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radeon/llvm: Add TargetLibraryInfo to the pass manager 

This will prevent optimization passes from introducing unsupported
library calls.

Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Tom Stellard 2016-02-04 19:37:31 +00:00
parent 4f351a6cb1
commit dc7cf07af3
1 changed files with 7 additions and 1 deletions
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8
src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c
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@ -30,6 +30,7 @@
#include "gallivm/lp_bld_flow.h"
#include "gallivm/lp_bld_init.h"
#include "gallivm/lp_bld_intr.h"
#include "gallivm/lp_bld_misc.h"
#include "gallivm/lp_bld_swizzle.h"
#include "tgsi/tgsi_info.h"
#include "tgsi/tgsi_parse.h"
@ -1717,11 +1718,16 @@ void radeon_llvm_create_func(struct radeon_llvm_context * ctx,
void radeon_llvm_finalize_module(struct radeon_llvm_context * ctx)
{
struct gallivm_state * gallivm = ctx->soa.bld_base.base.gallivm;
const char *triple = LLVMGetTarget(gallivm->module);
LLVMTargetLibraryInfoRef target_library_info;
/* Create the pass manager */
gallivm->passmgr = LLVMCreateFunctionPassManagerForModule(
gallivm->module);
target_library_info = gallivm_create_target_library_info(triple);
LLVMAddTargetLibraryInfo(target_library_info, gallivm->passmgr);
/* This pass should eliminate all the load and store instructions */
LLVMAddPromoteMemoryToRegisterPass(gallivm->passmgr);
@ -1737,7 +1743,7 @@ void radeon_llvm_finalize_module(struct radeon_llvm_context * ctx)
LLVMDisposeBuilder(gallivm->builder);
LLVMDisposePassManager(gallivm->passmgr);
gallivm_dispose_target_library_info(target_library_info);
}
void radeon_llvm_dispose(struct radeon_llvm_context * ctx)