[llvm] r304209 - This patch closes PR28513: an optimization of multiplication by different constants.

Vedant Kumar via llvm-commits llvm-commits at lists.llvm.org
Thu Jun 1 10:08:39 PDT 2017


Hi Dimitry,

Thanks for the feedback! Andrew and I have been working on isolating the issue and coming up with a smaller reproducer off-list (setting up a stage2 build, looking at asm diffs). I also discovered that, with r304209, we hit an ASan failure when running tblgen (log attached) [1].

We don't have an LLVM IR based reproducer. Is there any chance you can share pre-patch/post-patch LLVM IR for smult_curve25519_ref.c?

thanks,
vedant

[1] ASan failure while running tblgen:

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> On Jun 1, 2017, at 10:04 AM, Dimitry Andric <dimitry at andric.com> wrote:
> 
> I also encountered many strange things when compiling parts of FreeBSD with this change!
> 
> For example, ssh's smult_curve25519_ref.c gets miscompiled somehow, and then ssh signature checking fails.  Another example, subversion's SQLite support gets completely broken.  Probably there were more miscompilations lurking around.
> 
> I'm not sure if it is easy to come up with simple test case.  But please make sure this commit gets more thought before reapplying it again. :)
> 
> -Dimitry
> 
>> On 30 May 2017, at 21:26, Vedant Kumar via llvm-commits <llvm-commits at lists.llvm.org> wrote:
>> 
>> I've reverted this change for the moment to unblock our bots (r304231). Please let me know if you need any help reproducing the issue.
>> 
>> thanks,
>> vedant
>> 
>>> On May 30, 2017, at 12:22 PM, Vedant Kumar <vsk at apple.com> wrote:
>>> 
>>> Hi Andrew,
>>> 
>>> I think this change is responsible for a tablgen failure in stage2 builds:
>>> 
>>>  http://green.lab.llvm.org/green/job/clang-stage2-configure-Rthinlto_build/2171/
>>> 
>>> I reproduced the failure locally (without ThinLTO), reverted your commit, rebuilt the stage1 clang, rebuilt the stage2 llvm-tblgen tool, and found that the crash disappears when your commit is reverted.
>>> 
>>> Could you take a look?
>>> 
>>> FAILED: lib/Target/ARM/ARMGenRegisterBank.inc.tmp
>>> cd /Volumes/Builds/pz-master-stage2-RA/lib/Target/ARM && /Volumes/Builds/pz-master-stage2-RA/bin/llvm-tblgen -gen-register-bank -I /Users/vk/llvm/lib/Target/ARM -I /Users/vk/llvm/include -I /Users/vk/llvm/lib/Target /Users/vk/llvm/lib/Target/ARM/ARM.td -o /Volumes
>>> /Builds/pz-master-stage2-RA/lib/Target/ARM/ARMGenRegisterBank.inc.tmp
>>> 0  llvm-tblgen              0x0000000106fc9568 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
>>> 1  llvm-tblgen              0x0000000106fc9be6 SignalHandler(int) + 422
>>> 2  libsystem_platform.dylib 0x00000001076a7fba _sigtramp + 26
>>> 3  libsystem_platform.dylib 0x00007fff58deb468 _sigtramp + 1366570184
>>> 4  llvm-tblgen              0x0000000106e89cc7 llvm::CodeGenRegBank::getCompositeSubRegIndex(llvm::CodeGenSubRegIndex*, llvm::CodeGenSubRegIndex*) + 615
>>> 5  llvm-tblgen              0x0000000106e88be6 llvm::CodeGenRegister::computeSubRegs(llvm::CodeGenRegBank&) + 2182
>>> 6  llvm-tblgen              0x0000000106e8e9f0 llvm::CodeGenRegBank::CodeGenRegBank(llvm::RecordKeeper&) + 2192
>>> 7  llvm-tblgen              0x0000000106f384a1 llvm::EmitRegisterBank(llvm::RecordKeeper&, llvm::raw_ostream&) + 65
>>> 8  llvm-tblgen              0x0000000106f72c64 (anonymous namespace)::LLVMTableGenMain(llvm::raw_ostream&, llvm::RecordKeeper&) + 1172
>>> 9  llvm-tblgen              0x0000000106fcb15f llvm::TableGenMain(char*, bool (*)(llvm::raw_ostream&, llvm::RecordKeeper&)) + 3599
>>> 10 llvm-tblgen              0x0000000106f727a6 main + 134
>>> 11 libdyld.dylib            0x000000010733c6a5 start + 1
>>> Stack dump:
>>> 0.      Program arguments: /Volumes/Builds/pz-master-stage2-RA/bin/llvm-tblgen -gen-register-bank -I /Users/vk/llvm/lib/Target/ARM -I /Users/vk/llvm/include -I /Users/vk/llvm/lib/Target /Users/vk/llvm/lib/Target/ARM/ARM.td -o /Volumes/Builds/pz-master-stage2-RA/lib/Target/ARM/ARMGenRegisterBank.inc.tmp
>>> /bin/sh: line 1: 41986 Segmentation fault: 11  /Volumes/Builds/pz-master-stage2-RA/bin/llvm-tblgen -gen-register-bank -I /Users/vk/llvm/lib/Target/ARM -I /Users/vk/llvm/include -I /Users/vk/llvm/lib/Target /Users/vk/llvm/lib/Target/ARM/ARM.td -o /Volumes/Builds/pz
>>> -master-stage2-RA/lib/Target/ARM/ARMGenRegisterBank.inc.tmp
>>> 
>>> thanks,
>>> vedant
>>> 
>>>> On May 30, 2017, at 6:00 AM, Andrew V. Tischenko via llvm-commits <llvm-commits at lists.llvm.org> wrote:
>>>> 
>>>> Author: avt77
>>>> Date: Tue May 30 08:00:44 2017
>>>> New Revision: 304209
>>>> 
>>>> URL: http://llvm.org/viewvc/llvm-project?rev=304209&view=rev
>>>> Log:
>>>> This patch closes PR28513: an optimization of multiplication by different constants.
>>>> It's implemented on DAG combiner level.
>>>> 
>>>> Modified:
>>>>   llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
>>>>   llvm/trunk/test/CodeGen/X86/mul-constant-i16.ll
>>>>   llvm/trunk/test/CodeGen/X86/mul-constant-i32.ll
>>>>   llvm/trunk/test/CodeGen/X86/mul-constant-i64.ll
>>>> 
>>>> Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=304209&r1=304208&r2=304209&view=diff
>>>> ==============================================================================
>>>> --- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
>>>> +++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Tue May 30 08:00:44 2017
>>>> @@ -80,6 +80,12 @@ static cl::opt<int> ExperimentalPrefLoop
>>>>             " of the loop header PC will be 0)."),
>>>>    cl::Hidden);
>>>> 
>>>> +static cl::opt<bool> MulConstantOptimization(
>>>> +    "mul-constant-optimization", cl::init(true),
>>>> +    cl::desc("Replace 'mul x, Const' with more effective instructions like "
>>>> +             "SHIFT, LEA, etc."),
>>>> +    cl::Hidden);
>>>> +
>>>> /// Call this when the user attempts to do something unsupported, like
>>>> /// returning a double without SSE2 enabled on x86_64. This is not fatal, unlike
>>>> /// report_fatal_error, so calling code should attempt to recover without
>>>> @@ -30928,6 +30934,75 @@ static SDValue reduceVMULWidth(SDNode *N
>>>>  }
>>>> }
>>>> 
>>>> +static SDValue combineMulSpecial(uint64_t MulAmt, SDNode *N, SelectionDAG &DAG,
>>>> +                                 EVT VT, SDLoc DL) {
>>>> +
>>>> +  auto combineMulShlAddOrSub = [&](int Mult, int Shift, bool isAdd) {
>>>> +    SDValue Result = DAG.getNode(X86ISD::MUL_IMM, DL, VT, N->getOperand(0),
>>>> +                                 DAG.getConstant(Mult, DL, VT));
>>>> +    Result = DAG.getNode(ISD::SHL, DL, VT, Result,
>>>> +                         DAG.getConstant(Shift, DL, MVT::i8));
>>>> +    Result = DAG.getNode(isAdd ? ISD::ADD : ISD::SUB, DL, VT, N->getOperand(0),
>>>> +                         Result);
>>>> +    return Result;
>>>> +  };
>>>> +
>>>> +  auto combineMulMulAddOrSub = [&](bool isAdd) {
>>>> +    SDValue Result = DAG.getNode(X86ISD::MUL_IMM, DL, VT, N->getOperand(0),
>>>> +                                 DAG.getConstant(9, DL, VT));
>>>> +    Result = DAG.getNode(ISD::MUL, DL, VT, Result, DAG.getConstant(3, DL, VT));
>>>> +    Result = DAG.getNode(isAdd ? ISD::ADD : ISD::SUB, DL, VT, N->getOperand(0),
>>>> +                         Result);
>>>> +    return Result;
>>>> +  };
>>>> +
>>>> +  switch (MulAmt) {
>>>> +  default:
>>>> +    break;
>>>> +  case 11:
>>>> +    // mul x, 11 => add ((shl (mul x, 5), 1), x)
>>>> +    return combineMulShlAddOrSub(5, 1, /*isAdd*/ true);
>>>> +  case 21:
>>>> +    // mul x, 21 => add ((shl (mul x, 5), 2), x)
>>>> +    return combineMulShlAddOrSub(5, 2, /*isAdd*/ true);
>>>> +  case 22:
>>>> +    // mul x, 22 => add (add ((shl (mul x, 5), 2), x), x)
>>>> +    return DAG.getNode(ISD::ADD, DL, VT, N->getOperand(0),
>>>> +                       combineMulShlAddOrSub(5, 2, /*isAdd*/ true));
>>>> +  case 19:
>>>> +    // mul x, 19 => sub ((shl (mul x, 5), 2), x)
>>>> +    return combineMulShlAddOrSub(5, 2, /*isAdd*/ false);
>>>> +  case 13:
>>>> +    // mul x, 13 => add ((shl (mul x, 3), 2), x)
>>>> +    return combineMulShlAddOrSub(3, 2, /*isAdd*/ true);
>>>> +  case 23:
>>>> +    // mul x, 13 => sub ((shl (mul x, 3), 3), x)
>>>> +    return combineMulShlAddOrSub(3, 3, /*isAdd*/ false);
>>>> +  case 14:
>>>> +    // mul x, 14 => add (add ((shl (mul x, 3), 2), x), x)
>>>> +    return DAG.getNode(ISD::ADD, DL, VT, N->getOperand(0),
>>>> +                       combineMulShlAddOrSub(3, 2, /*isAdd*/ true));
>>>> +  case 26:
>>>> +    // mul x, 26 => sub ((mul (mul x, 9), 3), x)
>>>> +    return combineMulMulAddOrSub(/*isAdd*/ false);
>>>> +  case 28:
>>>> +    // mul x, 28 => add ((mul (mul x, 9), 3), x)
>>>> +    return combineMulMulAddOrSub(/*isAdd*/ true);
>>>> +  case 29:
>>>> +    // mul x, 29 => add (add ((mul (mul x, 9), 3), x), x)
>>>> +    return DAG.getNode(ISD::ADD, DL, VT, N->getOperand(0),
>>>> +                       combineMulMulAddOrSub(/*isAdd*/ true));
>>>> +  case 30:
>>>> +    // mul x, 30 => sub (sub ((shl x, 5), x), x)
>>>> +    return DAG.getNode(
>>>> +        ISD::SUB, DL, VT, N->getOperand(0),
>>>> +        DAG.getNode(ISD::SUB, DL, VT, N->getOperand(0),
>>>> +                    DAG.getNode(ISD::SHL, DL, VT, N->getOperand(0),
>>>> +                                DAG.getConstant(5, DL, MVT::i8))));
>>>> +  }
>>>> +  return SDValue();
>>>> +}
>>>> +
>>>> /// Optimize a single multiply with constant into two operations in order to
>>>> /// implement it with two cheaper instructions, e.g. LEA + SHL, LEA + LEA.
>>>> static SDValue combineMul(SDNode *N, SelectionDAG &DAG,
>>>> @@ -30937,6 +31012,8 @@ static SDValue combineMul(SDNode *N, Sel
>>>>  if (DCI.isBeforeLegalize() && VT.isVector())
>>>>    return reduceVMULWidth(N, DAG, Subtarget);
>>>> 
>>>> +  if (!MulConstantOptimization)
>>>> +    return SDValue();
>>>>  // An imul is usually smaller than the alternative sequence.
>>>>  if (DAG.getMachineFunction().getFunction()->optForMinSize())
>>>>    return SDValue();
>>>> @@ -30992,7 +31069,8 @@ static SDValue combineMul(SDNode *N, Sel
>>>>    else
>>>>      NewMul = DAG.getNode(X86ISD::MUL_IMM, DL, VT, NewMul,
>>>>                           DAG.getConstant(MulAmt2, DL, VT));
>>>> -  }
>>>> +  } else if (!Subtarget.slowLEA())
>>>> +    NewMul = combineMulSpecial(MulAmt, N, DAG, VT, DL);
>>>> 
>>>>  if (!NewMul) {
>>>>    assert(MulAmt != 0 &&
>>>> 
>>>> Modified: llvm/trunk/test/CodeGen/X86/mul-constant-i16.ll
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/mul-constant-i16.ll?rev=304209&r1=304208&r2=304209&view=diff
>>>> ==============================================================================
>>>> --- llvm/trunk/test/CodeGen/X86/mul-constant-i16.ll (original)
>>>> +++ llvm/trunk/test/CodeGen/X86/mul-constant-i16.ll Tue May 30 08:00:44 2017
>>>> @@ -188,13 +188,16 @@ define i16 @test_mul_by_11(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_11:
>>>> ; X86:       # BB#0:
>>>> ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $11, %eax, %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,4), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,2), %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_11:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $11, %edi, %eax
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,4), %eax
>>>> +; X64-NEXT:    leal (%rdi,%rax,2), %eax
>>>> ; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 11
>>>> @@ -225,13 +228,16 @@ define i16 @test_mul_by_13(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_13:
>>>> ; X86:       # BB#0:
>>>> ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $13, %eax, %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,4), %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_13:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $13, %edi, %eax
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,2), %eax
>>>> +; X64-NEXT:    leal (%rdi,%rax,4), %eax
>>>> ; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 13
>>>> @@ -241,14 +247,19 @@ define i16 @test_mul_by_13(i16 %x) {
>>>> define i16 @test_mul_by_14(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_14:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $14, %eax, %eax
>>>> +; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,2), %eax
>>>> +; X86-NEXT:    leal (%ecx,%eax,4), %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_14:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $14, %edi, %eax
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,2), %eax
>>>> +; X64-NEXT:    leal (%rdi,%rax,4), %eax
>>>> +; X64-NEXT:    addl %edi, %eax
>>>> ; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 14
>>>> @@ -338,14 +349,19 @@ define i16 @test_mul_by_19(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_19:
>>>> ; X86:       # BB#0:
>>>> ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $19, %eax, %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,4), %ecx
>>>> +; X86-NEXT:    shll $2, %ecx
>>>> +; X86-NEXT:    subl %ecx, %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_19:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $19, %edi, %eax
>>>> -; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,4), %eax
>>>> +; X64-NEXT:    shll $2, %eax
>>>> +; X64-NEXT:    subl %eax, %edi
>>>> +; X64-NEXT:    movl %edi, %eax
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 19
>>>>  ret i16 %mul
>>>> @@ -375,13 +391,16 @@ define i16 @test_mul_by_21(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_21:
>>>> ; X86:       # BB#0:
>>>> ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $21, %eax, %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,4), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,4), %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_21:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $21, %edi, %eax
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,4), %eax
>>>> +; X64-NEXT:    leal (%rdi,%rax,4), %eax
>>>> ; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 21
>>>> @@ -391,14 +410,19 @@ define i16 @test_mul_by_21(i16 %x) {
>>>> define i16 @test_mul_by_22(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_22:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $22, %eax, %eax
>>>> +; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,4), %eax
>>>> +; X86-NEXT:    leal (%ecx,%eax,4), %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_22:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $22, %edi, %eax
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,4), %eax
>>>> +; X64-NEXT:    leal (%rdi,%rax,4), %eax
>>>> +; X64-NEXT:    addl %edi, %eax
>>>> ; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 22
>>>> @@ -409,14 +433,19 @@ define i16 @test_mul_by_23(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_23:
>>>> ; X86:       # BB#0:
>>>> ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $23, %eax, %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %ecx
>>>> +; X86-NEXT:    shll $3, %ecx
>>>> +; X86-NEXT:    subl %ecx, %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_23:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $23, %edi, %eax
>>>> -; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,2), %eax
>>>> +; X64-NEXT:    shll $3, %eax
>>>> +; X64-NEXT:    subl %eax, %edi
>>>> +; X64-NEXT:    movl %edi, %eax
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 23
>>>>  ret i16 %mul
>>>> @@ -466,14 +495,19 @@ define i16 @test_mul_by_26(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_26:
>>>> ; X86:       # BB#0:
>>>> ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $26, %eax, %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,8), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,2), %ecx
>>>> +; X86-NEXT:    subl %ecx, %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_26:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $26, %edi, %eax
>>>> -; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,8), %eax
>>>> +; X64-NEXT:    leal (%rax,%rax,2), %eax
>>>> +; X64-NEXT:    subl %eax, %edi
>>>> +; X64-NEXT:    movl %edi, %eax
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 26
>>>>  ret i16 %mul
>>>> @@ -502,14 +536,19 @@ define i16 @test_mul_by_27(i16 %x) {
>>>> define i16 @test_mul_by_28(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_28:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $28, %eax, %eax
>>>> +; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,8), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_28:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $28, %edi, %eax
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,8), %eax
>>>> +; X64-NEXT:    leal (%rax,%rax,2), %eax
>>>> +; X64-NEXT:    addl %edi, %eax
>>>> ; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 28
>>>> @@ -519,14 +558,21 @@ define i16 @test_mul_by_28(i16 %x) {
>>>> define i16 @test_mul_by_29(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_29:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $29, %eax, %eax
>>>> +; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,8), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_29:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $29, %edi, %eax
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal (%rdi,%rdi,8), %eax
>>>> +; X64-NEXT:    leal (%rax,%rax,2), %eax
>>>> +; X64-NEXT:    addl %edi, %eax
>>>> +; X64-NEXT:    addl %edi, %eax
>>>> ; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 29
>>>> @@ -537,14 +583,22 @@ define i16 @test_mul_by_30(i16 %x) {
>>>> ; X86-LABEL: test_mul_by_30:
>>>> ; X86:       # BB#0:
>>>> ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    imull $30, %eax, %eax
>>>> +; X86-NEXT:    movl %eax, %ecx
>>>> +; X86-NEXT:    shll $5, %ecx
>>>> +; X86-NEXT:    movl %eax, %edx
>>>> +; X86-NEXT:    subl %ecx, %edx
>>>> +; X86-NEXT:    subl %edx, %eax
>>>> ; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> ; X64-LABEL: test_mul_by_30:
>>>> ; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $30, %edi, %eax
>>>> -; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> +; X64-NEXT:    movl %edi, %eax
>>>> +; X64-NEXT:    shll $5, %eax
>>>> +; X64-NEXT:    movl %edi, %ecx
>>>> +; X64-NEXT:    subl %eax, %ecx
>>>> +; X64-NEXT:    subl %ecx, %edi
>>>> +; X64-NEXT:    movl %edi, %eax
>>>> ; X64-NEXT:    retq
>>>>  %mul = mul nsw i16 %x, 30
>>>>  ret i16 %mul
>>>> @@ -587,3 +641,30 @@ define i16 @test_mul_by_32(i16 %x) {
>>>>  %mul = mul nsw i16 %x, 32
>>>>  ret i16 %mul
>>>> }
>>>> +
>>>> +; (x*9+42)*(x*5+2)
>>>> +define i16 @test_mul_spec(i16 %x) nounwind {
>>>> +; X86-LABEL: test_mul_spec:
>>>> +; X86:       # BB#0:
>>>> +; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal 42(%eax,%eax,8), %ecx
>>>> +; X86-NEXT:    leal 2(%eax,%eax,4), %eax
>>>> +; X86-NEXT:    imull %ecx, %eax
>>>> +; X86-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> +; X86-NEXT:    retl
>>>> +;
>>>> +; X64-LABEL: test_mul_spec:
>>>> +; X64:       # BB#0:
>>>> +; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-NEXT:    leal 42(%rdi,%rdi,8), %ecx
>>>> +; X64-NEXT:    leal 2(%rdi,%rdi,4), %eax
>>>> +; X64-NEXT:    imull %ecx, %eax
>>>> +; X64-NEXT:    # kill: %AX<def> %AX<kill> %EAX<kill>
>>>> +; X64-NEXT:    retq
>>>> +  %mul = mul nsw i16 %x, 9
>>>> +  %add = add nsw i16 %mul, 42
>>>> +  %mul2 = mul nsw i16 %x, 5
>>>> +  %add2 = add nsw i16 %mul2, 2
>>>> +  %mul3 = mul nsw i16 %add, %add2
>>>> +  ret i16 %mul3
>>>> +}
>>>> 
>>>> Modified: llvm/trunk/test/CodeGen/X86/mul-constant-i32.ll
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/mul-constant-i32.ll?rev=304209&r1=304208&r2=304209&view=diff
>>>> ==============================================================================
>>>> --- llvm/trunk/test/CodeGen/X86/mul-constant-i32.ll (original)
>>>> +++ llvm/trunk/test/CodeGen/X86/mul-constant-i32.ll Tue May 30 08:00:44 2017
>>>> @@ -1,6 +1,12 @@
>>>> ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
>>>> ; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86
>>>> -; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule=true -mcpu=haswell| FileCheck %s --check-prefix=X64-HSW
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule=true -mcpu=btver2| FileCheck %s --check-prefix=X64-JAG
>>>> +; RUN: llc < %s -mtriple=i686-unknown -mul-constant-optimization=false | FileCheck %s --check-prefix=X86-NOOPT
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -mul-constant-optimization=false -print-schedule=true -mcpu=haswell| FileCheck %s --check-prefix=HSW-NOOPT
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -mul-constant-optimization=false -print-schedule=true -mcpu=btver2| FileCheck %s --check-prefix=JAG-NOOPT
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule=true -mcpu=slm| FileCheck %s --check-prefix=X64-SLM
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -mul-constant-optimization=false -print-schedule=true -mcpu=slm| FileCheck %s --check-prefix=SLM-NOOPT
>>>> 
>>>> define i32 @test_mul_by_1(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_1:
>>>> @@ -8,10 +14,40 @@ define i32 @test_mul_by_1(i32 %x) {
>>>> ; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_1:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    movl %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_1:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_1:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_1:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_1:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_1:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_1:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    movl %edi, %eax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_1:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    movl %edi, %eax # sched: [1:0.50]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 1
>>>>  ret i32 %mul
>>>> }
>>>> @@ -23,11 +59,47 @@ define i32 @test_mul_by_2(i32 %x) {
>>>> ; X86-NEXT:    addl %eax, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_2:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (%rdi,%rdi), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_2:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_2:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_2:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    addl %eax, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_2:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; HSW-NOOPT-NEXT:    leal (%rdi,%rdi), %eax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_2:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; JAG-NOOPT-NEXT:    leal (%rdi,%rdi), %eax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_2:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_2:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; SLM-NOOPT-NEXT:    leal (%rdi,%rdi), %eax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 2
>>>>  ret i32 %mul
>>>> }
>>>> @@ -38,11 +110,46 @@ define i32 @test_mul_by_3(i32 %x) {
>>>> ; X86-NEXT:    imull $3, {{[0-9]+}}(%esp), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_3:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (%rdi,%rdi,2), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_3:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_3:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_3:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $3, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_3:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; HSW-NOOPT-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_3:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; JAG-NOOPT-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_3:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_3:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; SLM-NOOPT-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 3
>>>>  ret i32 %mul
>>>> }
>>>> @@ -54,11 +161,47 @@ define i32 @test_mul_by_4(i32 %x) {
>>>> ; X86-NEXT:    shll $2, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_4:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (,%rdi,4), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_4:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_4:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_4:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    shll $2, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_4:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; HSW-NOOPT-NEXT:    leal (,%rdi,4), %eax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_4:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; JAG-NOOPT-NEXT:    leal (,%rdi,4), %eax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_4:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (,%rdi,4), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_4:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; SLM-NOOPT-NEXT:    leal (,%rdi,4), %eax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 4
>>>>  ret i32 %mul
>>>> }
>>>> @@ -69,11 +212,46 @@ define i32 @test_mul_by_5(i32 %x) {
>>>> ; X86-NEXT:    imull $5, {{[0-9]+}}(%esp), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_5:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (%rdi,%rdi,4), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_5:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_5:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_5:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $5, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_5:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; HSW-NOOPT-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_5:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; JAG-NOOPT-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_5:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_5:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; SLM-NOOPT-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 5
>>>>  ret i32 %mul
>>>> }
>>>> @@ -86,12 +264,46 @@ define i32 @test_mul_by_6(i32 %x) {
>>>> ; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_6:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    addl %edi, %edi
>>>> -; X64-NEXT:    leal (%rdi,%rdi,2), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_6:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    addl %edi, %edi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_6:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    addl %edi, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_6:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $6, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_6:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $6, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_6:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $6, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_6:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    addl %edi, %edi # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_6:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $6, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 6
>>>>  ret i32 %mul
>>>> }
>>>> @@ -104,12 +316,46 @@ define i32 @test_mul_by_7(i32 %x) {
>>>> ; X86-NEXT:    subl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_7:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (,%rdi,8), %eax
>>>> -; X64-NEXT:    subl %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_7:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_7:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subl %edi, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_7:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $7, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_7:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $7, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_7:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $7, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_7:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (,%rdi,8), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    subl %edi, %eax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_7:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $7, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 7
>>>>  ret i32 %mul
>>>> }
>>>> @@ -121,11 +367,47 @@ define i32 @test_mul_by_8(i32 %x) {
>>>> ; X86-NEXT:    shll $3, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_8:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (,%rdi,8), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_8:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_8:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_8:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    shll $3, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_8:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; HSW-NOOPT-NEXT:    leal (,%rdi,8), %eax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_8:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; JAG-NOOPT-NEXT:    leal (,%rdi,8), %eax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_8:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (,%rdi,8), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_8:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; SLM-NOOPT-NEXT:    leal (,%rdi,8), %eax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 8
>>>>  ret i32 %mul
>>>> }
>>>> @@ -136,11 +418,46 @@ define i32 @test_mul_by_9(i32 %x) {
>>>> ; X86-NEXT:    imull $9, {{[0-9]+}}(%esp), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_9:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (%rdi,%rdi,8), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_9:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_9:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_9:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $9, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_9:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; HSW-NOOPT-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_9:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; JAG-NOOPT-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_9:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_9:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; SLM-NOOPT-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 9
>>>>  ret i32 %mul
>>>> }
>>>> @@ -153,12 +470,46 @@ define i32 @test_mul_by_10(i32 %x) {
>>>> ; X86-NEXT:    leal (%eax,%eax,4), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_10:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    addl %edi, %edi
>>>> -; X64-NEXT:    leal (%rdi,%rdi,4), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_10:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    addl %edi, %edi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_10:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    addl %edi, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_10:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $10, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_10:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $10, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_10:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $10, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_10:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    addl %edi, %edi # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_10:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $10, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 10
>>>>  ret i32 %mul
>>>> }
>>>> @@ -166,13 +517,49 @@ define i32 @test_mul_by_10(i32 %x) {
>>>> define i32 @test_mul_by_11(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_11:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $11, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,4), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,2), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_11:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $11, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_11:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_11:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_11:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $11, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_11:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $11, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_11:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $11, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_11:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $11, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_11:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $11, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 11
>>>>  ret i32 %mul
>>>> }
>>>> @@ -185,12 +572,46 @@ define i32 @test_mul_by_12(i32 %x) {
>>>> ; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_12:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    shll $2, %edi
>>>> -; X64-NEXT:    leal (%rdi,%rdi,2), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_12:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    shll $2, %edi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_12:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    shll $2, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_12:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $12, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_12:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $12, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_12:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $12, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_12:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    shll $2, %edi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_12:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $12, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 12
>>>>  ret i32 %mul
>>>> }
>>>> @@ -198,13 +619,49 @@ define i32 @test_mul_by_12(i32 %x) {
>>>> define i32 @test_mul_by_13(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_13:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $13, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,4), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_13:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $13, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_13:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_13:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_13:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $13, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_13:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $13, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_13:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $13, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_13:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $13, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_13:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $13, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 13
>>>>  ret i32 %mul
>>>> }
>>>> @@ -212,13 +669,52 @@ define i32 @test_mul_by_13(i32 %x) {
>>>> define i32 @test_mul_by_14(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_14:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $14, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,2), %eax
>>>> +; X86-NEXT:    leal (%ecx,%eax,4), %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_14:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $14, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_14:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_14:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addl %edi, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_14:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $14, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_14:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $14, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_14:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $14, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_14:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $14, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_14:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $14, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 14
>>>>  ret i32 %mul
>>>> }
>>>> @@ -231,12 +727,46 @@ define i32 @test_mul_by_15(i32 %x) {
>>>> ; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_15:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (%rdi,%rdi,4), %eax
>>>> -; X64-NEXT:    leal (%rax,%rax,2), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_15:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_15:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_15:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $15, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_15:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $15, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_15:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $15, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_15:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_15:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $15, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 15
>>>>  ret i32 %mul
>>>> }
>>>> @@ -248,11 +778,47 @@ define i32 @test_mul_by_16(i32 %x) {
>>>> ; X86-NEXT:    shll $4, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_16:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    shll $4, %edi
>>>> -; X64-NEXT:    movl %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_16:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    shll $4, %edi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_16:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    shll $4, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_16:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    shll $4, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_16:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    shll $4, %edi # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_16:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    shll $4, %edi # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_16:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    shll $4, %edi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    movl %edi, %eax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_16:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    shll $4, %edi # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    movl %edi, %eax # sched: [1:0.50]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 16
>>>>  ret i32 %mul
>>>> }
>>>> @@ -266,13 +832,49 @@ define i32 @test_mul_by_17(i32 %x) {
>>>> ; X86-NEXT:    addl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_17:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    movl %edi, %eax
>>>> -; X64-NEXT:    shll $4, %eax
>>>> -; X64-NEXT:    leal (%rax,%rdi), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_17:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    shll $4, %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rax,%rdi), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_17:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    shll $4, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rax,%rdi), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_17:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $17, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_17:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $17, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_17:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $17, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_17:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    movl %edi, %eax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    shll $4, %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leal (%rax,%rdi), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_17:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $17, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 17
>>>>  ret i32 %mul
>>>> }
>>>> @@ -285,12 +887,46 @@ define i32 @test_mul_by_18(i32 %x) {
>>>> ; X86-NEXT:    leal (%eax,%eax,8), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_18:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    addl %edi, %edi
>>>> -; X64-NEXT:    leal (%rdi,%rdi,8), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_18:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    addl %edi, %edi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_18:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    addl %edi, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_18:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $18, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_18:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $18, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_18:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $18, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_18:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    addl %edi, %edi # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_18:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $18, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 18
>>>>  ret i32 %mul
>>>> }
>>>> @@ -298,13 +934,54 @@ define i32 @test_mul_by_18(i32 %x) {
>>>> define i32 @test_mul_by_19(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_19:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $19, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,4), %ecx
>>>> +; X86-NEXT:    shll $2, %ecx
>>>> +; X86-NEXT:    subl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_19:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $19, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_19:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    shll $2, %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subl %eax, %edi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_19:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    shll $2, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subl %eax, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_19:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $19, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_19:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $19, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_19:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $19, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_19:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $19, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_19:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $19, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 19
>>>>  ret i32 %mul
>>>> }
>>>> @@ -317,12 +994,46 @@ define i32 @test_mul_by_20(i32 %x) {
>>>> ; X86-NEXT:    leal (%eax,%eax,4), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_20:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    shll $2, %edi
>>>> -; X64-NEXT:    leal (%rdi,%rdi,4), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_20:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    shll $2, %edi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_20:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    shll $2, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_20:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $20, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_20:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $20, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_20:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $20, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_20:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    shll $2, %edi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_20:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $20, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 20
>>>>  ret i32 %mul
>>>> }
>>>> @@ -330,13 +1041,49 @@ define i32 @test_mul_by_20(i32 %x) {
>>>> define i32 @test_mul_by_21(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_21:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $21, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,4), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,4), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_21:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $21, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_21:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_21:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_21:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $21, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_21:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $21, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_21:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $21, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_21:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $21, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_21:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $21, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 21
>>>>  ret i32 %mul
>>>> }
>>>> @@ -344,13 +1091,52 @@ define i32 @test_mul_by_21(i32 %x) {
>>>> define i32 @test_mul_by_22(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_22:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $22, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,4), %eax
>>>> +; X86-NEXT:    leal (%ecx,%eax,4), %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_22:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $22, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_22:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_22:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addl %edi, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_22:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $22, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_22:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $22, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_22:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $22, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_22:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $22, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_22:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $22, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 22
>>>>  ret i32 %mul
>>>> }
>>>> @@ -358,13 +1144,54 @@ define i32 @test_mul_by_22(i32 %x) {
>>>> define i32 @test_mul_by_23(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_23:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $23, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %ecx
>>>> +; X86-NEXT:    shll $3, %ecx
>>>> +; X86-NEXT:    subl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_23:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $23, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_23:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    shll $3, %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subl %eax, %edi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_23:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    shll $3, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subl %eax, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_23:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $23, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_23:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $23, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_23:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $23, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_23:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $23, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_23:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $23, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 23
>>>>  ret i32 %mul
>>>> }
>>>> @@ -377,12 +1204,46 @@ define i32 @test_mul_by_24(i32 %x) {
>>>> ; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_24:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    shll $3, %edi
>>>> -; X64-NEXT:    leal (%rdi,%rdi,2), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_24:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    shll $3, %edi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_24:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    shll $3, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_24:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $24, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_24:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $24, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_24:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $24, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_24:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    shll $3, %edi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,2), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_24:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $24, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 24
>>>>  ret i32 %mul
>>>> }
>>>> @@ -395,12 +1256,46 @@ define i32 @test_mul_by_25(i32 %x) {
>>>> ; X86-NEXT:    leal (%eax,%eax,4), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_25:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (%rdi,%rdi,4), %eax
>>>> -; X64-NEXT:    leal (%rax,%rax,4), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_25:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rax,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_25:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rax,%rax,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_25:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $25, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_25:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $25, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_25:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $25, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_25:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leal (%rax,%rax,4), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_25:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $25, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 25
>>>>  ret i32 %mul
>>>> }
>>>> @@ -408,13 +1303,54 @@ define i32 @test_mul_by_25(i32 %x) {
>>>> define i32 @test_mul_by_26(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_26:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $26, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,8), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,2), %ecx
>>>> +; X86-NEXT:    subl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_26:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $26, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_26:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subl %eax, %edi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_26:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subl %eax, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_26:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $26, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_26:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $26, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_26:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $26, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_26:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $26, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_26:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $26, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 26
>>>>  ret i32 %mul
>>>> }
>>>> @@ -427,12 +1363,46 @@ define i32 @test_mul_by_27(i32 %x) {
>>>> ; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_27:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> -; X64-NEXT:    leal (%rdi,%rdi,8), %eax
>>>> -; X64-NEXT:    leal (%rax,%rax,2), %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_27:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_27:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_27:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $27, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_27:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $27, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_27:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $27, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_27:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_27:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $27, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 27
>>>>  ret i32 %mul
>>>> }
>>>> @@ -440,13 +1410,52 @@ define i32 @test_mul_by_27(i32 %x) {
>>>> define i32 @test_mul_by_28(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_28:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $28, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,8), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_28:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $28, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_28:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_28:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addl %edi, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_28:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $28, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_28:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $28, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_28:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $28, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_28:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $28, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_28:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $28, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 28
>>>>  ret i32 %mul
>>>> }
>>>> @@ -454,13 +1463,55 @@ define i32 @test_mul_by_28(i32 %x) {
>>>> define i32 @test_mul_by_29(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_29:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $29, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,8), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> +; X86-NEXT:    addl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_29:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $29, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_29:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    addl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_29:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal (%rdi,%rdi,8), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal (%rax,%rax,2), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addl %edi, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addl %edi, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_29:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $29, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_29:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $29, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_29:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $29, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_29:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $29, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_29:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $29, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 29
>>>>  ret i32 %mul
>>>> }
>>>> @@ -468,13 +1519,58 @@ define i32 @test_mul_by_29(i32 %x) {
>>>> define i32 @test_mul_by_30(i32 %x) {
>>>> ; X86-LABEL: test_mul_by_30:
>>>> ; X86:       # BB#0:
>>>> -; X86-NEXT:    imull $30, {{[0-9]+}}(%esp), %eax
>>>> -; X86-NEXT:    retl
>>>> -;
>>>> -; X64-LABEL: test_mul_by_30:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imull $30, %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    movl %eax, %ecx
>>>> +; X86-NEXT:    shll $5, %ecx
>>>> +; X86-NEXT:    movl %eax, %edx
>>>> +; X86-NEXT:    subl %ecx, %edx
>>>> +; X86-NEXT:    subl %edx, %eax
>>>> +; X86-NEXT:    retl
>>>> +;
>>>> +; X64-HSW-LABEL: test_mul_by_30:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    shll $5, %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    movl %edi, %ecx # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    subl %eax, %ecx # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    subl %ecx, %edi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_30:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    movl %edi, %ecx # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    shll $5, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subl %eax, %ecx # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subl %ecx, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_30:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $30, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_30:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $30, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_30:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $30, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_30:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imull $30, %edi, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_30:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $30, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 30
>>>>  ret i32 %mul
>>>> }
>>>> @@ -488,12 +1584,46 @@ define i32 @test_mul_by_31(i32 %x) {
>>>> ; X86-NEXT:    subl %ecx, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_31:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    movl %edi, %eax
>>>> -; X64-NEXT:    shll $5, %eax
>>>> -; X64-NEXT:    subl %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_31:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    shll $5, %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_31:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    shll $5, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subl %edi, %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_31:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    imull $31, {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_31:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imull $31, %edi, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_31:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imull $31, %edi, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_31:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    movl %edi, %eax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    shll $5, %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    subl %edi, %eax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_31:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imull $31, %edi, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 31
>>>>  ret i32 %mul
>>>> }
>>>> @@ -505,11 +1635,124 @@ define i32 @test_mul_by_32(i32 %x) {
>>>> ; X86-NEXT:    shll $5, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_32:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    shll $5, %edi
>>>> -; X64-NEXT:    movl %edi, %eax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_32:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    shll $5, %edi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_32:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    shll $5, %edi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_32:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    shll $5, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_32:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    shll $5, %edi # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    movl %edi, %eax # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_32:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    shll $5, %edi # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    movl %edi, %eax # sched: [1:0.17]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_32:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    shll $5, %edi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    movl %edi, %eax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_32:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    shll $5, %edi # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    movl %edi, %eax # sched: [1:0.50]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i32 %x, 32
>>>>  ret i32 %mul
>>>> }
>>>> +
>>>> +; (x*9+42)*(x*5+2)
>>>> +define i32 @test_mul_spec(i32 %x) nounwind {
>>>> +; X86-LABEL: test_mul_spec:
>>>> +; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal 42(%eax,%eax,8), %ecx
>>>> +; X86-NEXT:    leal 2(%eax,%eax,4), %eax
>>>> +; X86-NEXT:    imull %ecx, %eax
>>>> +; X86-NEXT:    retl
>>>> +;
>>>> +; X64-HSW-LABEL: test_mul_spec:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,8), %ecx # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addl $42, %ecx # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addl $2, %eax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    imull %ecx, %eax # sched: [4:1.00]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_spec:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-JAG-NEXT:    leal 42(%rdi,%rdi,8), %ecx # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leal 2(%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    imull %ecx, %eax # sched: [3:1.00]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_spec:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    leal 42(%eax,%eax,8), %ecx
>>>> +; X86-NOOPT-NEXT:    leal 2(%eax,%eax,4), %eax
>>>> +; X86-NOOPT-NEXT:    imull %ecx, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_spec:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; HSW-NOOPT-NEXT:    leal (%rdi,%rdi,8), %ecx # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    addl $42, %ecx # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    leal (%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    addl $2, %eax # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    imull %ecx, %eax # sched: [4:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_spec:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; JAG-NOOPT-NEXT:    leal 42(%rdi,%rdi,8), %ecx # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    leal 2(%rdi,%rdi,4), %eax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    imull %ecx, %eax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_spec:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; X64-SLM-NEXT:    leal 42(%rdi,%rdi,8), %ecx # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leal 2(%rdi,%rdi,4), %eax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    imull %ecx, %eax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_spec:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
>>>> +; SLM-NOOPT-NEXT:    leal 42(%rdi,%rdi,8), %ecx # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    leal 2(%rdi,%rdi,4), %eax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    imull %ecx, %eax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +  %mul = mul nsw i32 %x, 9
>>>> +  %add = add nsw i32 %mul, 42
>>>> +  %mul2 = mul nsw i32 %x, 5
>>>> +  %add2 = add nsw i32 %mul2, 2
>>>> +  %mul3 = mul nsw i32 %add, %add2
>>>> +  ret i32 %mul3
>>>> +}
>>>> 
>>>> Modified: llvm/trunk/test/CodeGen/X86/mul-constant-i64.ll
>>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/mul-constant-i64.ll?rev=304209&r1=304208&r2=304209&view=diff
>>>> ==============================================================================
>>>> --- llvm/trunk/test/CodeGen/X86/mul-constant-i64.ll (original)
>>>> +++ llvm/trunk/test/CodeGen/X86/mul-constant-i64.ll Tue May 30 08:00:44 2017
>>>> @@ -1,18 +1,55 @@
>>>> ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
>>>> ; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86
>>>> -; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule=true -mcpu=haswell| FileCheck %s --check-prefix=X64-HSW
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule=true -mcpu=btver2| FileCheck %s --check-prefix=X64-JAG
>>>> +; RUN: llc < %s -mtriple=i686-unknown -mul-constant-optimization=false | FileCheck %s --check-prefix=X86-NOOPT
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -mul-constant-optimization=false -print-schedule=true -mcpu=haswell| FileCheck %s --check-prefix=HSW-NOOPT
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -mul-constant-optimization=false -print-schedule=true -mcpu=btver2| FileCheck %s --check-prefix=JAG-NOOPT
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule=true -mcpu=slm| FileCheck %s --check-prefix=X64-SLM
>>>> +; RUN: llc < %s -mtriple=x86_64-unknown -mul-constant-optimization=false -print-schedule=true -mcpu=slm| FileCheck %s --check-prefix=SLM-NOOPT
>>>> 
>>>> -define i64 @test_mul_by_1(i64 %x) {
>>>> +define i64 @test_mul_by_1(i64 %x) nounwind {
>>>> ; X86-LABEL: test_mul_by_1:
>>>> ; X86:       # BB#0:
>>>> ; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_1:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    movq %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_1:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_1:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_1:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_1:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_1:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_1:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    movq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_1:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    movq %rdi, %rax # sched: [1:0.50]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 1
>>>>  ret i64 %mul
>>>> }
>>>> @@ -26,10 +63,43 @@ define i64 @test_mul_by_2(i64 %x) {
>>>> ; X86-NEXT:    addl %eax, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_2:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (%rdi,%rdi), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_2:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_2:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_2:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %edx
>>>> +; X86-NOOPT-NEXT:    shldl $1, %eax, %edx
>>>> +; X86-NOOPT-NEXT:    addl %eax, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_2:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    leaq (%rdi,%rdi), %rax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_2:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    leaq (%rdi,%rdi), %rax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_2:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_2:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    leaq (%rdi,%rdi), %rax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 2
>>>>  ret i64 %mul
>>>> }
>>>> @@ -43,10 +113,43 @@ define i64 @test_mul_by_3(i64 %x) {
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_3:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,2), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_3:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_3:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_3:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $3, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $3, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_3:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_3:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_3:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_3:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 3
>>>>  ret i64 %mul
>>>> }
>>>> @@ -60,10 +163,43 @@ define i64 @test_mul_by_4(i64 %x) {
>>>> ; X86-NEXT:    shll $2, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_4:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (,%rdi,4), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_4:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_4:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_4:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %edx
>>>> +; X86-NOOPT-NEXT:    shldl $2, %eax, %edx
>>>> +; X86-NOOPT-NEXT:    shll $2, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_4:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    leaq (,%rdi,4), %rax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_4:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    leaq (,%rdi,4), %rax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_4:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (,%rdi,4), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_4:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    leaq (,%rdi,4), %rax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 4
>>>>  ret i64 %mul
>>>> }
>>>> @@ -77,10 +213,43 @@ define i64 @test_mul_by_5(i64 %x) {
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_5:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,4), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_5:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_5:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_5:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $5, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $5, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_5:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_5:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_5:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_5:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 5
>>>>  ret i64 %mul
>>>> }
>>>> @@ -95,11 +264,46 @@ define i64 @test_mul_by_6(i64 %x) {
>>>> ; X86-NEXT:    leal (%edx,%ecx,2), %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_6:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    addq %rdi, %rdi
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,2), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_6:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    addq %rdi, %rdi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_6:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    addq %rdi, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_6:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $6, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $6, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_6:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $6, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_6:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $6, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_6:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    addq %rdi, %rdi # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_6:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $6, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 6
>>>>  ret i64 %mul
>>>> }
>>>> @@ -115,11 +319,46 @@ define i64 @test_mul_by_7(i64 %x) {
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_7:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (,%rdi,8), %rax
>>>> -; X64-NEXT:    subq %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_7:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_7:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_7:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $7, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $7, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_7:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $7, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_7:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $7, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_7:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (,%rdi,8), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    subq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_7:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $7, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 7
>>>>  ret i64 %mul
>>>> }
>>>> @@ -133,10 +372,43 @@ define i64 @test_mul_by_8(i64 %x) {
>>>> ; X86-NEXT:    shll $3, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_8:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (,%rdi,8), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_8:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_8:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_8:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %edx
>>>> +; X86-NOOPT-NEXT:    shldl $3, %eax, %edx
>>>> +; X86-NOOPT-NEXT:    shll $3, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_8:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    leaq (,%rdi,8), %rax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_8:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    leaq (,%rdi,8), %rax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_8:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (,%rdi,8), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_8:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    leaq (,%rdi,8), %rax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 8
>>>>  ret i64 %mul
>>>> }
>>>> @@ -150,10 +422,43 @@ define i64 @test_mul_by_9(i64 %x) {
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_9:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,8), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_9:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_9:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_9:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $9, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $9, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_9:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_9:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_9:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_9:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 9
>>>>  ret i64 %mul
>>>> }
>>>> @@ -168,11 +473,46 @@ define i64 @test_mul_by_10(i64 %x) {
>>>> ; X86-NEXT:    leal (%edx,%ecx,2), %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_10:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    addq %rdi, %rdi
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,4), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_10:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    addq %rdi, %rdi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_10:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    addq %rdi, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_10:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $10, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $10, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_10:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $10, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_10:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $10, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_10:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    addq %rdi, %rdi # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_10:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $10, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 10
>>>>  ret i64 %mul
>>>> }
>>>> @@ -180,16 +520,53 @@ define i64 @test_mul_by_10(i64 %x) {
>>>> define i64 @test_mul_by_11(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_11:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,4), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,2), %ecx
>>>> ; X86-NEXT:    movl $11, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $11, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_11:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $11, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_11:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_11:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_11:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $11, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $11, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_11:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $11, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_11:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $11, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_11:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $11, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_11:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $11, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 11
>>>>  ret i64 %mul
>>>> }
>>>> @@ -204,11 +581,46 @@ define i64 @test_mul_by_12(i64 %x) {
>>>> ; X86-NEXT:    leal (%edx,%ecx,4), %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_12:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    shlq $2, %rdi
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,2), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_12:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    shlq $2, %rdi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_12:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    shlq $2, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_12:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $12, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $12, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_12:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $12, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_12:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $12, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_12:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    shlq $2, %rdi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_12:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $12, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 12
>>>>  ret i64 %mul
>>>> }
>>>> @@ -216,16 +628,53 @@ define i64 @test_mul_by_12(i64 %x) {
>>>> define i64 @test_mul_by_13(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_13:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,4), %ecx
>>>> ; X86-NEXT:    movl $13, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $13, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_13:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $13, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_13:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_13:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_13:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $13, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $13, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_13:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $13, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_13:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $13, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_13:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $13, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_13:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $13, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 13
>>>>  ret i64 %mul
>>>> }
>>>> @@ -233,16 +682,56 @@ define i64 @test_mul_by_13(i64 %x) {
>>>> define i64 @test_mul_by_14(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_14:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,4), %ecx
>>>> +; X86-NEXT:    addl %eax, %ecx
>>>> ; X86-NEXT:    movl $14, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $14, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_14:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $14, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_14:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_14:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_14:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $14, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $14, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_14:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $14, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_14:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $14, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_14:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $14, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_14:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $14, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 14
>>>>  ret i64 %mul
>>>> }
>>>> @@ -258,11 +747,46 @@ define i64 @test_mul_by_15(i64 %x) {
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_15:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,4), %rax
>>>> -; X64-NEXT:    leaq (%rax,%rax,2), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_15:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_15:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_15:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $15, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $15, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_15:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $15, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_15:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $15, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_15:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_15:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $15, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 15
>>>>  ret i64 %mul
>>>> }
>>>> @@ -276,11 +800,49 @@ define i64 @test_mul_by_16(i64 %x) {
>>>> ; X86-NEXT:    shll $4, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_16:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    shlq $4, %rdi
>>>> -; X64-NEXT:    movq %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_16:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    shlq $4, %rdi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_16:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    shlq $4, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_16:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %edx
>>>> +; X86-NOOPT-NEXT:    shldl $4, %eax, %edx
>>>> +; X86-NOOPT-NEXT:    shll $4, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_16:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    shlq $4, %rdi # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_16:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    shlq $4, %rdi # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_16:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    shlq $4, %rdi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    movq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_16:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    shlq $4, %rdi # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    movq %rdi, %rax # sched: [1:0.50]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 16
>>>>  ret i64 %mul
>>>> }
>>>> @@ -297,12 +859,49 @@ define i64 @test_mul_by_17(i64 %x) {
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_17:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    movq %rdi, %rax
>>>> -; X64-NEXT:    shlq $4, %rax
>>>> -; X64-NEXT:    leaq (%rax,%rdi), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_17:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    shlq $4, %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rax,%rdi), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_17:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    shlq $4, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rax,%rdi), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_17:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $17, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $17, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_17:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $17, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_17:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $17, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_17:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    movq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    shlq $4, %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    addq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_17:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $17, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 17
>>>>  ret i64 %mul
>>>> }
>>>> @@ -317,11 +916,46 @@ define i64 @test_mul_by_18(i64 %x) {
>>>> ; X86-NEXT:    leal (%edx,%ecx,2), %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_18:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    addq %rdi, %rdi
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,8), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_18:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    addq %rdi, %rdi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_18:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    addq %rdi, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_18:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $18, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $18, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_18:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $18, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_18:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $18, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_18:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    addq %rdi, %rdi # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_18:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $18, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 18
>>>>  ret i64 %mul
>>>> }
>>>> @@ -329,16 +963,58 @@ define i64 @test_mul_by_18(i64 %x) {
>>>> define i64 @test_mul_by_19(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_19:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,4), %eax
>>>> +; X86-NEXT:    shll $2, %eax
>>>> +; X86-NEXT:    subl %eax, %ecx
>>>> ; X86-NEXT:    movl $19, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $19, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_19:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $19, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_19:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    shlq $2, %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subq %rax, %rdi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_19:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    shlq $2, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subq %rax, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_19:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $19, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $19, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_19:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $19, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_19:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $19, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_19:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $19, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_19:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $19, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 19
>>>>  ret i64 %mul
>>>> }
>>>> @@ -353,11 +1029,46 @@ define i64 @test_mul_by_20(i64 %x) {
>>>> ; X86-NEXT:    leal (%edx,%ecx,4), %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_20:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    shlq $2, %rdi
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,4), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_20:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    shlq $2, %rdi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_20:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    shlq $2, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_20:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $20, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $20, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_20:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $20, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_20:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $20, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_20:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    shlq $2, %rdi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_20:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $20, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 20
>>>>  ret i64 %mul
>>>> }
>>>> @@ -365,16 +1076,53 @@ define i64 @test_mul_by_20(i64 %x) {
>>>> define i64 @test_mul_by_21(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_21:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,4), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,4), %ecx
>>>> ; X86-NEXT:    movl $21, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $21, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_21:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $21, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_21:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_21:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_21:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $21, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $21, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_21:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $21, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_21:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $21, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_21:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $21, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_21:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $21, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 21
>>>>  ret i64 %mul
>>>> }
>>>> @@ -382,16 +1130,56 @@ define i64 @test_mul_by_21(i64 %x) {
>>>> define i64 @test_mul_by_22(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_22:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,4), %ecx
>>>> +; X86-NEXT:    leal (%eax,%ecx,4), %ecx
>>>> +; X86-NEXT:    addl %eax, %ecx
>>>> ; X86-NEXT:    movl $22, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $22, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_22:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $22, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_22:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_22:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_22:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $22, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $22, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_22:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $22, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_22:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $22, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_22:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $22, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_22:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $22, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 22
>>>>  ret i64 %mul
>>>> }
>>>> @@ -399,16 +1187,58 @@ define i64 @test_mul_by_22(i64 %x) {
>>>> define i64 @test_mul_by_23(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_23:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,2), %eax
>>>> +; X86-NEXT:    shll $3, %eax
>>>> +; X86-NEXT:    subl %eax, %ecx
>>>> ; X86-NEXT:    movl $23, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $23, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_23:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $23, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_23:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    shlq $3, %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subq %rax, %rdi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_23:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    shlq $3, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subq %rax, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_23:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $23, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $23, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_23:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $23, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_23:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $23, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_23:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $23, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_23:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $23, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 23
>>>>  ret i64 %mul
>>>> }
>>>> @@ -423,11 +1253,46 @@ define i64 @test_mul_by_24(i64 %x) {
>>>> ; X86-NEXT:    leal (%edx,%ecx,8), %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_24:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    shlq $3, %rdi
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,2), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_24:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    shlq $3, %rdi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_24:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    shlq $3, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_24:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $24, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $24, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_24:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $24, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_24:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $24, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_24:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    shlq $3, %rdi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,2), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_24:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $24, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 24
>>>>  ret i64 %mul
>>>> }
>>>> @@ -443,11 +1308,46 @@ define i64 @test_mul_by_25(i64 %x) {
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_25:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,4), %rax
>>>> -; X64-NEXT:    leaq (%rax,%rax,4), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_25:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rax,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_25:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rax,%rax,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_25:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $25, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $25, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_25:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $25, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_25:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $25, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_25:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leaq (%rax,%rax,4), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_25:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $25, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 25
>>>>  ret i64 %mul
>>>> }
>>>> @@ -455,16 +1355,58 @@ define i64 @test_mul_by_25(i64 %x) {
>>>> define i64 @test_mul_by_26(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_26:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,8), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,2), %eax
>>>> +; X86-NEXT:    subl %eax, %ecx
>>>> ; X86-NEXT:    movl $26, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $26, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_26:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $26, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_26:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subq %rax, %rdi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_26:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subq %rax, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_26:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $26, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $26, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_26:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $26, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_26:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $26, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_26:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $26, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_26:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $26, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 26
>>>>  ret i64 %mul
>>>> }
>>>> @@ -480,11 +1422,46 @@ define i64 @test_mul_by_27(i64 %x) {
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_27:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    leaq (%rdi,%rdi,8), %rax
>>>> -; X64-NEXT:    leaq (%rax,%rax,2), %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_27:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_27:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_27:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $27, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $27, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_27:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $27, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_27:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $27, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_27:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_27:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $27, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 27
>>>>  ret i64 %mul
>>>> }
>>>> @@ -492,16 +1469,56 @@ define i64 @test_mul_by_27(i64 %x) {
>>>> define i64 @test_mul_by_28(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_28:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,8), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,2), %ecx
>>>> +; X86-NEXT:    addl %eax, %ecx
>>>> ; X86-NEXT:    movl $28, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $28, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_28:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $28, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_28:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_28:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_28:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $28, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $28, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_28:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $28, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_28:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $28, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_28:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $28, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_28:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $28, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 28
>>>>  ret i64 %mul
>>>> }
>>>> @@ -509,16 +1526,59 @@ define i64 @test_mul_by_28(i64 %x) {
>>>> define i64 @test_mul_by_29(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_29:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NEXT:    leal (%eax,%eax,8), %ecx
>>>> +; X86-NEXT:    leal (%ecx,%ecx,2), %ecx
>>>> +; X86-NEXT:    addl %eax, %ecx
>>>> +; X86-NEXT:    addl %eax, %ecx
>>>> ; X86-NEXT:    movl $29, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $29, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_29:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $29, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_29:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    addq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_29:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq (%rdi,%rdi,8), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq (%rax,%rax,2), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    addq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_29:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $29, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $29, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_29:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $29, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_29:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $29, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_29:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $29, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_29:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $29, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 29
>>>>  ret i64 %mul
>>>> }
>>>> @@ -526,16 +1586,60 @@ define i64 @test_mul_by_29(i64 %x) {
>>>> define i64 @test_mul_by_30(i64 %x) {
>>>> ; X86-LABEL: test_mul_by_30:
>>>> ; X86:       # BB#0:
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    shll $5, %ecx
>>>> ; X86-NEXT:    movl $30, %eax
>>>> ; X86-NEXT:    mull {{[0-9]+}}(%esp)
>>>> -; X86-NEXT:    imull $30, {{[0-9]+}}(%esp), %ecx
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_30:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    imulq $30, %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_30:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    shlq $5, %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    movq %rdi, %rcx # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    subq %rax, %rcx # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    subq %rcx, %rdi # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_30:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    movq %rdi, %rcx # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    shlq $5, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subq %rax, %rcx # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subq %rcx, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_30:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $30, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $30, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_30:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $30, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_30:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $30, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_30:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    imulq $30, %rdi, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_30:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $30, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 30
>>>>  ret i64 %mul
>>>> }
>>>> @@ -552,12 +1656,49 @@ define i64 @test_mul_by_31(i64 %x) {
>>>> ; X86-NEXT:    addl %ecx, %edx
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_31:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    movq %rdi, %rax
>>>> -; X64-NEXT:    shlq $5, %rax
>>>> -; X64-NEXT:    subq %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_31:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    shlq $5, %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    subq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_31:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    shlq $5, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    subq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_31:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl $31, %eax
>>>> +; X86-NOOPT-NEXT:    mull {{[0-9]+}}(%esp)
>>>> +; X86-NOOPT-NEXT:    imull $31, {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_31:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    imulq $31, %rdi, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_31:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    imulq $31, %rdi, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_31:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    movq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    shlq $5, %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    subq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_31:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    imulq $31, %rdi, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 31
>>>>  ret i64 %mul
>>>> }
>>>> @@ -571,11 +1712,168 @@ define i64 @test_mul_by_32(i64 %x) {
>>>> ; X86-NEXT:    shll $5, %eax
>>>> ; X86-NEXT:    retl
>>>> ;
>>>> -; X64-LABEL: test_mul_by_32:
>>>> -; X64:       # BB#0:
>>>> -; X64-NEXT:    shlq $5, %rdi
>>>> -; X64-NEXT:    movq %rdi, %rax
>>>> -; X64-NEXT:    retq
>>>> +; X64-HSW-LABEL: test_mul_by_32:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    shlq $5, %rdi # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_by_32:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    shlq $5, %rdi # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_by_32:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %eax
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %edx
>>>> +; X86-NOOPT-NEXT:    shldl $5, %eax, %edx
>>>> +; X86-NOOPT-NEXT:    shll $5, %eax
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_by_32:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    shlq $5, %rdi # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    movq %rdi, %rax # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_by_32:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    shlq $5, %rdi # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    movq %rdi, %rax # sched: [1:0.17]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_by_32:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    shlq $5, %rdi # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    movq %rdi, %rax # sched: [1:0.50]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_by_32:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    shlq $5, %rdi # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    movq %rdi, %rax # sched: [1:0.50]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>>  %mul = mul nsw i64 %x, 32
>>>>  ret i64 %mul
>>>> }
>>>> +
>>>> +; (x*9+42)*(x*5+2)
>>>> +define i64 @test_mul_spec(i64 %x) nounwind {
>>>> +; X86-LABEL: test_mul_spec:
>>>> +; X86:       # BB#0:
>>>> +; X86-NEXT:    pushl %ebx
>>>> +; X86-NEXT:    pushl %edi
>>>> +; X86-NEXT:    pushl %esi
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
>>>> +; X86-NEXT:    movl $9, %edx
>>>> +; X86-NEXT:    movl %ecx, %eax
>>>> +; X86-NEXT:    mull %edx
>>>> +; X86-NEXT:    movl %eax, %esi
>>>> +; X86-NEXT:    leal (%edi,%edi,8), %ebx
>>>> +; X86-NEXT:    addl $42, %esi
>>>> +; X86-NEXT:    adcl %edx, %ebx
>>>> +; X86-NEXT:    movl $5, %edx
>>>> +; X86-NEXT:    movl %ecx, %eax
>>>> +; X86-NEXT:    mull %edx
>>>> +; X86-NEXT:    movl %eax, %ecx
>>>> +; X86-NEXT:    leal (%edi,%edi,4), %edi
>>>> +; X86-NEXT:    addl $2, %ecx
>>>> +; X86-NEXT:    adcl %edx, %edi
>>>> +; X86-NEXT:    movl %esi, %eax
>>>> +; X86-NEXT:    mull %ecx
>>>> +; X86-NEXT:    imull %esi, %edi
>>>> +; X86-NEXT:    addl %edi, %edx
>>>> +; X86-NEXT:    imull %ebx, %ecx
>>>> +; X86-NEXT:    addl %ecx, %edx
>>>> +; X86-NEXT:    popl %esi
>>>> +; X86-NEXT:    popl %edi
>>>> +; X86-NEXT:    popl %ebx
>>>> +; X86-NEXT:    retl
>>>> +;
>>>> +; X64-HSW-LABEL: test_mul_spec:
>>>> +; X64-HSW:       # BB#0:
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,8), %rcx # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addq $42, %rcx # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-HSW-NEXT:    addq $2, %rax # sched: [1:0.25]
>>>> +; X64-HSW-NEXT:    imulq %rcx, %rax # sched: [3:1.00]
>>>> +; X64-HSW-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; X64-JAG-LABEL: test_mul_spec:
>>>> +; X64-JAG:       # BB#0:
>>>> +; X64-JAG-NEXT:    leaq 42(%rdi,%rdi,8), %rcx # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    leaq 2(%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; X64-JAG-NEXT:    imulq %rcx, %rax # sched: [3:1.00]
>>>> +; X64-JAG-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X86-NOOPT-LABEL: test_mul_spec:
>>>> +; X86-NOOPT:       # BB#0:
>>>> +; X86-NOOPT-NEXT:    pushl %ebx
>>>> +; X86-NOOPT-NEXT:    pushl %edi
>>>> +; X86-NOOPT-NEXT:    pushl %esi
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %ecx
>>>> +; X86-NOOPT-NEXT:    movl {{[0-9]+}}(%esp), %edi
>>>> +; X86-NOOPT-NEXT:    movl $9, %edx
>>>> +; X86-NOOPT-NEXT:    movl %ecx, %eax
>>>> +; X86-NOOPT-NEXT:    mull %edx
>>>> +; X86-NOOPT-NEXT:    movl %eax, %esi
>>>> +; X86-NOOPT-NEXT:    leal (%edi,%edi,8), %ebx
>>>> +; X86-NOOPT-NEXT:    addl $42, %esi
>>>> +; X86-NOOPT-NEXT:    adcl %edx, %ebx
>>>> +; X86-NOOPT-NEXT:    movl $5, %edx
>>>> +; X86-NOOPT-NEXT:    movl %ecx, %eax
>>>> +; X86-NOOPT-NEXT:    mull %edx
>>>> +; X86-NOOPT-NEXT:    movl %eax, %ecx
>>>> +; X86-NOOPT-NEXT:    leal (%edi,%edi,4), %edi
>>>> +; X86-NOOPT-NEXT:    addl $2, %ecx
>>>> +; X86-NOOPT-NEXT:    adcl %edx, %edi
>>>> +; X86-NOOPT-NEXT:    movl %esi, %eax
>>>> +; X86-NOOPT-NEXT:    mull %ecx
>>>> +; X86-NOOPT-NEXT:    imull %esi, %edi
>>>> +; X86-NOOPT-NEXT:    addl %edi, %edx
>>>> +; X86-NOOPT-NEXT:    imull %ebx, %ecx
>>>> +; X86-NOOPT-NEXT:    addl %ecx, %edx
>>>> +; X86-NOOPT-NEXT:    popl %esi
>>>> +; X86-NOOPT-NEXT:    popl %edi
>>>> +; X86-NOOPT-NEXT:    popl %ebx
>>>> +; X86-NOOPT-NEXT:    retl
>>>> +;
>>>> +; HSW-NOOPT-LABEL: test_mul_spec:
>>>> +; HSW-NOOPT:       # BB#0:
>>>> +; HSW-NOOPT-NEXT:    leaq (%rdi,%rdi,8), %rcx # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    addq $42, %rcx # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    leaq (%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; HSW-NOOPT-NEXT:    addq $2, %rax # sched: [1:0.25]
>>>> +; HSW-NOOPT-NEXT:    imulq %rcx, %rax # sched: [3:1.00]
>>>> +; HSW-NOOPT-NEXT:    retq # sched: [1:1.00]
>>>> +;
>>>> +; JAG-NOOPT-LABEL: test_mul_spec:
>>>> +; JAG-NOOPT:       # BB#0:
>>>> +; JAG-NOOPT-NEXT:    leaq 42(%rdi,%rdi,8), %rcx # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    leaq 2(%rdi,%rdi,4), %rax # sched: [1:0.50]
>>>> +; JAG-NOOPT-NEXT:    imulq %rcx, %rax # sched: [3:1.00]
>>>> +; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; X64-SLM-LABEL: test_mul_spec:
>>>> +; X64-SLM:       # BB#0:
>>>> +; X64-SLM-NEXT:    leaq 42(%rdi,%rdi,8), %rcx # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    leaq 2(%rdi,%rdi,4), %rax # sched: [1:1.00]
>>>> +; X64-SLM-NEXT:    imulq %rcx, %rax # sched: [3:1.00]
>>>> +; X64-SLM-NEXT:    retq # sched: [4:1.00]
>>>> +;
>>>> +; SLM-NOOPT-LABEL: test_mul_spec:
>>>> +; SLM-NOOPT:       # BB#0:
>>>> +; SLM-NOOPT-NEXT:    leaq 42(%rdi,%rdi,8), %rcx # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    leaq 2(%rdi,%rdi,4), %rax # sched: [1:1.00]
>>>> +; SLM-NOOPT-NEXT:    imulq %rcx, %rax # sched: [3:1.00]
>>>> +; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
>>>> +  %mul = mul nsw i64 %x, 9
>>>> +  %add = add nsw i64 %mul, 42
>>>> +  %mul2 = mul nsw i64 %x, 5
>>>> +  %add2 = add nsw i64 %mul2, 2
>>>> +  %mul3 = mul nsw i64 %add, %add2
>>>> +  ret i64 %mul3
>>>> +}
>>>> 
>>>> 
>>>> _______________________________________________
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>>>> llvm-commits at lists.llvm.org
>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
>>> 
>> 
>> _______________________________________________
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>> llvm-commits at lists.llvm.org
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