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gallivm: add coroutine pass manager support

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coroutines require a proper pass manager, so add the passes
to the correct places

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie 2019-06-26 07:37:20 +10:00
parent 9cf1340e4f
commit d32690b43c
3 changed files with 32 additions and 1 deletions
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5
src/gallium/auxiliary/gallivm/lp_bld.h
View File

@ -95,6 +95,11 @@ typedef void *LLVMMCJITMemoryManagerRef;
#define LLVMInsertBasicBlock ILLEGAL_LLVM_FUNCTION
#define LLVMCreateBuilder ILLEGAL_LLVM_FUNCTION
#if HAVE_LLVM >= 0x0800
#define GALLIVM_HAVE_CORO 1
#else
#define GALLIVM_HAVE_CORO 0
#endif
/*
* Before LLVM 3.4 LLVMSetAlignment only supported GlobalValue, not

27
src/gallium/auxiliary/gallivm/lp_bld_init.c
View File

@ -44,7 +44,9 @@
#include <llvm-c/Transforms/Utils.h>
#endif
#include <llvm-c/BitWriter.h>
#if GALLIVM_HAVE_CORO
#include <llvm-c/Transforms/Coroutines.h>
#endif
/* Only MCJIT is available as of LLVM SVN r216982 */
#if HAVE_LLVM >= 0x0306
@ -125,6 +127,10 @@ create_pass_manager(struct gallivm_state *gallivm)
gallivm->passmgr = LLVMCreateFunctionPassManagerForModule(gallivm->module);
if (!gallivm->passmgr)
return FALSE;
#if GALLIVM_HAVE_CORO
gallivm->cgpassmgr = LLVMCreatePassManager();
#endif
/*
* TODO: some per module pass manager with IPO passes might be helpful -
* the generated texture functions may benefit from inlining if they are
@ -144,6 +150,12 @@ create_pass_manager(struct gallivm_state *gallivm)
free(td_str);
}
#if GALLIVM_HAVE_CORO
LLVMAddCoroEarlyPass(gallivm->cgpassmgr);
LLVMAddCoroSplitPass(gallivm->cgpassmgr);
LLVMAddCoroElidePass(gallivm->cgpassmgr);
#endif
if ((gallivm_perf & GALLIVM_PERF_NO_OPT) == 0) {
/*
* TODO: Evaluate passes some more - keeping in mind
@ -170,6 +182,9 @@ create_pass_manager(struct gallivm_state *gallivm)
LLVMAddConstantPropagationPass(gallivm->passmgr);
LLVMAddInstructionCombiningPass(gallivm->passmgr);
LLVMAddGVNPass(gallivm->passmgr);
#if GALLIVM_HAVE_CORO
LLVMAddCoroCleanupPass(gallivm->passmgr);
#endif
}
else {
/* We need at least this pass to prevent the backends to fail in
@ -193,6 +208,12 @@ gallivm_free_ir(struct gallivm_state *gallivm)
LLVMDisposePassManager(gallivm->passmgr);
}
#if GALLIVM_HAVE_CORO
if (gallivm->cgpassmgr) {
LLVMDisposePassManager(gallivm->cgpassmgr);
}
#endif
if (gallivm->engine) {
/* This will already destroy any associated module */
LLVMDisposeExecutionEngine(gallivm->engine);
@ -219,6 +240,7 @@ gallivm_free_ir(struct gallivm_state *gallivm)
gallivm->target = NULL;
gallivm->module = NULL;
gallivm->module_name = NULL;
gallivm->cgpassmgr = NULL;
gallivm->passmgr = NULL;
gallivm->context = NULL;
gallivm->builder = NULL;
@ -610,6 +632,9 @@ gallivm_compile_module(struct gallivm_state *gallivm)
if (gallivm_debug & GALLIVM_DEBUG_PERF)
time_begin = os_time_get();
#if GALLIVM_HAVE_CORO
LLVMRunPassManager(gallivm->cgpassmgr, gallivm->module);
#endif
/* Run optimization passes */
LLVMInitializeFunctionPassManager(gallivm->passmgr);
func = LLVMGetFirstFunction(gallivm->module);

1
src/gallium/auxiliary/gallivm/lp_bld_init.h
View File

@ -46,6 +46,7 @@ struct gallivm_state
LLVMExecutionEngineRef engine;
LLVMTargetDataRef target;
LLVMPassManagerRef passmgr;
LLVMPassManagerRef cgpassmgr;
LLVMContextRef context;
LLVMBuilderRef builder;
LLVMMCJITMemoryManagerRef memorymgr;