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authorTom Stellard <[email protected]>2012-05-08 15:37:59 -0400
committerTom Stellard <[email protected]>2012-05-08 15:47:46 -0400
commit5aaaa6a426258dc714c7346bec062795998f9986 (patch)
tree1362f721ad2722d7308069d8fc4310681cd72a8f /src/gallium/drivers/radeon/AMDILPeepholeOptimizer.cpp
parent21ab46eae8b1156667dd35142829392701a8637d (diff)
radeon/llvm: Remove AMDILUtilityFunctions.cpp
Diffstat (limited to 'src/gallium/drivers/radeon/AMDILPeepholeOptimizer.cpp')
-rw-r--r--src/gallium/drivers/radeon/AMDILPeepholeOptimizer.cpp122
1 files changed, 121 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeon/AMDILPeepholeOptimizer.cpp b/src/gallium/drivers/radeon/AMDILPeepholeOptimizer.cpp
index 9005a39d6b3..806f5b81442 100644
--- a/src/gallium/drivers/radeon/AMDILPeepholeOptimizer.cpp
+++ b/src/gallium/drivers/radeon/AMDILPeepholeOptimizer.cpp
@@ -9,11 +9,12 @@
#include "AMDILAlgorithms.tpp"
#include "AMDILDevices.h"
-#include "AMDILUtilityFunctions.h"
+#include "AMDILInstrInfo.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
+#include "llvm/Constants.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/Function.h"
@@ -34,6 +35,9 @@ using namespace llvm;
// The Peephole optimization pass is used to do simple last minute optimizations
// that are required for correct code or to remove redundant functions
namespace {
+
+class OpaqueType;
+
class LLVM_LIBRARY_VISIBILITY AMDILPeepholeOpt : public FunctionPass {
public:
TargetMachine &TM;
@@ -107,6 +111,19 @@ private:
// samplers at compile time.
bool propagateSamplerInst(CallInst *CI);
+ // Helper functions
+
+ // Group of functions that recursively calculate the size of a structure based
+ // on it's sub-types.
+ size_t getTypeSize(Type * const T, bool dereferencePtr = false);
+ size_t getTypeSize(StructType * const ST, bool dereferencePtr = false);
+ size_t getTypeSize(IntegerType * const IT, bool dereferencePtr = false);
+ size_t getTypeSize(FunctionType * const FT,bool dereferencePtr = false);
+ size_t getTypeSize(ArrayType * const AT, bool dereferencePtr = false);
+ size_t getTypeSize(VectorType * const VT, bool dereferencePtr = false);
+ size_t getTypeSize(PointerType * const PT, bool dereferencePtr = false);
+ size_t getTypeSize(OpaqueType * const OT, bool dereferencePtr = false);
+
LLVMContext *mCTX;
Function *mF;
const AMDILSubtarget *mSTM;
@@ -1129,3 +1146,106 @@ AMDILPeepholeOpt::getAnalysisUsage(AnalysisUsage &AU) const
FunctionPass::getAnalysisUsage(AU);
AU.setPreservesAll();
}
+
+size_t AMDILPeepholeOpt::getTypeSize(Type * const T, bool dereferencePtr) {
+ size_t size = 0;
+ if (!T) {
+ return size;
+ }
+ switch (T->getTypeID()) {
+ case Type::X86_FP80TyID:
+ case Type::FP128TyID:
+ case Type::PPC_FP128TyID:
+ case Type::LabelTyID:
+ assert(0 && "These types are not supported by this backend");
+ default:
+ case Type::FloatTyID:
+ case Type::DoubleTyID:
+ size = T->getPrimitiveSizeInBits() >> 3;
+ break;
+ case Type::PointerTyID:
+ size = getTypeSize(dyn_cast<PointerType>(T), dereferencePtr);
+ break;
+ case Type::IntegerTyID:
+ size = getTypeSize(dyn_cast<IntegerType>(T), dereferencePtr);
+ break;
+ case Type::StructTyID:
+ size = getTypeSize(dyn_cast<StructType>(T), dereferencePtr);
+ break;
+ case Type::ArrayTyID:
+ size = getTypeSize(dyn_cast<ArrayType>(T), dereferencePtr);
+ break;
+ case Type::FunctionTyID:
+ size = getTypeSize(dyn_cast<FunctionType>(T), dereferencePtr);
+ break;
+ case Type::VectorTyID:
+ size = getTypeSize(dyn_cast<VectorType>(T), dereferencePtr);
+ break;
+ };
+ return size;
+}
+
+size_t AMDILPeepholeOpt::getTypeSize(StructType * const ST,
+ bool dereferencePtr) {
+ size_t size = 0;
+ if (!ST) {
+ return size;
+ }
+ Type *curType;
+ StructType::element_iterator eib;
+ StructType::element_iterator eie;
+ for (eib = ST->element_begin(), eie = ST->element_end(); eib != eie; ++eib) {
+ curType = *eib;
+ size += getTypeSize(curType, dereferencePtr);
+ }
+ return size;
+}
+
+size_t AMDILPeepholeOpt::getTypeSize(IntegerType * const IT,
+ bool dereferencePtr) {
+ return IT ? (IT->getBitWidth() >> 3) : 0;
+}
+
+size_t AMDILPeepholeOpt::getTypeSize(FunctionType * const FT,
+ bool dereferencePtr) {
+ assert(0 && "Should not be able to calculate the size of an function type");
+ return 0;
+}
+
+size_t AMDILPeepholeOpt::getTypeSize(ArrayType * const AT,
+ bool dereferencePtr) {
+ return (size_t)(AT ? (getTypeSize(AT->getElementType(),
+ dereferencePtr) * AT->getNumElements())
+ : 0);
+}
+
+size_t AMDILPeepholeOpt::getTypeSize(VectorType * const VT,
+ bool dereferencePtr) {
+ return VT ? (VT->getBitWidth() >> 3) : 0;
+}
+
+size_t AMDILPeepholeOpt::getTypeSize(PointerType * const PT,
+ bool dereferencePtr) {
+ if (!PT) {
+ return 0;
+ }
+ Type *CT = PT->getElementType();
+ if (CT->getTypeID() == Type::StructTyID &&
+ PT->getAddressSpace() == AMDILAS::PRIVATE_ADDRESS) {
+ return getTypeSize(dyn_cast<StructType>(CT));
+ } else if (dereferencePtr) {
+ size_t size = 0;
+ for (size_t x = 0, y = PT->getNumContainedTypes(); x < y; ++x) {
+ size += getTypeSize(PT->getContainedType(x), dereferencePtr);
+ }
+ return size;
+ } else {
+ return 4;
+ }
+}
+
+size_t AMDILPeepholeOpt::getTypeSize(OpaqueType * const OT,
+ bool dereferencePtr) {
+ //assert(0 && "Should not be able to calculate the size of an opaque type");
+ return 4;
+}