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ac/llvm: run the LLVM sinking pass because LLVM will stop running it

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shader-db was run with the sinking pass disabled in LLVM.

58380 shaders in 35438 tests
Totals:
SGPRS: 2730768 -> 2730768 (0.00 %)
VGPRS: 1592932 -> 1592928 (-0.00 %)
Spilled SGPRs: 2687 -> 2687 (0.00 %)
Spilled VGPRs: 551 -> 551 (0.00 %)
Private memory VGPRs: 253 -> 253 (0.00 %)
Scratch size: 700 -> 700 (0.00 %) dwords per thread
Code Size: 61238872 -> 61238868 (-0.00 %) bytes
Max Waves: 849209 -> 849209 (0.00 %)
Outputs: 127090 -> 127090 (0.00 %)
Patch Outputs: 579 -> 579 (0.00 %)

Totals from affected shaders:
SGPRS: 440 -> 440 (0.00 %)
VGPRS: 396 -> 392 (-1.01 %)
Spilled SGPRs: 0 -> 0 (0.00 %)
Spilled VGPRs: 0 -> 0 (0.00 %)
Private memory VGPRs: 0 -> 0 (0.00 %)
Scratch size: 0 -> 0 (0.00 %) dwords per thread
Code Size: 49880 -> 49876 (-0.01 %) bytes
Max Waves: 105 -> 105 (0.00 %)
Outputs: 14 -> 14 (0.00 %)
Patch Outputs: 0 -> 0 (0.00 %)

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20297>
This commit is contained in:
Marek Olšák
2022-12-13 11:03:21 -05:00
parent fbd32a04da
commit d05c3811cd
3 changed files with 12 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/amd/llvm/ac_llvm_build.h
+2
View File
@@ -580,6 +580,8 @@ LLVMValueRef ac_build_atomic_rmw(struct ac_llvm_context *ctx, LLVMAtomicRMWBinOp
LLVMValueRef ac_build_atomic_cmp_xchg(struct ac_llvm_context *ctx, LLVMValueRef ptr,
LLVMValueRef cmp, LLVMValueRef val, const char *sync_scope);
void ac_add_sinking_pass(LLVMPassManagerRef PM);
void ac_export_mrt_z(struct ac_llvm_context *ctx, LLVMValueRef depth, LLVMValueRef stencil,
LLVMValueRef samplemask, LLVMValueRef mrt0_alpha, bool is_last,
struct ac_export_args *args);
src/amd/llvm/ac_llvm_helper.cpp
+8
View File
@@ -31,6 +31,7 @@
#include <llvm/MC/MCSubtargetInfo.h>
#include <llvm/Support/CommandLine.h>
#include <llvm/Transforms/IPO.h>
#include <llvm/Transforms/Scalar.h>
#include <cstring>
@@ -45,6 +46,8 @@
#include "ac_llvm_build.h"
#include "util/macros.h"
using namespace llvm;
bool ac_is_llvm_processor_supported(LLVMTargetMachineRef tm, const char *processor)
{
llvm::TargetMachine *TM = reinterpret_cast<llvm::TargetMachine *>(tm);
@@ -326,3 +329,8 @@ LLVMValueRef ac_build_atomic_cmp_xchg(struct ac_llvm_context *ctx, LLVMValueRef
llvm::AtomicOrdering::SequentiallyConsistent,
llvm::AtomicOrdering::SequentiallyConsistent, SSID));
}
void ac_add_sinking_pass(LLVMPassManagerRef PM)
{
unwrap(PM)->add(createLoopSinkPass());
}
src/amd/llvm/ac_llvm_util.c
+2
View File
@@ -239,6 +239,8 @@ static LLVMPassManagerRef ac_create_passmgr(LLVMTargetLibraryInfoRef target_libr
/* This pass should eliminate all the load and store instructions. */
LLVMAddPromoteMemoryToRegisterPass(passmgr);
LLVMAddScalarReplAggregatesPass(passmgr);
if (LLVM_VERSION_MAJOR >= 16)
ac_add_sinking_pass(passmgr);
LLVMAddLICMPass(passmgr);
LLVMAddAggressiveDCEPass(passmgr);
LLVMAddCFGSimplificationPass(passmgr);