[AArch64] Fix a corner case in BitFeild select

[oota-llvm.git] / lib / Target / AArch64 / AArch64TargetMachine.cpp

diff --git a/lib/Target/AArch64/AArch64TargetMachine.cpp b/lib/Target/AArch64/AArch64TargetMachine.cpp
index eb78c8c045255b4e3488dbd21055252aa8b47098..c52c5544fc7e26e787c5fd4e271e58b2aec255b7 100644 (file)
--- a/lib/Target/AArch64/AArch64TargetMachine.cpp
+++ b/lib/Target/AArch64/AArch64TargetMachine.cpp
@@ -67,11 +67,6 @@ EnableAtomicTidy("aarch64-atomic-cfg-tidy", cl::Hidden,
                           " to make use of cmpxchg flow-based information"),
                  cl::init(true));
 
-static cl::opt<bool> AArch64InterleavedAccessOpt(
-    "aarch64-interleaved-access-opt",
-    cl::desc("Optimize interleaved memory accesses in the AArch64 backend"),
-    cl::init(false), cl::Hidden);
-
 static cl::opt<bool>
 EnableEarlyIfConversion("aarch64-enable-early-ifcvt", cl::Hidden,
                         cl::desc("Run early if-conversion"),
@@ -133,9 +128,9 @@ AArch64TargetMachine::AArch64TargetMachine(const Target &T, const Triple &TT,
                                            bool LittleEndian)
     // This nested ternary is horrible, but DL needs to be properly
     // initialized before TLInfo is constructed.
-    : LLVMTargetMachine(T, computeDataLayout(Triple(TT), LittleEndian), TT, CPU,
-                        FS, Options, RM, CM, OL),
-      TLOF(createTLOF(Triple(getTargetTriple()))),
+    : LLVMTargetMachine(T, computeDataLayout(TT, LittleEndian), TT, CPU, FS,
+                        Options, RM, CM, OL),
+      TLOF(createTLOF(getTargetTriple())),
       isLittle(LittleEndian) {
   initAsmInfo();
 }
@@ -160,8 +155,8 @@ AArch64TargetMachine::getSubtargetImpl(const Function &F) const {
     // creation will depend on the TM and the code generation flags on the
     // function that reside in TargetOptions.
     resetTargetOptions(F);
-    I = llvm::make_unique<AArch64Subtarget>(Triple(TargetTriple), CPU, FS,
-                                            *this, isLittle);
+    I = llvm::make_unique<AArch64Subtarget>(TargetTriple, CPU, FS, *this,
+                                            isLittle);
   }
   return I.get();
 }
@@ -208,7 +203,7 @@ public:
 } // namespace
 
 TargetIRAnalysis AArch64TargetMachine::getTargetIRAnalysis() {
-  return TargetIRAnalysis([this](Function &F) {
+  return TargetIRAnalysis([this](const Function &F) {
     return TargetTransformInfo(AArch64TTIImpl(this, F));
   });
 }
@@ -228,11 +223,12 @@ void AArch64PassConfig::addIRPasses() {
   if (TM->getOptLevel() != CodeGenOpt::None && EnableAtomicTidy)
     addPass(createCFGSimplificationPass());
 
-  if (TM->getOptLevel() != CodeGenOpt::None && AArch64InterleavedAccessOpt)
-    addPass(createAArch64InterleavedAccessPass());
-
   TargetPassConfig::addIRPasses();
 
+  // Match interleaved memory accesses to ldN/stN intrinsics.
+  if (TM->getOptLevel() != CodeGenOpt::None)
+    addPass(createInterleavedAccessPass(TM));
+
   if (TM->getOptLevel() == CodeGenOpt::Aggressive && EnableGEPOpt) {
     // Call SeparateConstOffsetFromGEP pass to extract constants within indices
     // and lower a GEP with multiple indices to either arithmetic operations or
@@ -275,7 +271,7 @@ bool AArch64PassConfig::addInstSelector() {
 
   // For ELF, cleanup any local-dynamic TLS accesses (i.e. combine as many
   // references to _TLS_MODULE_BASE_ as possible.
-  if (Triple(TM->getTargetTriple()).isOSBinFormatELF() &&
+  if (TM->getTargetTriple().isOSBinFormatELF() &&
       getOptLevel() != CodeGenOpt::None)
     addPass(createAArch64CleanupLocalDynamicTLSPass());
 
@@ -330,6 +326,6 @@ void AArch64PassConfig::addPreEmitPass() {
   // range of their destination.
   addPass(createAArch64BranchRelaxation());
   if (TM->getOptLevel() != CodeGenOpt::None && EnableCollectLOH &&
-      Triple(TM->getTargetTriple()).isOSBinFormatMachO())
+      TM->getTargetTriple().isOSBinFormatMachO())
     addPass(createAArch64CollectLOHPass());
 }