diff options
| -rw-r--r-- | src/gallium/drivers/radeon/radeon_llvm_util.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeon/radeon_llvm_util.c b/src/gallium/drivers/radeon/radeon_llvm_util.c index f2b3e136d47..3ba0acc55bc 100644 --- a/src/gallium/drivers/radeon/radeon_llvm_util.c +++ b/src/gallium/drivers/radeon/radeon_llvm_util.c @@ -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); |