llvm/unittests/tools/llvm-mca/X86/X86TestBase.cpp

   1 #include "X86TestBase.h"
   2 #include "MCTargetDesc/X86MCTargetDesc.h"
   3 #include "llvm/MC/MCInstBuilder.h"
   4 #include "llvm/Support/TargetSelect.h"
   5
   6 using namespace llvm;
   7 using namespace mca;
   8
   9 X86TestBase::X86TestBase() : MCATestBase("x86_64-unknown-linux", "skylake") {
  10   LLVMInitializeX86TargetInfo();
  11   LLVMInitializeX86TargetMC();
  12   LLVMInitializeX86Target();
  13   LLVMInitializeX86AsmPrinter();
  14 }
  15
  16 void X86TestBase::getSimpleInsts(SmallVectorImpl<MCInst> &Insts,
  17                                  unsigned Repeats) {
  18   for (unsigned i = 0U; i < Repeats; ++i) {
  19     // vmulps  %xmm0, %xmm1, %xmm2
  20     Insts.push_back(MCInstBuilder(X86::VMULPSrr)
  21                         .addReg(X86::XMM2)
  22                         .addReg(X86::XMM1)
  23                         .addReg(X86::XMM0));
  24     // vhaddps %xmm2, %xmm2, %xmm3
  25     Insts.push_back(MCInstBuilder(X86::VHADDPSrr)
  26                         .addReg(X86::XMM3)
  27                         .addReg(X86::XMM2)
  28                         .addReg(X86::XMM2));
  29     // vhaddps %xmm3, %xmm3, %xmm4
  30     Insts.push_back(MCInstBuilder(X86::VHADDPSrr)
  31                         .addReg(X86::XMM4)
  32                         .addReg(X86::XMM3)
  33                         .addReg(X86::XMM3));
  34   }
  35 }