radv: handle loading from shared pointers

[mesa.git] / src / amd / common / ac_llvm_helper.cpp

diff --git a/src/amd/common/ac_llvm_helper.cpp b/src/amd/common/ac_llvm_helper.cpp
index 03877d5ee1e84d208d0c3dc6a7db7608b7bb8060..e022e12c7f320a5d883c6cce532ac8352f297392 100644 (file)
--- a/src/amd/common/ac_llvm_helper.cpp
+++ b/src/amd/common/ac_llvm_helper.cpp
@@ -29,28 +29,24 @@
 #pragma push_macro("DEBUG")
 #undef DEBUG
 
+#include "ac_binary.h"
 #include "ac_llvm_util.h"
+
 #include <llvm-c/Core.h>
-#include <llvm/Target/TargetOptions.h>
-#include <llvm/ExecutionEngine/ExecutionEngine.h>
-#include <llvm/IR/Attributes.h>
+#include <llvm/Target/TargetMachine.h>
+#include <llvm/IR/IRBuilder.h>
+#include <llvm/Analysis/TargetLibraryInfo.h>
+#include <llvm/Transforms/IPO.h>
 
-#if HAVE_LLVM < 0x0500
-namespace llvm {
-typedef AttributeSet AttributeList;
-}
+#include <llvm/IR/LegacyPassManager.h>
+#if HAVE_LLVM < 0x0700
+#include "llvm/Support/raw_ostream.h"
 #endif
 
 void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes)
 {
    llvm::Argument *A = llvm::unwrap<llvm::Argument>(val);
-#if HAVE_LLVM < 0x0500
-   llvm::AttrBuilder B;
-   B.addDereferenceableAttr(bytes);
-   A->addAttr(llvm::AttributeList::get(A->getContext(), A->getArgNo() + 1,  B));
-#else
    A->addAttr(llvm::Attribute::getWithDereferenceableBytes(A->getContext(), bytes));
-#endif
 }
 
 bool ac_is_sgpr_param(LLVMValueRef arg)
@@ -58,24 +54,123 @@ bool ac_is_sgpr_param(LLVMValueRef arg)
        llvm::Argument *A = llvm::unwrap<llvm::Argument>(arg);
        llvm::AttributeList AS = A->getParent()->getAttributes();
        unsigned ArgNo = A->getArgNo();
-       return AS.hasAttribute(ArgNo + 1, llvm::Attribute::ByVal) ||
-              AS.hasAttribute(ArgNo + 1, llvm::Attribute::InReg);
+       return AS.hasAttribute(ArgNo + 1, llvm::Attribute::InReg);
 }
 
 LLVMValueRef ac_llvm_get_called_value(LLVMValueRef call)
 {
-#if HAVE_LLVM >= 0x0309
        return LLVMGetCalledValue(call);
-#else
-       return llvm::wrap(llvm::CallSite(llvm::unwrap<llvm::Instruction>(call)).getCalledValue());
-#endif
 }
 
 bool ac_llvm_is_function(LLVMValueRef v)
 {
-#if HAVE_LLVM >= 0x0309
        return LLVMGetValueKind(v) == LLVMFunctionValueKind;
-#else
-       return llvm::isa<llvm::Function>(llvm::unwrap(v));
+}
+
+LLVMModuleRef ac_create_module(LLVMTargetMachineRef tm, LLVMContextRef ctx)
+{
+   llvm::TargetMachine *TM = reinterpret_cast<llvm::TargetMachine*>(tm);
+   LLVMModuleRef module = LLVMModuleCreateWithNameInContext("mesa-shader", ctx);
+
+   llvm::unwrap(module)->setTargetTriple(TM->getTargetTriple().getTriple());
+   llvm::unwrap(module)->setDataLayout(TM->createDataLayout());
+   return module;
+}
+
+LLVMBuilderRef ac_create_builder(LLVMContextRef ctx,
+                                enum ac_float_mode float_mode)
+{
+       LLVMBuilderRef builder = LLVMCreateBuilderInContext(ctx);
+
+       llvm::FastMathFlags flags;
+
+       switch (float_mode) {
+       case AC_FLOAT_MODE_DEFAULT:
+               break;
+       case AC_FLOAT_MODE_NO_SIGNED_ZEROS_FP_MATH:
+               flags.setNoSignedZeros();
+               llvm::unwrap(builder)->setFastMathFlags(flags);
+               break;
+       case AC_FLOAT_MODE_UNSAFE_FP_MATH:
+               flags.setFast();
+               llvm::unwrap(builder)->setFastMathFlags(flags);
+               break;
+       }
+
+       return builder;
+}
+
+LLVMTargetLibraryInfoRef
+ac_create_target_library_info(const char *triple)
+{
+       return reinterpret_cast<LLVMTargetLibraryInfoRef>(new llvm::TargetLibraryInfoImpl(llvm::Triple(triple)));
+}
+
+void
+ac_dispose_target_library_info(LLVMTargetLibraryInfoRef library_info)
+{
+       delete reinterpret_cast<llvm::TargetLibraryInfoImpl *>(library_info);
+}
+
+/* The LLVM compiler is represented as a pass manager containing passes for
+ * optimizations, instruction selection, and code generation.
+ */
+struct ac_compiler_passes {
+       ac_compiler_passes(): ostream(code_string) {}
+
+       llvm::SmallString<0> code_string;  /* ELF shader binary */
+       llvm::raw_svector_ostream ostream; /* stream for appending data to the binary */
+       llvm::legacy::PassManager passmgr; /* list of passes */
+};
+
+struct ac_compiler_passes *ac_create_llvm_passes(LLVMTargetMachineRef tm)
+{
+       struct ac_compiler_passes *p = new ac_compiler_passes();
+       if (!p)
+               return NULL;
+
+       llvm::TargetMachine *TM = reinterpret_cast<llvm::TargetMachine*>(tm);
+
+       if (TM->addPassesToEmitFile(p->passmgr, p->ostream,
+#if HAVE_LLVM >= 0x0700
+                                   nullptr,
+#endif
+                                   llvm::TargetMachine::CGFT_ObjectFile)) {
+               fprintf(stderr, "amd: TargetMachine can't emit a file of this type!\n");
+               delete p;
+               return NULL;
+       }
+       return p;
+}
+
+void ac_destroy_llvm_passes(struct ac_compiler_passes *p)
+{
+       delete p;
+}
+
+/* This returns false on failure. */
+bool ac_compile_module_to_binary(struct ac_compiler_passes *p, LLVMModuleRef module,
+                                struct ac_shader_binary *binary)
+{
+       p->passmgr.run(*llvm::unwrap(module));
+
+       llvm::StringRef data = p->ostream.str();
+       bool success = ac_elf_read(data.data(), data.size(), binary);
+       p->code_string = ""; /* release the ELF shader binary */
+
+       if (!success)
+               fprintf(stderr, "amd: cannot read an ELF shader binary\n");
+       return success;
+}
+
+void ac_llvm_add_barrier_noop_pass(LLVMPassManagerRef passmgr)
+{
+       llvm::unwrap(passmgr)->add(llvm::createBarrierNoopPass());
+}
+
+void ac_enable_global_isel(LLVMTargetMachineRef tm)
+{
+#if HAVE_LLVM >= 0x0700
+  reinterpret_cast<llvm::TargetMachine*>(tm)->setGlobalISel(true);
 #endif
 }