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[AArch64] Register (existing) AArch64AdvSIMDScalar pass with LLVM pass manager. 

Summary: Among other things, this allows -print-after-all/-print-before-all to
dump IR around this pass.

IIRC, this pass is off by default, but it's still helpful when debugging.

llvm-svn: 244056
This commit is contained in:
Chad Rosier 2015-08-05 15:18:58 +00:00
parent d7984710ae
commit 794b9b2fdd
1 changed files with 13 additions and 2 deletions
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15
llvm/lib/Target/AArch64/AArch64AdvSIMDScalarPass.cpp
View File

@ -61,6 +61,12 @@ STATISTIC(NumScalarInsnsUsed, "Number of scalar instructions used");
STATISTIC(NumCopiesDeleted, "Number of cross-class copies deleted");
STATISTIC(NumCopiesInserted, "Number of cross-class copies inserted");
namespace llvm {
void initializeAArch64AdvSIMDScalarPass(PassRegistry &);
}
#define AARCH64_ADVSIMD_NAME "AdvSIMD Scalar Operation Optimization"
namespace {
class AArch64AdvSIMDScalar : public MachineFunctionPass {
MachineRegisterInfo *MRI;
@ -82,12 +88,14 @@ private:
public:
static char ID; // Pass identification, replacement for typeid.
explicit AArch64AdvSIMDScalar() : MachineFunctionPass(ID) {}
explicit AArch64AdvSIMDScalar() : MachineFunctionPass(ID) {
initializeAArch64AdvSIMDScalarPass(*PassRegistry::getPassRegistry());
}
bool runOnMachineFunction(MachineFunction &F) override;
const char *getPassName() const override {
return "AdvSIMD Scalar Operation Optimization";
return AARCH64_ADVSIMD_NAME;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
@ -98,6 +106,9 @@ public:
char AArch64AdvSIMDScalar::ID = 0;
} // end anonymous namespace
INITIALIZE_PASS(AArch64AdvSIMDScalar, "aarch64-simd-scalar",
AARCH64_ADVSIMD_NAME, false, false)
static bool isGPR64(unsigned Reg, unsigned SubReg,
const MachineRegisterInfo *MRI) {
if (SubReg)