This uses the TargetSubtargetInfo::useAA() function to control the defaults of
the -combiner-alias-analysis and -combiner-global-alias-analysis options.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189564
91177308-0d34-0410-b5e6-
96231b3b80d8
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
#include <algorithm>
using namespace llvm;
#include <algorithm>
using namespace llvm;
+ bool UseAA = CombinerAA.getNumOccurrences() > 0 ? CombinerAA :
+ TLI.getTargetMachine().getSubtarget<TargetSubtargetInfo>().useAA();
+ if (UseAA) {
// Walk up chain skipping non-aliasing memory nodes.
SDValue BetterChain = FindBetterChain(N, Chain);
// Walk up chain skipping non-aliasing memory nodes.
SDValue BetterChain = FindBetterChain(N, Chain);
if (NewST.getNode())
return NewST;
if (NewST.getNode())
return NewST;
+ bool UseAA = CombinerAA.getNumOccurrences() > 0 ? CombinerAA :
+ TLI.getTargetMachine().getSubtarget<TargetSubtargetInfo>().useAA();
+ if (UseAA) {
// Walk up chain skipping non-aliasing memory nodes.
SDValue BetterChain = FindBetterChain(N, Chain);
// Walk up chain skipping non-aliasing memory nodes.
SDValue BetterChain = FindBetterChain(N, Chain);
- if (CombinerGlobalAA) {
+ bool UseAA = CombinerGlobalAA.getNumOccurrences() > 0 ? CombinerGlobalAA :
+ TLI.getTargetMachine().getSubtarget<TargetSubtargetInfo>().useAA();
+ if (UseAA) {
// Use alias analysis information.
int64_t MinOffset = std::min(SrcValueOffset1, SrcValueOffset2);
int64_t Overlap1 = Size1 + SrcValueOffset1 - MinOffset;
// Use alias analysis information.
int64_t MinOffset = std::min(SrcValueOffset1, SrcValueOffset2);
int64_t Overlap1 = Size1 + SrcValueOffset1 - MinOffset;