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radeon/compute: Unconditionally inline all functions v2

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We need to do this until function calls are supported.

v2:
  - Fix loop conditional

https://bugs.freedesktop.org/show_bug.cgi?id=64225

CC: "10.0" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Tom Stellard 2013-11-13 18:52:14 -08:00
parent ad542a10c5
commit ddc77c5092
1 changed files with 20 additions and 2 deletions
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22
src/gallium/drivers/radeon/radeon_llvm_util.c
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@ -30,6 +30,7 @@
#include <llvm-c/BitReader.h>
#include <llvm-c/Core.h>
#include <llvm-c/Target.h>
#include <llvm-c/Transforms/IPO.h>
#include <llvm-c/Transforms/PassManagerBuilder.h>
LLVMModuleRef radeon_llvm_parse_bitcode(const unsigned char * bitcode,
@ -59,9 +60,26 @@ static void radeon_llvm_optimize(LLVMModuleRef mod)
LLVMTargetDataRef TD = LLVMCreateTargetData(data_layout);
LLVMPassManagerBuilderRef builder = LLVMPassManagerBuilderCreate();
LLVMPassManagerRef pass_manager = LLVMCreatePassManager();
LLVMAddTargetData(TD, pass_manager);
LLVMPassManagerBuilderUseInlinerWithThreshold(builder, 1000000000);
/* Functions calls are not supported yet, so we need to inline
* everything. The most efficient way to do this is to add
* the always_inline attribute to all non-kernel functions
* and then run the Always Inline pass. The Always Inline
* pass will automaically inline functions with this attribute
* and does not perform the expensive cost analysis that the normal
* inliner does.
*/
LLVMValueRef fn;
for (fn = LLVMGetFirstFunction(mod); fn; fn = LLVMGetNextFunction(fn)) {
/* All the non-kernel functions have internal linkage */
if (LLVMGetLinkage(fn) == LLVMInternalLinkage) {
LLVMAddFunctionAttr(fn, LLVMAlwaysInlineAttribute);
}
}
LLVMAddTargetData(TD, pass_manager);
LLVMAddAlwaysInlinerPass(pass_manager);
LLVMPassManagerBuilderPopulateModulePassManager(builder, pass_manager);
LLVMRunPassManager(pass_manager, mod);