_float_mode float_mode)
 {
 	LLVMBuilderRef builder = LLVMCreateBuilderInContext(ctx);
 
-#if HAVE_LLVM >= 0x0308
 	llvm::FastMathFlags flags;
 
 	switch (float_mode) {
 	case AC_FLOAT_MODE_DEFAULT:
 		break;
 	case AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH:
 		flags.setNoSignedZeros();
 		llvm::unwrap(builder)->setFastMathFlags(flags);
 		break;
 	case AC_FLOAT_MODE_UNSAFE_FP_MATH:
 #if HAVE_LLVM >= 0x0600
 		flags.setFast();
 #else
 		flags.setUnsafeAlgebra();
 #endif
 		llvm::unwrap(builder)->setFastMathFlags(flags);
 		break;
 	}
-#endif
 
 	return builder;
 }
diff --git a/src/amd/common/ac_llvm_util.c b/src/amd/common/ac_llvm_util.c
index 5fd785a..b88c4e4 100644
--- a/src/amd/common/ac_llvm_util.c
+++ b/src/amd/common/ac_llvm_util.c
@@ -39,26 +39,25 @@ static void ac_init_llvm_target()
 	LLVMInitializeAMDGPUTarget();
 	LLVMInitializeAMDGPUTargetMC();
 	LLVMInitializeAMDGPUAsmPrinter();
 
 	/* For inline assembly. */
 	LLVMInitializeAMDGPUAsmParser();
 
 	/* Workaround for bug in llvm 4.0 that causes image intrinsics
 	 * to disappear.
 	 * https://reviews.llvm.org/D26348
+	 *
+	 * "mesa" is the prefix for error messages.
 	 */
-	if (HAVE_LLVM >= 0x0400) {
-		/* "mesa" is the prefix for error messages */
-		const char *argv[2] = { "mesa", "-simplifycfg-sink-common=false" };
-		LLVMParseCommandLineOptions(2, argv, NULL);
-	}
+	const char *argv[2] = { "mesa", "-simplifycfg-sink-common=false" };
+	LLVMParseCommandLineOptions(2, argv, NULL);
 }
 
 static once_flag ac_init_llvm_target_once_flag = ONCE_FLAG_INIT;
 
 LLVMTargetRef ac_get_llvm_target(const char *triple)
 {
 	LLVMTargetRef target = NULL;
 	char *err_message = NULL;
 
 	call_once(&ac_init_llvm_target_once_flag, ac_init_llvm_target);
@@ -139,81 +138,51 @@ LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family, enum ac
 	                             triple,
 	                             ac_get_llvm_processor_name(family),
 				     features,
 	                             LLVMCodeGenLevelDefault,
 	                             LLVMRelocDefault,
 	                             LLVMCodeModelDefault);
 
 	return tm;
 }
 
-
-#if HAVE_LLVM < 0x0400
-static LLVMAttribute ac_attr_to_llvm_attr(enum ac_func_attr attr)
-{
-   switch (attr) {
-   case AC_FUNC_ATTR_ALWAYSINLINE: return LLVMAlwaysInlineAttribute;
-   case AC_FUNC_ATTR_INREG: return LLVMInRegAttribute;
-   case AC_FUNC_ATTR_NOALIAS: return LLVMNoAliasAttribute;
-   case AC_FUNC_ATTR_NOUNWIND: return LLVMNoUnwindAttribute;
-   case AC_FUNC_ATTR_READNONE: return LLVMReadNoneAttribute;
-   case AC_FUNC_ATTR_READONLY: return LLVMReadOnlyAttribute;
-   default:
-	   fprintf(stderr, "Unhandled function attribute: %x\n", attr);
-	   return 0;
-   }
-}
-
-#else
-
 static const char *attr_to_str(enum ac_func_attr attr)
 {
    switch (attr) {
    case AC_FUNC_ATTR_ALWAYSINLINE: return "alwaysinline";
    case AC_FUNC_ATTR_INREG: return "inreg";
    case AC_FUNC_ATTR_NOALIAS: return "noalias";
    case AC_FUNC_ATTR_NOUNWIND: return "nounwind";
    case AC_FUNC_ATTR_READNONE: return "readnone";
    case AC_FUNC_ATTR_READONLY: return "readonly";
    case AC_FUNC_ATTR_WRITEONLY: return "writeonly";
    case AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY: return "inaccessiblememonly";
    case AC_FUNC_ATTR_CONVERGENT: return "convergent";
    default:
 	   fprintf(stderr, "Unhandled function attribute: %x\n", attr);
 	   return 0;
    }
 }
 
-#endif
-
 void
 ac_add_function_attr(LLVMContextRef ctx, LLVMValueRef function,
                      int attr_idx, enum ac_func_attr attr)
 {
-#if HAVE_LLVM < 0x0400
-   LLVMAttribute llvm_attr = ac_attr_to_llvm_attr(attr);
-   if (attr_idx == -1) {
-      LLVMAddFunctionAttr(function, llvm_attr);
-   } else {
-      LLVMAddAttribute(LLVMGetParam(function, attr_idx - 1), llvm_attr);
-   }
-#else
    const char *attr_name = attr_to_str(attr);
    unsigned kind_id = LLVMGetEnumAttributeKindForName(attr_name,
                                                       strlen(attr_name));
    LLVMAttributeRef llvm_attr = LLVMCreateEnumAttribute(ctx, kind_id, 0);
 
    if (LLVMIsAFunction(function))
       LLVMAddAttributeAtIndex(function, attr_idx, llvm_attr);
    else
       LLVMAddCallSiteAttribute(function, attr_idx, llvm_attr);
-#endif
 }
 
 void ac_add_func_attributes(LLVMContextRef ctx, LLVMValueRef function,
 			    unsigned attrib_mask)
 {
 	attrib_mask |= AC_FUNC_ATTR_NOUNWIND;
 	attrib_mask &= ~AC_FUNC_ATTR_LEGACY;
 
 	while (attrib_mask) {
 		enum ac_func_attr attr = 1u << u_bit_scan(&attrib_mask);
diff --git a/src/amd/common/ac_llvm_util.h b/src/amd/common/ac_llvm_util.h
index 29dc0c1..3cf385a 100644
--- a/src/amd/common/ac_llvm_util.h
+++ b/src/amd/common/ac_llvm_util.h
@@ -35,23 +35,23 @@
 extern "C" {
 #endif
 
 enum ac_func_attr {
 	AC_FUNC_ATTR_ALWAYSINLINE = (1 << 0),
 	AC_FUNC_ATTR_INREG        = (1 << 2),
 	AC_FUNC_ATTR_NOALIAS      = (1 << 3),
 	AC_FUNC_ATTR_NOUNWIND     = (1 << 4),
 	AC_FUNC_ATTR_READNONE     = (1 << 5),
 	AC_FUNC_ATTR_READONLY     = (1 << 6),
-	AC_FUNC_ATTR_WRITEONLY    = HAVE_LLVM >= 0x0400 ? (1 << 7) : 0,
-	AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY = HAVE_LLVM >= 0x0400 ? (1 << 8) : 0,
-	AC_FUNC_ATTR_CONVERGENT = HAVE_LLVM >= 0x0400 ? (1 << 9) : 0,
+	AC_FUNC_ATTR_WRITEONLY    = (1 << 7),
+	AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY = (1 << 8),
+	AC_FUNC_ATTR_CONVERGENT = (1 << 9),
 
 	/* Legacy intrinsic that needs attributes on function declarations
 	 * and they must match the internal LLVM definition exactly, otherwise
 	 * intrinsic selection fails.
 	 */
 	AC_FUNC_ATTR_LEGACY       = (1u << 31),
 };
 
 enum ac_target_machine_options {
 	AC_TM_SUPPORTS_SPILL = (1 << 0),
@@ -87,28 +87,26 @@ LLVMBuilderRef ac_create_builder(LLVMContextRef ctx,
 
 void
 ac_llvm_add_target_dep_function_attr(LLVMValueRef F,
 				     const char *name, int value);
 
 static inline unsigned
 ac_get_load_intr_attribs(bool can_speculate)
 {
 	/* READNONE means writes can't affect it, while READONLY means that
 	 * writes can affect it. */
-	return can_speculate && HAVE_LLVM >= 0x0400 ?
-				 AC_FUNC_ATTR_READNONE :
-				 AC_FUNC_ATTR_READONLY;
+	return can_speculate ? AC_FUNC_ATTR_READNONE :
+			       AC_FUNC_ATTR_READONLY;
 }
 
 static inline unsigned
 ac_get_store_intr_attribs(bool writeonly_memory)
 {
-	return writeonly_memory && HAVE_LLVM >= 0x0400 ?
-				  AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY :
+	return writeonly_memory ? AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY :
 				  AC_FUNC_ATTR_WRITEONLY;
 }
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* AC_LLVM_UTIL_H */
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 0f7d625..cfcd217 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -3628,32 +3628,24 @@ static LLVMValueRef visit_image_load(struct ac_nir_context *ctx,
 			     dim == GLSL_SAMPLER_DIM_3D ||
 			     dim == GLSL_SAMPLER_DIM_SUBPASS ||
 			     dim == GLSL_SAMPLER_DIM_SUBPASS_MS;
 		LLVMValueRef da = is_da ? ctx->ac.i1true : ctx->ac.i1false;
 		LLVMValueRef glc = ctx->ac.i1false;
 		LLVMValueRef slc = ctx->ac.i1false;
 
 		params[0] = get_image_coords(ctx, instr);
 		params[1] = get_sampler_desc(ctx, instr->variables[0], AC_DESC_IMAGE, NULL, true, false);
 		params[2] = LLVMConstInt(ctx->ac.i32, 15, false); /* dmask */
-		if (HAVE_LLVM <= 0x0309) {
-			params[3] = ctx->ac.i1false;  /* r128 */
-			params[4] = da;
-			params[5] = glc;
-			params[6] = slc;
-		} else {
-			LLVMValueRef lwe = ctx->ac.i1false;
-			params[3] = glc;
-			params[4] = slc;
-			params[5] = lwe;
-			params[6] = da;
-		}
+		params[3] = glc;
+		params[4] = slc;
+		params[5] = ctx->ac.i1false;
+		params[6] = da;
 
 		ac_get_image_intr_name("llvm.amdgcn.image.load",
 				       ctx->ac.v4f32, /* vdata */
 				       LLVMTypeOf(params[0]), /* coords */
 				       LLVMTypeOf(params[1]), /* rsrc */
 				       intrinsic_name, sizeof(intrinsic_name));
 
 		res = ac_build_intrinsic(&ctx->ac, intrinsic_name, ctx->ac.v4f32,
 					 params, 7, AC_FUNC_ATTR_READONLY);
 	}
@@ -3687,32 +3679,24 @@ static void visit_image_store(struct ac_nir_context *ctx,
 		bool is_da = glsl_sampler_type_is_array(type) ||
 			     dim == GLSL_SAMPLER_DIM_CUBE ||
 			     dim == GLSL_SAMPLER_DIM_3D;
 		LLVMValueRef da = is_da ? ctx->ac.i1true : ctx->ac.i1false;
 		LLVMValueRef slc = ctx->ac.i1false;
 
 		params[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[2]));
 		params[1] = get_image_coords(ctx, instr); /* coords */
 		params[2] = get_sampler_desc(ctx, instr->variables[0], AC_DESC_IMAGE, NULL, true, true);
 		params[3] = LLVMConstInt(ctx->ac.i32, 15, false); /* dmask */
-		if (HAVE_LLVM <= 0x0309) {
-			params[4] = ctx->ac.i1false;  /* r128 */
-			params[5] = da;
-			params[6] = glc;
-			params[7] = slc;
-		} else {
-			LLVMValueRef lwe = ctx->ac.i1false;
-			params[4] = glc;
-			params[5] = slc;
-			params[6] = lwe;
-			params[7] = da;
-		}
+		params[4] = glc;
+		params[5] = slc;
+		params[6] = ctx->ac.i1false;
+		params[7] = da;
 
 		ac_get_image_intr_name("llvm.amdgcn.image.store",
 				       LLVMTypeOf(params[0]), /* vdata */
 				       LLVMTypeOf(params[1]), /* coords */
 				       LLVMTypeOf(params[2]), /* rsrc */
 				       intrinsic_name, sizeof(intrinsic_name));
 
 		ac_build_intrinsic(&ctx->ac, intrinsic_name, ctx->ac.voidt,
 				   params, 8, 0);
 	}
diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index aea723c..9fda419 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -1106,25 +1106,21 @@ VkResult radv_CreateDevice(
 	device->pbb_allowed = device->physical_device->rad_info.chip_class >= GFX9 &&
 	                      (device->instance->perftest_flags & RADV_PERFTEST_BINNING);
 
 	/* Disabled and not implemented for now. */
 	device->dfsm_allowed = device->pbb_allowed && false;
 
 #ifdef ANDROID
 	device->always_use_syncobj = device->physical_device->rad_info.has_syncobj_wait_for_submit;
 #endif
 
-#if HAVE_LLVM < 0x0400
-	device->llvm_supports_spill = false;
-#else
 	device->llvm_supports_spill = true;
-#endif
 
 	/* The maximum number of scratch waves. Scratch space isn't divided
 	 * evenly between CUs. The number is only a function of the number of CUs.
 	 * We can decrease the constant to decrease the scratch buffer size.
 	 *
 	 * sctx->scratch_waves must be >= the maximum posible size of
 	 * 1 threadgroup, so that the hw doesn't hang from being unable
 	 * to start any.
 	 *
 	 * The recommended value is 4 per CU at most. Higher numbers don't
diff --git a/src/gallium/drivers/radeonsi/si_compute.c b/src/gallium/drivers/radeonsi/si_compute.c
index ac4fab3..91d6810 100644
--- a/src/gallium/drivers/radeonsi/si_compute.c
+++ b/src/gallium/drivers/radeonsi/si_compute.c
@@ -152,22 +152,21 @@ static void *si_create_compute_state(
 	struct si_context *sctx = (struct si_context *)ctx;
 	struct si_screen *sscreen = (struct si_screen *)ctx->screen;
 	struct si_compute *program = CALLOC_STRUCT(si_compute);
 
 	pipe_reference_init(&program->reference, 1);
 	program->screen = (struct si_screen *)ctx->screen;
 	program->ir_type = cso->ir_type;
 	program->local_size = cso->req_local_mem;
 	program->private_size = cso->req_private_mem;
 	program->input_size = cso->req_input_mem;
-	program->use_code_object_v2 = HAVE_LLVM >= 0x0400 &&
-					cso->ir_type == PIPE_SHADER_IR_NATIVE;
+	program->use_code_object_v2 = cso->ir_type == PIPE_SHADER_IR_NATIVE;
 
 	if (cso->ir_type == PIPE_SHADER_IR_TGSI) {
 		program->tokens = tgsi_dup_tokens(cso->prog);
 		if (!program->tokens) {
 			FREE(program);
 			return NULL;
 		}
 
 		program->compiler_ctx_state.debug = sctx->debug;
 		program->compiler_ctx_state.is_debug_context = sctx->is_debug;
diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c
index 36e6018..46d5eee 100644
--- a/src/gallium/drivers/radeonsi/si_get.c
+++ b/src/gallium/drivers/radeonsi/si_get.c
@@ -182,24 +182,22 @@ static int si_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_MEMOBJ:
 	case PIPE_CAP_LOAD_CONSTBUF:
 	case PIPE_CAP_INT64:
 	case PIPE_CAP_INT64_DIVMOD:
 	case PIPE_CAP_TGSI_CLOCK:
 	case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
 	case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
 	case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
 	case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 	case PIPE_CAP_TGSI_FS_FBFETCH:
-		return 1;
-
 	case PIPE_CAP_TGSI_VOTE:
-		return HAVE_LLVM >= 0x0400;
+		return 1;
 
 	case PIPE_CAP_TGSI_BALLOT:
 		return HAVE_LLVM >= 0x0500;
 
 	case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 		return !SI_BIG_ENDIAN && sscreen->info.has_userptr;
 
 	case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 		return (sscreen->info.drm_major == 2 &&
 			sscreen->info.drm_minor >= 43) ||
@@ -737,28 +735,23 @@ static unsigned get_max_threads_per_block(struct si_screen *screen,
 static int si_get_compute_param(struct pipe_screen *screen,
 				enum pipe_shader_ir ir_type,
 				enum pipe_compute_cap param,
 				void *ret)
 {
 	struct si_screen *sscreen = (struct si_screen *)screen;
 
 	//TODO: select these params by asic
 	switch (param) {
 	case PIPE_COMPUTE_CAP_IR_TARGET: {
-		const char *gpu;
-		const char *triple;
-
-		if (HAVE_LLVM < 0x0400)
-			triple = "amdgcn--";
-		else
-			triple = "amdgcn-mesa-mesa3d";
+		const char *gpu, *triple;
 
+		triple = "amdgcn-mesa-mesa3d";
 		gpu = ac_get_llvm_processor_name(sscreen->info.family);
 		if (ret) {
 			sprintf(ret, "%s-%s", gpu, triple);
 		}
 		/* +2 for dash and terminating NIL byte */
 		return (strlen(triple) + strlen(gpu) + 2) * sizeof(char);
 	}
 	case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 		if (ret) {
 			uint64_t *grid_dimension = ret;
diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
index b5fad34..ec1de40 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
@@ -289,31 +289,30 @@ static void image_append_args(
 	LLVMValueRef i1true = LLVMConstInt(ctx->i1, 1, 0);
 	LLVMValueRef r128 = i1false;
 	LLVMValueRef da = tgsi_is_array_image(target) ? i1true : i1false;
 	LLVMValueRef glc =
 		force_glc ||
 		inst->Memory.Qualifier & (TGSI_MEMORY_COHERENT | TGSI_MEMORY_VOLATILE) ?
 		i1true : i1false;
 	LLVMValueRef slc = i1false;
 	LLVMValueRef lwe = i1false;
 
-	if (atomic || (HAVE_LLVM <= 0x0309)) {
+	if (atomic) {
 		emit_data->args[emit_data->arg_count++] = r128;
 		emit_data->args[emit_data->arg_count++] = da;
 		if (!atomic) {
 			emit_data->args[emit_data->arg_count++] = glc;
 		}
 		emit_data->args[emit_data->arg_count++] = slc;
 		return;
 	}
 
-	/* HAVE_LLVM >= 0x0400 */
 	emit_data->args[emit_data->arg_count++] = glc;
 	emit_data->args[emit_data->arg_count++] = slc;
 	emit_data->args[emit_data->arg_count++] = lwe;
 	emit_data->args[emit_data->arg_count++] = da;
 }
 
 /**
  * Append the resource and indexing arguments for buffer intrinsics.
  *
  * \param rsrc the v4i32 buffer resource
diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
index f70e2bd..44294f2 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
@@ -1371,24 +1371,22 @@ void si_llvm_optimize_module(struct si_shader_context *ctx)
 	LLVMAddAlwaysInlinerPass(gallivm->passmgr);
 
 	/* This pass should eliminate all the load and store instructions */
 	LLVMAddPromoteMemoryToRegisterPass(gallivm->passmgr);
 
 	/* Add some optimization passes */
 	LLVMAddScalarReplAggregatesPass(gallivm->passmgr);
 	LLVMAddLICMPass(gallivm->passmgr);
 	LLVMAddAggressiveDCEPass(gallivm->passmgr);
 	LLVMAddCFGSimplificationPass(gallivm->passmgr);
-#if HAVE_LLVM >= 0x0400
 	/* This is recommended by the instruction combining pass. */
 	LLVMAddEarlyCSEMemSSAPass(gallivm->passmgr);
-#endif
 	LLVMAddInstructionCombiningPass(gallivm->passmgr);
 
 	/* Run the pass */
 	LLVMRunPassManager(gallivm->passmgr, ctx->gallivm.module);
 
 	LLVMDisposeBuilder(ctx->ac.builder);
 	LLVMDisposePassManager(gallivm->passmgr);
 	gallivm_dispose_target_library_info(target_library_info);
 }
 
-- 
2.7.4



More information about the mesa-dev mailing list