ac,radv,radeonsi: remove LLVM 7 support

Now that LLVM 9 will be released soon, we will only support
LLVM 8, 9 and master (10).

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

14 files changed, 66 insertions, 321 deletions

diff --git a/meson.build b/meson.build
index bf61511d2920..501957e35e1a 100644
--- a/meson.build
+++ b/meson.build
@@ -1243,7 +1243,7 @@ if with_gallium_opencl
 endif
 
 if with_amd_vk or with_gallium_radeonsi
-  _llvm_version = '>= 7.0.0'
+  _llvm_version = '>= 8.0.0'
 elif with_gallium_swr
   _llvm_version = '>= 6.0.0'
 elif with_gallium_opencl or with_gallium_r600
diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index 9ec7359ed79a..b02f1471463b 100644
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -487,8 +487,7 @@ bool ac_query_gpu_info(int fd, void *dev_p,
 	}
 
 	info->has_gds_ordered_append = info->chip_class >= GFX7 &&
-				       info->drm_minor >= 29 &&
-				       HAVE_LLVM >= 0x0800;
+				       info->drm_minor >= 29;
 	return true;
 }
 
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 5abae00d8f60..1a891cc0d1f8 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -492,7 +492,6 @@ LLVMValueRef ac_get_i1_sgpr_mask(struct ac_llvm_context *ctx,
 		LLVMConstInt(ctx->i32, LLVMIntNE, 0),
 	};
 
-	assert(HAVE_LLVM >= 0x0800);
 	return ac_build_intrinsic(ctx, name, ctx->i64, args, 3,
 				  AC_FUNC_ATTR_NOUNWIND |
 				  AC_FUNC_ATTR_READNONE |
@@ -1151,41 +1150,6 @@ static unsigned get_load_cache_policy(struct ac_llvm_context *ctx,
 }
 
 static void
-ac_build_llvm7_buffer_store_common(struct ac_llvm_context *ctx,
-				   LLVMValueRef rsrc,
-				   LLVMValueRef data,
-				   LLVMValueRef vindex,
-				   LLVMValueRef voffset,
-				   unsigned num_channels,
-				   unsigned cache_policy,
-				   bool use_format)
-{
-	LLVMValueRef args[] = {
-		data,
-		LLVMBuildBitCast(ctx->builder, rsrc, ctx->v4i32, ""),
-		vindex ? vindex : ctx->i32_0,
-		voffset,
-		LLVMConstInt(ctx->i1, !!(cache_policy & ac_glc), 0),
-		LLVMConstInt(ctx->i1, !!(cache_policy & ac_slc), 0)
-	};
-	unsigned func = CLAMP(num_channels, 1, 3) - 1;
-
-	const char *type_names[] = {"f32", "v2f32", "v4f32"};
-	char name[256];
-
-	if (use_format) {
-		snprintf(name, sizeof(name), "llvm.amdgcn.buffer.store.format.%s",
-			 type_names[func]);
-	} else {
-		snprintf(name, sizeof(name), "llvm.amdgcn.buffer.store.%s",
-			 type_names[func]);
-	}
-
-	ac_build_intrinsic(ctx, name, ctx->voidt, args, ARRAY_SIZE(args),
-			   AC_FUNC_ATTR_INACCESSIBLE_MEM_ONLY);
-}
-
-static void
 ac_build_llvm8_buffer_store_common(struct ac_llvm_context *ctx,
 				   LLVMValueRef rsrc,
 				   LLVMValueRef data,
@@ -1235,16 +1199,10 @@ ac_build_buffer_store_format(struct ac_llvm_context *ctx,
 			     unsigned num_channels,
 			     unsigned cache_policy)
 {
-	if (HAVE_LLVM >= 0x800) {
-		ac_build_llvm8_buffer_store_common(ctx, rsrc, data, vindex,
-						   voffset, NULL, num_channels,
-						   ctx->f32, cache_policy,
-						   true, true);
-	} else {
-		ac_build_llvm7_buffer_store_common(ctx, rsrc, data, vindex, voffset,
-						   num_channels, cache_policy,
-						   true);
-	}
+	ac_build_llvm8_buffer_store_common(ctx, rsrc, data, vindex,
+					   voffset, NULL, num_channels,
+					   ctx->f32, cache_policy,
+					   true, true);
 }
 
 /* TBUFFER_STORE_FORMAT_{X,XY,XYZ,XYZW} <- the suffix is selected by num_channels=1..4.
@@ -1294,25 +1252,14 @@ ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 			offset = LLVMBuildAdd(ctx->builder, offset,
 					      LLVMConstInt(ctx->i32, inst_offset, 0), "");
 
-		if (HAVE_LLVM >= 0x800) {
-			ac_build_llvm8_buffer_store_common(ctx, rsrc,
-							   ac_to_float(ctx, vdata),
-							   ctx->i32_0,
-							   voffset, offset,
-							   num_channels,
-							   ctx->f32,
-							   cache_policy,
-							   false, false);
-		} else {
-			if (voffset)
-				offset = LLVMBuildAdd(ctx->builder, offset, voffset, "");
-
-			ac_build_llvm7_buffer_store_common(ctx, rsrc,
-							   ac_to_float(ctx, vdata),
-							   ctx->i32_0, offset,
-							   num_channels, cache_policy,
-							   false);
-		}
+		ac_build_llvm8_buffer_store_common(ctx, rsrc,
+						   ac_to_float(ctx, vdata),
+						   ctx->i32_0,
+						   voffset, offset,
+						   num_channels,
+						   ctx->f32,
+						   cache_policy,
+						   false, false);
 		return;
 	}
 
@@ -1331,42 +1278,6 @@ ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 }
 
 static LLVMValueRef
-ac_build_llvm7_buffer_load_common(struct ac_llvm_context *ctx,
-				  LLVMValueRef rsrc,
-				  LLVMValueRef vindex,
-				  LLVMValueRef voffset,
-				  unsigned num_channels,
-				  unsigned cache_policy,
-				  bool can_speculate,
-				  bool use_format)
-{
-	LLVMValueRef args[] = {
-		LLVMBuildBitCast(ctx->builder, rsrc, ctx->v4i32, ""),
-		vindex ? vindex : ctx->i32_0,
-		voffset,
-		LLVMConstInt(ctx->i1, !!(cache_policy & ac_glc), 0),
-		LLVMConstInt(ctx->i1, !!(cache_policy & ac_slc), 0)
-	};
-	unsigned func = CLAMP(num_channels, 1, 3) - 1;
-
-	LLVMTypeRef types[] = {ctx->f32, ctx->v2f32, ctx->v4f32};
-	const char *type_names[] = {"f32", "v2f32", "v4f32"};
-	char name[256];
-
-	if (use_format) {
-		snprintf(name, sizeof(name), "llvm.amdgcn.buffer.load.format.%s",
-			 type_names[func]);
-	} else {
-		snprintf(name, sizeof(name), "llvm.amdgcn.buffer.load.%s",
-			 type_names[func]);
-	}
-
-	return ac_build_intrinsic(ctx, name, types[func], args,
-				  ARRAY_SIZE(args),
-				  ac_get_load_intr_attribs(can_speculate));
-}
-
-static LLVMValueRef
 ac_build_llvm8_buffer_load_common(struct ac_llvm_context *ctx,
 				  LLVMValueRef rsrc,
 				  LLVMValueRef vindex,
@@ -1425,7 +1336,7 @@ ac_build_buffer_load(struct ac_llvm_context *ctx,
 		offset = LLVMBuildAdd(ctx->builder, offset, soffset, "");
 
 	if (allow_smem && !(cache_policy & ac_slc) &&
-	    (!(cache_policy & ac_glc) || (HAVE_LLVM >= 0x0800 && ctx->chip_class >= GFX8))) {
+	    (!(cache_policy & ac_glc) || ctx->chip_class >= GFX8)) {
 		assert(vindex == NULL);
 
 		LLVMValueRef result[8];
@@ -1435,19 +1346,15 @@ ac_build_buffer_load(struct ac_llvm_context *ctx,
 				offset = LLVMBuildAdd(ctx->builder, offset,
 						      LLVMConstInt(ctx->i32, 4, 0), "");
 			}
-			const char *intrname =
-				HAVE_LLVM >= 0x0800 ? "llvm.amdgcn.s.buffer.load.f32"
-						    : "llvm.SI.load.const.v4i32";
-			unsigned num_args = HAVE_LLVM >= 0x0800 ? 3 : 2;
 			LLVMValueRef args[3] = {
 				rsrc,
 				offset,
 				LLVMConstInt(ctx->i32, get_load_cache_policy(ctx, cache_policy), 0),
 			};
-			result[i] = ac_build_intrinsic(ctx, intrname,
-						       ctx->f32, args, num_args,
-						       AC_FUNC_ATTR_READNONE |
-						       (HAVE_LLVM < 0x0800 ? AC_FUNC_ATTR_LEGACY : 0));
+			result[i] = ac_build_intrinsic(ctx,
+						       "llvm.amdgcn.s.buffer.load.f32",
+						       ctx->f32, args, 3,
+						       AC_FUNC_ATTR_READNONE);
 		}
 		if (num_channels == 1)
 			return result[0];
@@ -1457,18 +1364,11 @@ ac_build_buffer_load(struct ac_llvm_context *ctx,
 		return ac_build_gather_values(ctx, result, num_channels);
 	}
 
-	if (HAVE_LLVM >= 0x0800) {
-		return ac_build_llvm8_buffer_load_common(ctx, rsrc, vindex,
-							 offset, ctx->i32_0,
-							 num_channels, ctx->f32,
-							 cache_policy,
-							 can_speculate, false,
-							 false);
-	}
-
-	return ac_build_llvm7_buffer_load_common(ctx, rsrc, vindex, offset,
-						 num_channels, cache_policy,
-						 can_speculate, false);
+	return ac_build_llvm8_buffer_load_common(ctx, rsrc, vindex,
+						 offset, ctx->i32_0,
+						 num_channels, ctx->f32,
+						 cache_policy,
+						 can_speculate, false, false);
 }
 
 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
@@ -1479,44 +1379,9 @@ LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 					 unsigned cache_policy,
 					 bool can_speculate)
 {
-	if (HAVE_LLVM >= 0x800) {
-		return ac_build_llvm8_buffer_load_common(ctx, rsrc, vindex, voffset, ctx->i32_0,
-							 num_channels, ctx->f32,
-							 cache_policy, can_speculate, true, true);
-	}
-	return ac_build_llvm7_buffer_load_common(ctx, rsrc, vindex, voffset,
-						 num_channels, cache_policy,
-						 can_speculate, true);
-}
-
-LLVMValueRef ac_build_buffer_load_format_gfx9_safe(struct ac_llvm_context *ctx,
-                                                  LLVMValueRef rsrc,
-                                                  LLVMValueRef vindex,
-                                                  LLVMValueRef voffset,
-                                                  unsigned num_channels,
-                                                  unsigned cache_policy,
-                                                  bool can_speculate)
-{
-	if (HAVE_LLVM >= 0x800) {
-		return ac_build_llvm8_buffer_load_common(ctx, rsrc, vindex, voffset, ctx->i32_0,
-							 num_channels, ctx->f32,
-							 cache_policy, can_speculate, true, true);
-	}
-
-	LLVMValueRef elem_count = LLVMBuildExtractElement(ctx->builder, rsrc, LLVMConstInt(ctx->i32, 2, 0), "");
-	LLVMValueRef stride = LLVMBuildExtractElement(ctx->builder, rsrc, ctx->i32_1, "");
-	stride = LLVMBuildLShr(ctx->builder, stride, LLVMConstInt(ctx->i32, 16, 0), "");
-
-	LLVMValueRef new_elem_count = LLVMBuildSelect(ctx->builder,
-	                                              LLVMBuildICmp(ctx->builder, LLVMIntUGT, elem_count, stride, ""),
-	                                              elem_count, stride, "");
-
-	LLVMValueRef new_rsrc = LLVMBuildInsertElement(ctx->builder, rsrc, new_elem_count,
-	                                               LLVMConstInt(ctx->i32, 2, 0), "");
-
-	return ac_build_llvm7_buffer_load_common(ctx, new_rsrc, vindex, voffset,
-						 num_channels, cache_policy,
-						 can_speculate, true);
+	return ac_build_llvm8_buffer_load_common(ctx, rsrc, vindex, voffset, ctx->i32_0,
+						 num_channels, ctx->f32,
+						 cache_policy, can_speculate, true, true);
 }
 
 /// Translate a (dfmt, nfmt) pair into a chip-appropriate combined format
@@ -1615,36 +1480,12 @@ ac_build_tbuffer_load(struct ac_llvm_context *ctx,
 			    bool can_speculate,
 			    bool structurized) /* only matters for LLVM 8+ */
 {
-	if (HAVE_LLVM >= 0x800) {
-		voffset = LLVMBuildAdd(ctx->builder, voffset, immoffset, "");
-
-		return ac_build_llvm8_tbuffer_load(ctx, rsrc, vindex, voffset,
-						   soffset, num_channels,
-						   dfmt, nfmt, cache_policy,
-						   can_speculate, structurized);
-	}
+	voffset = LLVMBuildAdd(ctx->builder, voffset, immoffset, "");
 
-	LLVMValueRef args[] = {
-		rsrc,
-		vindex ? vindex : ctx->i32_0,
-		voffset,
-		soffset,
-		immoffset,
-		LLVMConstInt(ctx->i32, dfmt, false),
-		LLVMConstInt(ctx->i32, nfmt, false),
-		LLVMConstInt(ctx->i1, !!(cache_policy & ac_glc), false),
-		LLVMConstInt(ctx->i1, !!(cache_policy & ac_slc), false),
-	};
-	unsigned func = CLAMP(num_channels, 1, 3) - 1;
-	LLVMTypeRef types[] = {ctx->i32, ctx->v2i32, ctx->v4i32};
-	const char *type_names[] = {"i32", "v2i32", "v4i32"};
-	char name[256];
-
-	snprintf(name, sizeof(name), "llvm.amdgcn.tbuffer.load.%s",
-		 type_names[func]);
-
-	return ac_build_intrinsic(ctx, name, types[func], args, 9,
-				  ac_get_load_intr_attribs(can_speculate));
+	return ac_build_llvm8_tbuffer_load(ctx, rsrc, vindex, voffset,
+					   soffset, num_channels,
+					   dfmt, nfmt, cache_policy,
+					   can_speculate, structurized);
 }
 
 LLVMValueRef
@@ -1872,20 +1713,13 @@ ac_build_opencoded_load_format(struct ac_llvm_context *ctx,
 	for (unsigned i = 0; i < load_num_channels; ++i) {
 		tmp = LLVMBuildAdd(ctx->builder, soffset,
 				   LLVMConstInt(ctx->i32, i << load_log_size, false), "");
-		if (HAVE_LLVM >= 0x0800) {
-			LLVMTypeRef channel_type = load_log_size == 0 ? ctx->i8 :
-						   load_log_size == 1 ? ctx->i16 : ctx->i32;
-			unsigned num_channels = 1 << (MAX2(load_log_size, 2) - 2);
-			loads[i] = ac_build_llvm8_buffer_load_common(
-					ctx, rsrc, vindex, voffset, tmp,
-					num_channels, channel_type, cache_policy,
-					can_speculate, false, true);
-		} else {
-			tmp = LLVMBuildAdd(ctx->builder, voffset, tmp, "");
-			loads[i] = ac_build_llvm7_buffer_load_common(
-					ctx, rsrc, vindex, tmp,
-					1 << (load_log_size - 2), cache_policy, can_speculate, false);
-		}
+		LLVMTypeRef channel_type = load_log_size == 0 ? ctx->i8 :
+					   load_log_size == 1 ? ctx->i16 : ctx->i32;
+		unsigned num_channels = 1 << (MAX2(load_log_size, 2) - 2);
+		loads[i] = ac_build_llvm8_buffer_load_common(
+				ctx, rsrc, vindex, voffset, tmp,
+				num_channels, channel_type, cache_policy,
+				can_speculate, false, true);
 		if (load_log_size >= 2)
 			loads[i] = ac_to_integer(ctx, loads[i]);
 	}
@@ -2108,37 +1942,12 @@ ac_build_tbuffer_store(struct ac_llvm_context *ctx,
 		       unsigned cache_policy,
 		       bool structurized) /* only matters for LLVM 8+ */
 {
-	if (HAVE_LLVM >= 0x800) {
-		voffset = LLVMBuildAdd(ctx->builder,
-				       voffset ? voffset : ctx->i32_0,
-				       immoffset, "");
+	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,
-					     cache_policy, 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->i1, !!(cache_policy & ac_glc), false),
-			LLVMConstInt(ctx->i1, !!(cache_policy & ac_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_FUNC_ATTR_INACCESSIBLE_MEM_ONLY);
-	}
+	ac_build_llvm8_tbuffer_store(ctx, rsrc, vdata, vindex, voffset,
+				     soffset, num_channels, dfmt, nfmt,
+				     cache_policy, structurized);
 }
 
 void
@@ -2879,22 +2688,10 @@ LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 		width,
 	};
 
-	LLVMValueRef result = ac_build_intrinsic(ctx,
-						 is_signed ? "llvm.amdgcn.sbfe.i32" :
-							     "llvm.amdgcn.ubfe.i32",
-						 ctx->i32, args, 3,
-						 AC_FUNC_ATTR_READNONE);
-
-	if (HAVE_LLVM < 0x0800) {
-		/* FIXME: LLVM 7+ returns incorrect result when count is 0.
-		 * https://bugs.freedesktop.org/show_bug.cgi?id=107276
-		 */
-		LLVMValueRef zero = ctx->i32_0;
-		LLVMValueRef icond = LLVMBuildICmp(ctx->builder, LLVMIntEQ, width, zero, "");
-		result = LLVMBuildSelect(ctx->builder, icond, zero, result, "");
-	}
+	return ac_build_intrinsic(ctx, is_signed ? "llvm.amdgcn.sbfe.i32" :
+						   "llvm.amdgcn.ubfe.i32",
+				  ctx->i32, args, 3, AC_FUNC_ATTR_READNONE);
 
-	return result;
 }
 
 LLVMValueRef ac_build_imad(struct ac_llvm_context *ctx, LLVMValueRef s0,
@@ -3869,15 +3666,9 @@ ac_build_readlane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef la
 LLVMValueRef
 ac_build_writelane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef value, LLVMValueRef lane)
 {
-	if (HAVE_LLVM >= 0x0800) {
-		return ac_build_intrinsic(ctx, "llvm.amdgcn.writelane", ctx->i32,
-					  (LLVMValueRef []) {value, lane, src}, 3,
-					  AC_FUNC_ATTR_READNONE | AC_FUNC_ATTR_CONVERGENT);
-	}
-
-	LLVMValueRef pred = LLVMBuildICmp(ctx->builder, LLVMIntEQ, lane,
-					  ac_get_thread_id(ctx), "");
-	return LLVMBuildSelect(ctx->builder, pred, value, src, "");
+	return ac_build_intrinsic(ctx, "llvm.amdgcn.writelane", ctx->i32,
+				  (LLVMValueRef []) {value, lane, src}, 3,
+				  AC_FUNC_ATTR_READNONE | AC_FUNC_ATTR_CONVERGENT);
 }
 
 LLVMValueRef
diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h
index 103c3b484dd7..a2e4ec6194d5 100644
--- a/src/amd/common/ac_llvm_build.h
+++ b/src/amd/common/ac_llvm_build.h
@@ -324,16 +324,6 @@ LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx,
 					 unsigned cache_policy,
 					 bool can_speculate);
 
-/* load_format that handles the stride & element count better if idxen is
- * disabled by LLVM. */
-LLVMValueRef ac_build_buffer_load_format_gfx9_safe(struct ac_llvm_context *ctx,
-                                                  LLVMValueRef rsrc,
-                                                  LLVMValueRef vindex,
-                                                  LLVMValueRef voffset,
-                                                  unsigned num_channels,
-                                                  unsigned cache_policy,
-                                                  bool can_speculate);
-
 LLVMValueRef
 ac_build_tbuffer_load_short(struct ac_llvm_context *ctx,
 			    LLVMValueRef rsrc,
diff --git a/src/amd/common/ac_llvm_util.c b/src/amd/common/ac_llvm_util.c
index a201f2d1fc5e..7793926bf49e 100644
--- a/src/amd/common/ac_llvm_util.c
+++ b/src/amd/common/ac_llvm_util.c
@@ -133,7 +133,7 @@ const char *ac_get_llvm_processor_name(enum radeon_family family)
 		return "gfx906";
 	case CHIP_RAVEN2:
 	case CHIP_RENOIR:
-		return HAVE_LLVM >= 0x0800 ? "gfx909" : "gfx902";
+		return "gfx909";
 	case CHIP_ARCTURUS:
 		return "gfx908";
 	case CHIP_NAVI10:
@@ -158,8 +158,7 @@ static LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family,
 	LLVMTargetRef target = ac_get_llvm_target(triple);
 
 	snprintf(features, sizeof(features),
-		 "+DumpCode,-fp32-denormals,+fp64-denormals%s%s%s%s%s%s%s",
-		 HAVE_LLVM >= 0x0800 ? "" : ",+vgpr-spilling",
+		 "+DumpCode,-fp32-denormals,+fp64-denormals%s%s%s%s%s%s",
 		 family >= CHIP_NAVI10 && !(tm_options & AC_TM_WAVE32) ?
 			 ",+wavefrontsize64,-wavefrontsize32" : "",
 		 tm_options & AC_TM_SISCHED ? ",+si-scheduler" : "",
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 33a95bc71aec..0b06290f58ab 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1308,21 +1308,12 @@ static LLVMValueRef build_tex_intrinsic(struct ac_nir_context *ctx,
 	if (instr->sampler_dim == GLSL_SAMPLER_DIM_BUF) {
 		unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
 
-		if (ctx->abi->gfx9_stride_size_workaround) {
-			return ac_build_buffer_load_format_gfx9_safe(&ctx->ac,
-			                                             args->resource,
-			                                             args->coords[0],
-			                                             ctx->ac.i32_0,
-			                                             util_last_bit(mask),
-			                                             0, true);
-		} else {
-			return ac_build_buffer_load_format(&ctx->ac,
-			                                   args->resource,
-			                                   args->coords[0],
-			                                   ctx->ac.i32_0,
-			                                   util_last_bit(mask),
-			                                   0, true);
-		}
+		return ac_build_buffer_load_format(&ctx->ac,
+			                           args->resource,
+			                           args->coords[0],
+			                           ctx->ac.i32_0,
+			                           util_last_bit(mask),
+			                           0, true);
 	}
 
 	args->opcode = ac_image_sample;
@@ -2477,8 +2468,7 @@ static LLVMValueRef get_image_buffer_descriptor(struct ac_nir_context *ctx,
 						bool write, bool atomic)
 {
 	LLVMValueRef rsrc = get_image_descriptor(ctx, instr, AC_DESC_BUFFER, write);
-	if (ctx->abi->gfx9_stride_size_workaround ||
-	    (ctx->abi->gfx9_stride_size_workaround_for_atomic && atomic)) {
+	if (ctx->abi->gfx9_stride_size_workaround_for_atomic && atomic) {
 		LLVMValueRef elem_count = LLVMBuildExtractElement(ctx->ac.builder, rsrc, LLVMConstInt(ctx->ac.i32, 2, 0), "");
 		LLVMValueRef stride = LLVMBuildExtractElement(ctx->ac.builder, rsrc, LLVMConstInt(ctx->ac.i32, 1, 0), "");
 		stride = LLVMBuildLShr(ctx->ac.builder, stride, LLVMConstInt(ctx->ac.i32, 16, 0), "");
diff --git a/src/amd/common/ac_shader_abi.h b/src/amd/common/ac_shader_abi.h
index 7dd580bb195d..5d4479c5242f 100644
--- a/src/amd/common/ac_shader_abi.h
+++ b/src/amd/common/ac_shader_abi.h
@@ -209,7 +209,6 @@ struct ac_shader_abi {
 
 	/* Whether to workaround GFX9 ignoring the stride for the buffer size if IDXEN=0
 	* and LLVM optimizes an indexed load with constant index to IDXEN=0. */
-	bool gfx9_stride_size_workaround;
 	bool gfx9_stride_size_workaround_for_atomic;
 
 	/* Whether bounds checks are required */
diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 2d5b006c1cf3..39d87b5b5756 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -979,7 +979,7 @@ void radv_GetPhysicalDeviceFeatures2(
 		case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FLOAT16_INT8_FEATURES_KHR: {
 			VkPhysicalDeviceFloat16Int8FeaturesKHR *features =
 				(VkPhysicalDeviceFloat16Int8FeaturesKHR*)ext;
-			features->shaderFloat16 = pdevice->rad_info.chip_class >= GFX8 && HAVE_LLVM >= 0x0800;
+			features->shaderFloat16 = pdevice->rad_info.chip_class >= GFX8;
 			features->shaderInt8 = true;
 			break;
 		}
diff --git a/src/amd/vulkan/radv_extensions.py b/src/amd/vulkan/radv_extensions.py
index b28d74f5746b..b349ab74d58e 100644
--- a/src/amd/vulkan/radv_extensions.py
+++ b/src/amd/vulkan/radv_extensions.py
@@ -138,7 +138,7 @@ EXTENSIONS = [
     Extension('VK_AMD_buffer_marker',                     1, True),
     Extension('VK_AMD_draw_indirect_count',               1, True),
     Extension('VK_AMD_gcn_shader',                        1, True),
-    Extension('VK_AMD_gpu_shader_half_float',             1, 'device->rad_info.chip_class >= GFX9 && HAVE_LLVM >= 0x0800'),
+    Extension('VK_AMD_gpu_shader_half_float',             1, 'device->rad_info.chip_class >= GFX9'),
     Extension('VK_AMD_gpu_shader_int16',                  1, 'device->rad_info.chip_class >= GFX9'),
     Extension('VK_AMD_rasterization_order',               1, 'device->has_out_of_order_rast'),
     Extension('VK_AMD_shader_ballot',                     1, 'device->use_shader_ballot'),
diff --git a/src/amd/vulkan/radv_nir_to_llvm.c b/src/amd/vulkan/radv_nir_to_llvm.c
index c7c837d16f0c..c594f051503d 100644
--- a/src/amd/vulkan/radv_nir_to_llvm.c
+++ b/src/amd/vulkan/radv_nir_to_llvm.c
@@ -4360,7 +4360,6 @@ LLVMModuleRef ac_translate_nir_to_llvm(struct ac_llvm_compiler *ac_llvm,
 	ctx.abi.load_sampler_desc = radv_get_sampler_desc;
 	ctx.abi.load_resource = radv_load_resource;
 	ctx.abi.clamp_shadow_reference = false;
-	ctx.abi.gfx9_stride_size_workaround = ctx.ac.chip_class == GFX9 && HAVE_LLVM < 0x800;
 	ctx.abi.robust_buffer_access = options->robust_buffer_access;
 
 	/* Because the new raw/struct atomic intrinsics are buggy with LLVM 8,
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 9397c5d6f402..f7ef20e89b02 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -942,15 +942,8 @@ static void radv_init_llvm_target()
 	 *
 	 * "mesa" is the prefix for error messages.
 	 */
-	if (HAVE_LLVM >= 0x0800) {
-		const char *argv[2] = { "mesa", "-simplifycfg-sink-common=false" };
-		LLVMParseCommandLineOptions(2, argv, NULL);
-
-	} else {
-		const char *argv[3] = { "mesa", "-simplifycfg-sink-common=false",
-					"-amdgpu-skip-threshold=1" };
-		LLVMParseCommandLineOptions(3, argv, NULL);
-	}
+	const char *argv[2] = { "mesa", "-simplifycfg-sink-common=false" };
+	LLVMParseCommandLineOptions(2, argv, NULL);
 }
 
 static once_flag radv_init_llvm_target_once_flag = ONCE_FLAG_INIT;
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 64d7ec08348f..6f1ecaf44ed0 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -5305,11 +5305,6 @@ static bool si_get_external_symbol(void *data, const char *name, uint64_t *value
 		/* Enable scratch coalescing. */
 		*value = S_008F04_BASE_ADDRESS_HI(*scratch_va >> 32) |
 			 S_008F04_SWIZZLE_ENABLE(1);
-		if (HAVE_LLVM < 0x0800) {
-			/* Old LLVM created an R_ABS32_HI relocation for
-			 * this symbol. */
-			*value <<= 32;
-		}
 		return true;
 	}
 
diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
index f79ed2c57e17..76156817685c 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
@@ -840,8 +840,7 @@ static void atomic_emit(
 		vindex = args.coords[0]; /* for buffers only */
 	}
 
-	if (HAVE_LLVM >= 0x0800 &&
-	    inst->Src[0].Register.File != TGSI_FILE_BUFFER &&
+	if (inst->Src[0].Register.File != TGSI_FILE_BUFFER &&
 	    inst->Memory.Texture == TGSI_TEXTURE_BUFFER) {
 		LLVMValueRef buf_args[7];
 		unsigned num_args = 0;
@@ -866,9 +865,7 @@ static void atomic_emit(
 		return;
 	}
 
-	if (inst->Src[0].Register.File == TGSI_FILE_BUFFER ||
-	    (HAVE_LLVM < 0x0800 &&
-	     inst->Memory.Texture == TGSI_TEXTURE_BUFFER)) {
+	if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) {
 		LLVMValueRef buf_args[7];
 		unsigned num_args = 0;
 
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 12636dbeab72..05844abe3602 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -3801,14 +3801,7 @@ si_make_buffer_descriptor(struct si_screen *screen, struct si_resource *buf,
 	 * - For VMEM and inst.IDXEN == 0 or STRIDE == 0, it's in byte units.
 	 * - For VMEM and inst.IDXEN == 1 and STRIDE != 0, it's in units of STRIDE.
 	 */
-	if (screen->info.chip_class == GFX9 && HAVE_LLVM < 0x0800)
-		/* When vindex == 0, LLVM < 8.0 sets IDXEN = 0, thus changing units
-		 * from STRIDE to bytes. This works around it by setting
-		 * NUM_RECORDS to at least the size of one element, so that
-		 * the first element is readable when IDXEN == 0.
-		 */
-		num_records = num_records ? MAX2(num_records, stride) : 0;
-	else if (screen->info.chip_class == GFX8)
+	if (screen->info.chip_class == GFX8)
 		num_records *= stride;
 
 	state[4] = 0;