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radeon/llvm: Specify the DataLayout when running optimizations

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Without DataLayout, a lot of optimization passes aren't run and the ones
that are don't work as well.
This commit is contained in:
Tom Stellard 2013-10-22 09:26:12 -07:00
parent 20dbeadd83
commit 6f3465f340
1 changed files with 4 additions and 0 deletions
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4
src/gallium/drivers/radeon/radeon_llvm_util.c
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@ -29,6 +29,7 @@
#include <llvm-c/BitReader.h>
#include <llvm-c/Core.h>
#include <llvm-c/Target.h>
#include <llvm-c/Transforms/PassManagerBuilder.h>
LLVMModuleRef radeon_llvm_parse_bitcode(const unsigned char * bitcode,
@ -53,8 +54,11 @@ unsigned radeon_llvm_get_num_kernels(const unsigned char *bitcode,
static void radeon_llvm_optimize(LLVMModuleRef mod)
{
const char *data_layout = LLVMGetDataLayout(mod);
LLVMTargetDataRef TD = LLVMCreateTargetData(data_layout);
LLVMPassManagerBuilderRef builder = LLVMPassManagerBuilderCreate();
LLVMPassManagerRef pass_manager = LLVMCreatePassManager();
LLVMAddTargetData(TD, pass_manager);
LLVMPassManagerBuilderUseInlinerWithThreshold(builder, 1000000000);
LLVMPassManagerBuilderPopulateModulePassManager(builder, pass_manager);