[llvm] 486ed88 - [ConstProp] Remove ConstantPropagation

Philip Reames via llvm-commits llvm-commits at lists.llvm.org
Thu Aug 27 09:33:59 PDT 2020


Ok, I'm not actively asking for revert, but I will note that I'd have 
preferred you just ported the pass.  I will be unsurprised to see an 
analogous pass readded in the future.

Philip

On 8/26/20 4:15 PM, Arthur Eubanks wrote:
> And IPConstantPropagation was deleted previously: 
> http://lists.llvm.org/pipermail/llvm-dev/2020-July/143773.html.
>
> On Wed, Aug 26, 2020 at 4:14 PM Arthur Eubanks <aeubanks at google.com 
> <mailto:aeubanks at google.com>> wrote:
>
>     The main reason was that it wasn't ported to the new pass manager,
>     which seems to indicate that not too many people are using it. It
>     was responsible for a significant amount of check-llvm failures
>     under the NPM because it wasn't ported. The only uses at least in
>     the LLVM codebase were only in tests. And I'd rather delete a pass
>     than port it to the NPM if nobody is using it.
>
>     On Wed, Aug 26, 2020 at 4:05 PM Philip Reames
>     <listmail at philipreames.com <mailto:listmail at philipreames.com>> wrote:
>
>         It's not clear to me what the value of this change is.  Having
>         a pass
>         which exists "just" to exercise constant propagation seems pretty
>         reasonable to me.  As your test changes note, it's sometimes
>         hard to
>         exercise constant prop logic without tripping other transforms.
>
>         I realize this was reviewed, but can you back up and explain the
>         motivation for deleting this?  Was it just the fact the code was
>         "dead"?   Or was there some deeper reason?
>
>         Philip
>
>         On 8/26/20 3:56 PM, Arthur Eubanks via llvm-commits wrote:
>         > Author: Arthur Eubanks
>         > Date: 2020-08-26T15:51:30-07:00
>         > New Revision: 486ed885339d70cd71ee55567282a43cce28d763
>         >
>         > URL:
>         https://github.com/llvm/llvm-project/commit/486ed885339d70cd71ee55567282a43cce28d763
>         > DIFF:
>         https://github.com/llvm/llvm-project/commit/486ed885339d70cd71ee55567282a43cce28d763.diff
>         >
>         > LOG: [ConstProp] Remove ConstantPropagation
>         >
>         > As discussed in
>         > http://lists.llvm.org/pipermail/llvm-dev/2020-July/143801.html.
>         >
>         > Currently no users outside of unit tests.
>         >
>         > Replace all instances in tests of -constprop with -instsimplify.
>         > Notable changes in tests:
>         > * vscale.ll - @llvm.sadd.sat.nxv16i8 is evaluated by
>         instsimplify, use a fake intrinsic instead
>         > * InsertElement.ll - insertelement undef is removed by
>         instsimplify in @insertelement_undef
>         > llvm/test/Transforms/ConstProp moved to
>         llvm/test/Transforms/InstSimplify/ConstProp
>         >
>         > Reviewed By: lattner, nikic
>         >
>         > Differential Revision: https://reviews.llvm.org/D85159
>         >
>         > Added:
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2002-03-11-ConstPropCrash.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2002-05-03-DivideByZeroException.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2002-05-03-NotOperator.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2002-09-03-SetCC-Bools.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2003-05-12-DivideError.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2005-01-28-SetCCGEP.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2006-11-30-vector-cast.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2006-12-01-TruncBoolBug.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2006-12-01-bool-casts.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2007-02-05-BitCast.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/2007-02-23-sdiv.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2008-07-07-VectorCompare.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2009-06-20-constexpr-zero-lhs.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/2009-09-01-GEP-Crash.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cos.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubeid.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubema.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubesc.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubetc.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/fmul_legacy.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/fract.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/lit.local.cfg
>         > llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/sin.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/ARM/lit.local.cfg
>         > llvm/test/Transforms/InstSimplify/ConstProp/ARM/mve-vctp.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/InsertElement.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/WebAssembly/trunc.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/WebAssembly/trunc_saturate.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/abs.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/allones.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/avx512.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/basictest.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/binop-identity-undef.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/bitcast.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/bitcount.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/bswap.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/calls-math-finite.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/calls.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/cast-vector.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/cast.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/constant-expr.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/convert-from-fp16.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/copysign.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/div-zero.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/extractelement-vscale.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/extractvalue.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/float-to-ptr-cast.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/fma.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/fneg.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/fp-undef.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/freeze.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/funnel-shift.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/gep-alias.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/gep-constanfolding-error.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/gep-zeroinit-vector.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/gep.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/insertvalue.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/loads.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/logicaltest.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/math-1.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/math-2.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/min-max.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/overflow-ops.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/phi.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/remtest.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/rint.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/round.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/saturating-add-sub.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/shift.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/smul-fix-sat.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/smul-fix.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/sse.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/timeout.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/trunc.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/trunc_vec.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/vecreduce.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/vector-undef-elts.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/vectorgep-crash.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/vscale-getelementptr.ll
>         >
>         llvm/test/Transforms/InstSimplify/ConstProp/vscale-shufflevector.ll
>         > llvm/test/Transforms/InstSimplify/ConstProp/vscale.ll
>         >
>         > Modified:
>         >      llvm/bindings/go/llvm/executionengine_test.go
>         >      llvm/bindings/go/llvm/transforms_scalar.go
>         > llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.mli
>         > llvm/bindings/ocaml/transforms/scalar_opts/scalar_opts_ocaml.c
>         >      llvm/docs/CommandLine.rst
>         >      llvm/docs/Passes.rst
>         >      llvm/include/llvm-c/Transforms/Scalar.h
>         >      llvm/include/llvm/InitializePasses.h
>         >      llvm/include/llvm/LinkAllPasses.h
>         >      llvm/include/llvm/Transforms/Scalar.h
>         >      llvm/lib/Transforms/Scalar/CMakeLists.txt
>         >      llvm/lib/Transforms/Scalar/Scalar.cpp
>         > llvm/test/Assembler/2002-04-07-HexFloatConstants.ll
>         >      llvm/test/Bitcode/extractelement.ll
>         > llvm/test/Transforms/SimplifyCFG/2005-12-03-IncorrectPHIFold.ll
>         > llvm/unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp
>         > llvm/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
>         >
>         > Removed:
>         >      llvm/lib/Transforms/Scalar/ConstantProp.cpp
>         >      llvm/test/Analysis/ConstantFolding/AMDGPU/cos.ll
>         > llvm/test/Analysis/ConstantFolding/AMDGPU/cubeid.ll
>         > llvm/test/Analysis/ConstantFolding/AMDGPU/cubema.ll
>         > llvm/test/Analysis/ConstantFolding/AMDGPU/cubesc.ll
>         > llvm/test/Analysis/ConstantFolding/AMDGPU/cubetc.ll
>         > llvm/test/Analysis/ConstantFolding/AMDGPU/fmul_legacy.ll
>         > llvm/test/Analysis/ConstantFolding/AMDGPU/fract.ll
>         > llvm/test/Analysis/ConstantFolding/AMDGPU/lit.local.cfg
>         >      llvm/test/Analysis/ConstantFolding/AMDGPU/sin.ll
>         > llvm/test/Analysis/ConstantFolding/ARM/lit.local.cfg
>         > llvm/test/Analysis/ConstantFolding/ARM/mve-vctp.ll
>         > llvm/test/Analysis/ConstantFolding/WebAssembly/trunc.ll
>         > llvm/test/Analysis/ConstantFolding/WebAssembly/trunc_saturate.ll
>         >      llvm/test/Analysis/ConstantFolding/abs.ll
>         >      llvm/test/Analysis/ConstantFolding/allones.ll
>         > llvm/test/Analysis/ConstantFolding/binop-identity-undef.ll
>         >      llvm/test/Analysis/ConstantFolding/bitcount.ll
>         > llvm/test/Analysis/ConstantFolding/cast-vector.ll
>         >      llvm/test/Analysis/ConstantFolding/copysign.ll
>         > llvm/test/Analysis/ConstantFolding/extractelement-vscale.ll
>         >      llvm/test/Analysis/ConstantFolding/fneg.ll
>         >      llvm/test/Analysis/ConstantFolding/fp-undef.ll
>         >      llvm/test/Analysis/ConstantFolding/freeze.ll
>         > llvm/test/Analysis/ConstantFolding/funnel-shift.ll
>         >      llvm/test/Analysis/ConstantFolding/gep-alias.ll
>         > llvm/test/Analysis/ConstantFolding/gep-constanfolding-error.ll
>         > llvm/test/Analysis/ConstantFolding/gep-zeroinit-vector.ll
>         >      llvm/test/Analysis/ConstantFolding/gep.ll
>         >      llvm/test/Analysis/ConstantFolding/math-1.ll
>         >      llvm/test/Analysis/ConstantFolding/math-2.ll
>         >      llvm/test/Analysis/ConstantFolding/min-max.ll
>         >      llvm/test/Analysis/ConstantFolding/rint.ll
>         >      llvm/test/Analysis/ConstantFolding/round.ll
>         > llvm/test/Analysis/ConstantFolding/saturating-add-sub.ll
>         > llvm/test/Analysis/ConstantFolding/smul-fix-sat.ll
>         >      llvm/test/Analysis/ConstantFolding/smul-fix.ll
>         >      llvm/test/Analysis/ConstantFolding/timeout.ll
>         >      llvm/test/Analysis/ConstantFolding/trunc.ll
>         >      llvm/test/Analysis/ConstantFolding/vecreduce.ll
>         > llvm/test/Analysis/ConstantFolding/vector-undef-elts.ll
>         > llvm/test/Analysis/ConstantFolding/vectorgep-crash.ll
>         > llvm/test/Analysis/ConstantFolding/vscale-getelementptr.ll
>         > llvm/test/Analysis/ConstantFolding/vscale-shufflevector.ll
>         >      llvm/test/Analysis/ConstantFolding/vscale.ll
>         >      llvm/test/Other/2002-03-11-ConstPropCrash.ll
>         >
>         llvm/test/Transforms/ConstProp/2002-05-03-DivideByZeroException.ll
>         > llvm/test/Transforms/ConstProp/2002-05-03-NotOperator.ll
>         > llvm/test/Transforms/ConstProp/2002-09-03-SetCC-Bools.ll
>         > llvm/test/Transforms/ConstProp/2003-05-12-DivideError.ll
>         > llvm/test/Transforms/ConstProp/2005-01-28-SetCCGEP.ll
>         > llvm/test/Transforms/ConstProp/2006-11-30-vector-cast.ll
>         > llvm/test/Transforms/ConstProp/2006-12-01-TruncBoolBug.ll
>         > llvm/test/Transforms/ConstProp/2006-12-01-bool-casts.ll
>         > llvm/test/Transforms/ConstProp/2007-02-05-BitCast.ll
>         > llvm/test/Transforms/ConstProp/2007-02-23-sdiv.ll
>         > llvm/test/Transforms/ConstProp/2008-07-07-VectorCompare.ll
>         > llvm/test/Transforms/ConstProp/2009-06-20-constexpr-zero-lhs.ll
>         > llvm/test/Transforms/ConstProp/2009-09-01-GEP-Crash.ll
>         >      llvm/test/Transforms/ConstProp/InsertElement.ll
>         >      llvm/test/Transforms/ConstProp/avx512.ll
>         >      llvm/test/Transforms/ConstProp/basictest.ll
>         >      llvm/test/Transforms/ConstProp/bitcast.ll
>         >      llvm/test/Transforms/ConstProp/bswap.ll
>         > llvm/test/Transforms/ConstProp/calls-math-finite.ll
>         >      llvm/test/Transforms/ConstProp/calls.ll
>         >      llvm/test/Transforms/ConstProp/cast.ll
>         >      llvm/test/Transforms/ConstProp/constant-expr.ll
>         > llvm/test/Transforms/ConstProp/convert-from-fp16.ll
>         >      llvm/test/Transforms/ConstProp/div-zero.ll
>         >      llvm/test/Transforms/ConstProp/extractvalue.ll
>         > llvm/test/Transforms/ConstProp/float-to-ptr-cast.ll
>         >      llvm/test/Transforms/ConstProp/fma.ll
>         >      llvm/test/Transforms/ConstProp/insertvalue.ll
>         >      llvm/test/Transforms/ConstProp/loads.ll
>         >      llvm/test/Transforms/ConstProp/logicaltest.ll
>         >      llvm/test/Transforms/ConstProp/overflow-ops.ll
>         >      llvm/test/Transforms/ConstProp/phi.ll
>         >      llvm/test/Transforms/ConstProp/remtest.ll
>         >      llvm/test/Transforms/ConstProp/shift.ll
>         >      llvm/test/Transforms/ConstProp/sse.ll
>         >      llvm/test/Transforms/ConstProp/trunc_vec.ll
>         >
>         >
>         >
>         ################################################################################
>         > diff  --git a/llvm/bindings/go/llvm/executionengine_test.go
>         b/llvm/bindings/go/llvm/executionengine_test.go
>         > index 4462f8fb2046..2369826db914 100644
>         > --- a/llvm/bindings/go/llvm/executionengine_test.go
>         > +++ b/llvm/bindings/go/llvm/executionengine_test.go
>         > @@ -80,7 +80,6 @@ func TestFactorial(t *testing.T) {
>         >       pass := NewPassManager()
>         >       defer pass.Dispose()
>         >
>         > -     pass.AddConstantPropagationPass()
>         >       pass.AddInstructionCombiningPass()
>         >       pass.AddPromoteMemoryToRegisterPass()
>         >       pass.AddGVNPass()
>         >
>         > diff  --git a/llvm/bindings/go/llvm/transforms_scalar.go
>         b/llvm/bindings/go/llvm/transforms_scalar.go
>         > index 36fc13e00696..d1b54bd2a191 100644
>         > --- a/llvm/bindings/go/llvm/transforms_scalar.go
>         > +++ b/llvm/bindings/go/llvm/transforms_scalar.go
>         > @@ -40,6 +40,5 @@ func (pm PassManager)
>         AddScalarReplAggregatesPassWithThreshold(threshold int) {
>         >   }
>         >   func (pm PassManager) AddSimplifyLibCallsPass()    {
>         C.LLVMAddSimplifyLibCallsPass(pm.C) }
>         >   func (pm PassManager) AddTailCallEliminationPass()   {
>         C.LLVMAddTailCallEliminationPass(pm.C) }
>         > -func (pm PassManager) AddConstantPropagationPass()   {
>         C.LLVMAddConstantPropagationPass(pm.C) }
>         >   func (pm PassManager) AddDemoteMemoryToRegisterPass() {
>         C.LLVMAddDemoteMemoryToRegisterPass(pm.C) }
>         >   func (pm PassManager) AddVerifierPass()    {
>         C.LLVMAddVerifierPass(pm.C) }
>         >
>         > diff  --git
>         a/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.mli
>         b/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.mli
>         > index 117218f06608..bd57ba1136bb 100644
>         > ---
>         a/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.mli
>         > +++
>         b/llvm/bindings/ocaml/transforms/scalar_opts/llvm_scalar_opts.mli
>         > @@ -161,11 +161,6 @@ external add_tail_call_elimination
>         >     : [< Llvm.PassManager.any ] Llvm.PassManager.t -> unit
>         >     = "llvm_add_tail_call_elimination"
>         >
>         > -(** See the [llvm::createConstantPropagationPass] function. *)
>         > -external add_constant_propagation
>         > -  : [< Llvm.PassManager.any ] Llvm.PassManager.t -> unit
>         > -  = "llvm_add_constant_propagation"
>         > -
>         >   (** See the [llvm::createDemoteMemoryToRegisterPass]
>         function. *)
>         >   external add_memory_to_register_demotion
>         >     : [< Llvm.PassManager.any ] Llvm.PassManager.t -> unit
>         >
>         > diff  --git
>         a/llvm/bindings/ocaml/transforms/scalar_opts/scalar_opts_ocaml.c
>         b/llvm/bindings/ocaml/transforms/scalar_opts/scalar_opts_ocaml.c
>         > index 8d10989bd667..1e794c9241d6 100644
>         > ---
>         a/llvm/bindings/ocaml/transforms/scalar_opts/scalar_opts_ocaml.c
>         > +++
>         b/llvm/bindings/ocaml/transforms/scalar_opts/scalar_opts_ocaml.c
>         > @@ -200,12 +200,6 @@ CAMLprim value
>         llvm_add_tail_call_elimination(LLVMPassManagerRef PM) {
>         >     return Val_unit;
>         >   }
>         >
>         > -/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
>         > -CAMLprim value
>         llvm_add_constant_propagation(LLVMPassManagerRef PM) {
>         > -  LLVMAddConstantPropagationPass(PM);
>         > -  return Val_unit;
>         > -}
>         > -
>         >   /* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
>         >   CAMLprim value
>         llvm_add_demote_memory_to_register(LLVMPassManagerRef PM) {
>         >     LLVMAddDemoteMemoryToRegisterPass(PM);
>         >
>         > diff  --git a/llvm/docs/CommandLine.rst
>         b/llvm/docs/CommandLine.rst
>         > index 431ebc0e67e6..c67e73373ebd 100644
>         > --- a/llvm/docs/CommandLine.rst
>         > +++ b/llvm/docs/CommandLine.rst
>         > @@ -475,7 +475,7 @@ Parsing a list of options
>         >   Now that we have the standard run-of-the-mill argument
>         types out of the way,
>         >   lets get a little wild and crazy.  Lets say that we want
>         our optimizer to accept
>         >   a **list** of optimizations to perform, allowing
>         duplicates.  For example, we
>         > -might want to run: "``compiler -dce -constprop -inline -dce
>         -strip``".  In this
>         > +might want to run: "``compiler -dce -instsimplify -inline
>         -dce -strip``".  In this
>         >   case, the order of the arguments and the number of
>         appearances is very
>         >   important.  This is what the "``cl::list``" template is
>         for.  First, start by
>         >   defining an enum of the optimizations that you would like
>         to perform:
>         > @@ -484,7 +484,7 @@ defining an enum of the optimizations
>         that you would like to perform:
>         >
>         >     enum Opts {
>         >       // 'inline' is a C++ keyword, so name it 'inlining'
>         > -    dce, constprop, inlining, strip
>         > +    dce, instsimplify, inlining, strip
>         >     };
>         >
>         >   Then define your "``cl::list``" variable:
>         > @@ -494,7 +494,7 @@ Then define your "``cl::list``" variable:
>         >     cl::list<Opts> OptimizationList(cl::desc("Available
>         Optimizations:"),
>         >       cl::values(
>         >         clEnumVal(dce               , "Dead Code Elimination"),
>         > -      clEnumVal(constprop         , "Constant Propagation"),
>         > +      clEnumVal(instsimplify      , "Instruction
>         Simplification"),
>         >        clEnumValN(inlining, "inline", "Procedure Integration"),
>         >         clEnumVal(strip             , "Strip Symbols")));
>         >
>         > @@ -553,16 +553,16 @@ Reworking the above list example, we
>         could replace `cl::list`_ with `cl::bits`_:
>         >     cl::bits<Opts> OptimizationBits(cl::desc("Available
>         Optimizations:"),
>         >       cl::values(
>         >         clEnumVal(dce               , "Dead Code Elimination"),
>         > -      clEnumVal(constprop         , "Constant Propagation"),
>         > +      clEnumVal(instsimplify      , "Instruction
>         Simplification"),
>         >        clEnumValN(inlining, "inline", "Procedure Integration"),
>         >         clEnumVal(strip             , "Strip Symbols")));
>         >
>         > -To test to see if ``constprop`` was specified, we can use
>         the ``cl:bits::isSet``
>         > +To test to see if ``instsimplify`` was specified, we can
>         use the ``cl:bits::isSet``
>         >   function:
>         >
>         >   .. code-block:: c++
>         >
>         > -  if (OptimizationBits.isSet(constprop)) {
>         > +  if (OptimizationBits.isSet(instsimplify)) {
>         >       ...
>         >     }
>         >
>         >
>         > diff  --git a/llvm/docs/Passes.rst b/llvm/docs/Passes.rst
>         > index 2ff28eb09e54..202e3ab223d6 100644
>         > --- a/llvm/docs/Passes.rst
>         > +++ b/llvm/docs/Passes.rst
>         > @@ -460,27 +460,6 @@ shared.  This is useful because some
>         passes (i.e., TraceValues) insert a lot of
>         >   string constants into the program, regardless of whether
>         or not an existing
>         >   string is available.
>         >
>         > -``-constprop``: Simple constant propagation
>         > --------------------------------------------
>         > -
>         > -This pass implements constant propagation and merging.  It
>         looks for
>         > -instructions involving only constant operands and replaces
>         them with a constant
>         > -value instead of an instruction.  For example:
>         > -
>         > -.. code-block:: llvm
>         > -
>         > -  add i32 1, 2
>         > -
>         > -becomes
>         > -
>         > -.. code-block:: llvm
>         > -
>         > -  i32 3
>         > -
>         > -NOTE: this pass has a habit of making definitions be dead. 
>         It is a good idea
>         > -to run a :ref:`Dead Instruction Elimination <passes-die>`
>         pass sometime after
>         > -running this pass.
>         > -
>         >   .. _passes-dce:
>         >
>         >   ``-dce``: Dead Code Elimination
>         >
>         > diff  --git a/llvm/include/llvm-c/Transforms/Scalar.h
>         b/llvm/include/llvm-c/Transforms/Scalar.h
>         > index 93d79a205195..8b0a4d2642a9 100644
>         > --- a/llvm/include/llvm-c/Transforms/Scalar.h
>         > +++ b/llvm/include/llvm-c/Transforms/Scalar.h
>         > @@ -125,9 +125,6 @@ void
>         LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM);
>         >   /** See llvm::createTailCallEliminationPass function. */
>         >   void LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM);
>         >
>         > -/** See llvm::createConstantPropagationPass function. */
>         > -void LLVMAddConstantPropagationPass(LLVMPassManagerRef PM);
>         > -
>         >   /** See llvm::demotePromoteMemoryToRegisterPass function. */
>         >   void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM);
>         >
>         >
>         > diff  --git a/llvm/include/llvm/InitializePasses.h
>         b/llvm/include/llvm/InitializePasses.h
>         > index ec97b7f276bf..f1b4d2f71bde 100644
>         > --- a/llvm/include/llvm/InitializePasses.h
>         > +++ b/llvm/include/llvm/InitializePasses.h
>         > @@ -113,7 +113,6 @@ void
>         initializeCalledValuePropagationLegacyPassPass(PassRegistry &);
>         >   void initializeCodeGenPreparePass(PassRegistry&);
>         >   void initializeConstantHoistingLegacyPassPass(PassRegistry&);
>         >   void initializeConstantMergeLegacyPassPass(PassRegistry&);
>         > -void initializeConstantPropagationPass(PassRegistry&);
>         >   void
>         initializeControlHeightReductionLegacyPassPass(PassRegistry&);
>         >   void initializeCorrelatedValuePropagationPass(PassRegistry&);
>         >   void initializeCostModelAnalysisPass(PassRegistry&);
>         >
>         > diff  --git a/llvm/include/llvm/LinkAllPasses.h
>         b/llvm/include/llvm/LinkAllPasses.h
>         > index 9d7ac2b3f3b9..dfd0e9c8da70 100644
>         > --- a/llvm/include/llvm/LinkAllPasses.h
>         > +++ b/llvm/include/llvm/LinkAllPasses.h
>         > @@ -89,7 +89,6 @@ namespace {
>         >         (void) llvm::createLibCallsShrinkWrapPass();
>         >         (void) llvm::createCalledValuePropagationPass();
>         >         (void) llvm::createConstantMergePass();
>         > -      (void) llvm::createConstantPropagationPass();
>         >         (void) llvm::createControlHeightReductionLegacyPass();
>         >         (void) llvm::createCostModelAnalysisPass();
>         >         (void) llvm::createDeadArgEliminationPass();
>         >
>         > diff  --git a/llvm/include/llvm/Transforms/Scalar.h
>         b/llvm/include/llvm/Transforms/Scalar.h
>         > index 8dd59e018061..242ffa0ede09 100644
>         > --- a/llvm/include/llvm/Transforms/Scalar.h
>         > +++ b/llvm/include/llvm/Transforms/Scalar.h
>         > @@ -24,12 +24,6 @@ class FunctionPass;
>         >   class ModulePass;
>         >   class Pass;
>         >
>         >
>         -//===----------------------------------------------------------------------===//
>         > -//
>         > -// ConstantPropagation - A worklist driven constant
>         propagation pass
>         > -//
>         > -FunctionPass *createConstantPropagationPass();
>         > -
>         >
>          //===----------------------------------------------------------------------===//
>         >   //
>         >   // AlignmentFromAssumptions - Use assume intrinsics to set
>         load/store
>         >
>         > diff  --git a/llvm/lib/Transforms/Scalar/CMakeLists.txt
>         b/llvm/lib/Transforms/Scalar/CMakeLists.txt
>         > index 9d9712bb0da3..89173414c16b 100644
>         > --- a/llvm/lib/Transforms/Scalar/CMakeLists.txt
>         > +++ b/llvm/lib/Transforms/Scalar/CMakeLists.txt
>         > @@ -4,7 +4,6 @@ add_llvm_component_library(LLVMScalarOpts
>         >     BDCE.cpp
>         >     CallSiteSplitting.cpp
>         >     ConstantHoisting.cpp
>         > -  ConstantProp.cpp
>         >     CorrelatedValuePropagation.cpp
>         >     DCE.cpp
>         >     DeadStoreElimination.cpp
>         >
>         > diff  --git a/llvm/lib/Transforms/Scalar/ConstantProp.cpp
>         b/llvm/lib/Transforms/Scalar/ConstantProp.cpp
>         > deleted file mode 100644
>         > index 73bf1d521b1d..000000000000
>         > --- a/llvm/lib/Transforms/Scalar/ConstantProp.cpp
>         > +++ /dev/null
>         > @@ -1,121 +0,0 @@
>         > -//===- ConstantProp.cpp - Code to perform Simple Constant
>         Propagation -----===//
>         > -//
>         > -// Part of the LLVM Project, under the Apache License v2.0
>         with LLVM Exceptions.
>         > -// See https://llvm.org/LICENSE.txt for license information.
>         > -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
>         > -//
>         >
>         -//===----------------------------------------------------------------------===//
>         > -//
>         > -// This file implements constant propagation and merging:
>         > -//
>         > -// Specifically, this:
>         > -//   * Converts instructions like "add int 1, 2" into 3
>         > -//
>         > -// Notice that:
>         > -//   * This pass has a habit of making definitions be
>         dead.  It is a good idea
>         > -//     to run a DIE pass sometime after running this pass.
>         > -//
>         >
>         -//===----------------------------------------------------------------------===//
>         > -
>         > -#include "llvm/ADT/SmallPtrSet.h"
>         > -#include "llvm/ADT/SmallVector.h"
>         > -#include "llvm/ADT/Statistic.h"
>         > -#include "llvm/Analysis/ConstantFolding.h"
>         > -#include "llvm/Analysis/TargetLibraryInfo.h"
>         > -#include "llvm/IR/Constant.h"
>         > -#include "llvm/IR/InstIterator.h"
>         > -#include "llvm/IR/Instruction.h"
>         > -#include "llvm/InitializePasses.h"
>         > -#include "llvm/Pass.h"
>         > -#include "llvm/Support/DebugCounter.h"
>         > -#include "llvm/Transforms/Scalar.h"
>         > -#include "llvm/Transforms/Utils/Local.h"
>         > -using namespace llvm;
>         > -
>         > -#define DEBUG_TYPE "constprop"
>         > -
>         > -STATISTIC(NumInstKilled, "Number of instructions killed");
>         > -DEBUG_COUNTER(CPCounter, "constprop-transform",
>         > -              "Controls which instructions are killed");
>         > -
>         > -namespace {
>         > -  struct ConstantPropagation : public FunctionPass {
>         > -    static char ID; // Pass identification, replacement for
>         typeid
>         > -    ConstantPropagation() : FunctionPass(ID) {
>         > -
>         initializeConstantPropagationPass(*PassRegistry::getPassRegistry());
>         > -    }
>         > -
>         > -    bool runOnFunction(Function &F) override;
>         > -
>         > -    void getAnalysisUsage(AnalysisUsage &AU) const override {
>         > -      AU.setPreservesCFG();
>         > - AU.addRequired<TargetLibraryInfoWrapperPass>();
>         > -    }
>         > -  };
>         > -}
>         > -
>         > -char ConstantPropagation::ID = 0;
>         > -INITIALIZE_PASS_BEGIN(ConstantPropagation, "constprop",
>         > -                "Simple constant propagation", false, false)
>         > -INITIALIZE_PASS_DEPENDENCY(TargetLibraryInfoWrapperPass)
>         > -INITIALIZE_PASS_END(ConstantPropagation, "constprop",
>         > -                "Simple constant propagation", false, false)
>         > -
>         > -FunctionPass *llvm::createConstantPropagationPass() {
>         > -  return new ConstantPropagation();
>         > -}
>         > -
>         > -bool ConstantPropagation::runOnFunction(Function &F) {
>         > -  if (skipFunction(F))
>         > -    return false;
>         > -
>         > -  // Initialize the worklist to all of the instructions
>         ready to process...
>         > -  SmallPtrSet<Instruction *, 16> WorkList;
>         > -  // The SmallVector of WorkList ensures that we do
>         iteration at stable order.
>         > -  // We use two containers rather than one SetVector, since
>         remove is
>         > -  // linear-time, and we don't care enough to remove from Vec.
>         > -  SmallVector<Instruction *, 16> WorkListVec;
>         > -  for (Instruction &I : instructions(&F)) {
>         > -    WorkList.insert(&I);
>         > -    WorkListVec.push_back(&I);
>         > -  }
>         > -
>         > -  bool Changed = false;
>         > -  const DataLayout &DL = F.getParent()->getDataLayout();
>         > -  TargetLibraryInfo *TLI =
>         > - &getAnalysis<TargetLibraryInfoWrapperPass>().getTLI(F);
>         > -
>         > -  while (!WorkList.empty()) {
>         > -    SmallVector<Instruction*, 16> NewWorkListVec;
>         > -    for (auto *I : WorkListVec) {
>         > -      WorkList.erase(I); // Remove element from the worklist...
>         > -
>         > -      if (!I->use_empty()) // Don't muck with dead
>         instructions...
>         > -        if (Constant *C = ConstantFoldInstruction(I, DL,
>         TLI)) {
>         > -          if (!DebugCounter::shouldExecute(CPCounter))
>         > -            continue;
>         > -
>         > -          // Add all of the users of this instruction to
>         the worklist, they might
>         > -          // be constant propagatable now...
>         > -          for (User *U : I->users()) {
>         > -            // If user not in the set, then add it to the
>         vector.
>         > -            if (WorkList.insert(cast<Instruction>(U)).second)
>         > - NewWorkListVec.push_back(cast<Instruction>(U));
>         > -          }
>         > -
>         > -          // Replace all of the uses of a variable with
>         uses of the constant.
>         > -          I->replaceAllUsesWith(C);
>         > -
>         > -          if (isInstructionTriviallyDead(I, TLI)) {
>         > -            I->eraseFromParent();
>         > -            ++NumInstKilled;
>         > -          }
>         > -
>         > -          // We made a change to the function...
>         > -          Changed = true;
>         > -        }
>         > -    }
>         > -    WorkListVec = std::move(NewWorkListVec);
>         > -  }
>         > -  return Changed;
>         > -}
>         >
>         > diff  --git a/llvm/lib/Transforms/Scalar/Scalar.cpp
>         b/llvm/lib/Transforms/Scalar/Scalar.cpp
>         > index 8bc35d5228df..55b9dd7482cc 100644
>         > --- a/llvm/lib/Transforms/Scalar/Scalar.cpp
>         > +++ b/llvm/lib/Transforms/Scalar/Scalar.cpp
>         > @@ -38,7 +38,6 @@ void
>         llvm::initializeScalarOpts(PassRegistry &Registry) {
>         >     initializeAlignmentFromAssumptionsPass(Registry);
>         >  initializeCallSiteSplittingLegacyPassPass(Registry);
>         >  initializeConstantHoistingLegacyPassPass(Registry);
>         > -  initializeConstantPropagationPass(Registry);
>         >  initializeCorrelatedValuePropagationPass(Registry);
>         >     initializeDCELegacyPassPass(Registry);
>         >     initializeDeadInstEliminationPass(Registry);
>         > @@ -248,10 +247,6 @@ void
>         LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM) {
>         >  unwrap(PM)->add(createTailCallEliminationPass());
>         >   }
>         >
>         > -void LLVMAddConstantPropagationPass(LLVMPassManagerRef PM) {
>         > - unwrap(PM)->add(createConstantPropagationPass());
>         > -}
>         > -
>         >   void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef
>         PM) {
>         >  unwrap(PM)->add(createDemoteRegisterToMemoryPass());
>         >   }
>         >
>         > diff  --git
>         a/llvm/test/Assembler/2002-04-07-HexFloatConstants.ll
>         b/llvm/test/Assembler/2002-04-07-HexFloatConstants.ll
>         > index 90ee85a2a302..6bd583eb1a60 100644
>         > --- a/llvm/test/Assembler/2002-04-07-HexFloatConstants.ll
>         > +++ b/llvm/test/Assembler/2002-04-07-HexFloatConstants.ll
>         > @@ -5,8 +5,8 @@
>         >   ; of the bug that was causing the Olden Health benchmark
>         to output incorrect
>         >   ; results!
>         >   ;
>         > -; RUN: opt -constprop -S > %t.1 < %s
>         > -; RUN: llvm-as < %s | llvm-dis | llvm-as | opt -constprop | \
>         > +; RUN: opt -instsimplify -S > %t.1 < %s
>         > +; RUN: llvm-as < %s | llvm-dis | llvm-as | opt
>         -instsimplify | \
>         >   ; RUN: llvm-dis > %t.2
>         >   ; RUN:
>         > diff  %t.1 %t.2
>         >   ; RUN: verify-uselistorder %s
>         >
>         > diff  --git a/llvm/test/Bitcode/extractelement.ll
>         b/llvm/test/Bitcode/extractelement.ll
>         > index 90a883d6f02d..10858a6dd30a 100644
>         > --- a/llvm/test/Bitcode/extractelement.ll
>         > +++ b/llvm/test/Bitcode/extractelement.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop | llvm-dis -disable-output
>         > +; RUN: opt < %s -instsimplify | llvm-dis -disable-output
>         >   ; RUN: verify-uselistorder < %s
>         >   ; PR3465
>         >
>         >
>         > diff  --git a/llvm/test/Other/2002-03-11-ConstPropCrash.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2002-03-11-ConstPropCrash.ll
>         > similarity index 96%
>         > rename from llvm/test/Other/2002-03-11-ConstPropCrash.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2002-03-11-ConstPropCrash.ll
>         > index a6d4f5b3dbcc..fd74fff636ae 100644
>         > --- a/llvm/test/Other/2002-03-11-ConstPropCrash.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2002-03-11-ConstPropCrash.ll
>         > @@ -5,7 +5,7 @@
>         >   ;
>         >   ; Fixed by adding new arguments to ConstantFoldTerminator
>         >   ;
>         > -; RUN: opt < %s -constprop
>         > +; RUN: opt < %s -instsimplify
>         >
>         >   define void @build_tree(i32 %ml) {
>         >   ; <label>:0
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2002-05-03-DivideByZeroException.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2002-05-03-DivideByZeroException.ll
>         > similarity index 90%
>         > rename from
>         llvm/test/Transforms/ConstProp/2002-05-03-DivideByZeroException.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2002-05-03-DivideByZeroException.ll
>         > index 15a621189382..00fb09cf16af 100644
>         > ---
>         a/llvm/test/Transforms/ConstProp/2002-05-03-DivideByZeroException.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2002-05-03-DivideByZeroException.ll
>         > @@ -1,6 +1,6 @@
>         >   ; Make sure that the constant propogator doesn't divide by
>         zero!
>         >   ;
>         > -; RUN: opt < %s -constprop
>         > +; RUN: opt < %s -instsimplify
>         >   ;
>         >
>         >   define i32 @test() {
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2002-05-03-NotOperator.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2002-05-03-NotOperator.ll
>         > similarity index 92%
>         > rename from
>         llvm/test/Transforms/ConstProp/2002-05-03-NotOperator.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2002-05-03-NotOperator.ll
>         > index ca1d6180c758..aa0bdc9fd41e 100644
>         > --- a/llvm/test/Transforms/ConstProp/2002-05-03-NotOperator.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2002-05-03-NotOperator.ll
>         > @@ -4,7 +4,7 @@
>         >
>         >   ; Fix #2: The unary not instruction now no longer exists.
>         Change to xor.
>         >
>         > -; RUN: opt < %s -constprop -S | \
>         > +; RUN: opt < %s -instsimplify -S | \
>         >   ; RUN:   not grep "i32 0"
>         >
>         >   define i32 @test1() {
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2002-09-03-SetCC-Bools.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2002-09-03-SetCC-Bools.ll
>         > similarity index 94%
>         > rename from
>         llvm/test/Transforms/ConstProp/2002-09-03-SetCC-Bools.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2002-09-03-SetCC-Bools.ll
>         > index dd24d965620c..65ea22583c04 100644
>         > --- a/llvm/test/Transforms/ConstProp/2002-09-03-SetCC-Bools.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2002-09-03-SetCC-Bools.ll
>         > @@ -1,6 +1,6 @@
>         >   ; SetCC on boolean values was not implemented!
>         >
>         > -; RUN: opt < %s -constprop -die -S | \
>         > +; RUN: opt < %s -instsimplify -die -S | \
>         >   ; RUN:   not grep set
>         >
>         >   define i1 @test1() {
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2003-05-12-DivideError.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2003-05-12-DivideError.ll
>         > similarity index 90%
>         > rename from
>         llvm/test/Transforms/ConstProp/2003-05-12-DivideError.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2003-05-12-DivideError.ll
>         > index 2708dce9852d..52bb044f45e8 100644
>         > --- a/llvm/test/Transforms/ConstProp/2003-05-12-DivideError.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2003-05-12-DivideError.ll
>         > @@ -1,6 +1,6 @@
>         >   ; Make sure that the constant propagator doesn't cause a
>         sigfpe
>         >   ;
>         > -; RUN: opt < %s -constprop
>         > +; RUN: opt < %s -instsimplify
>         >   ;
>         >
>         >   define i32 @test() {
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2005-01-28-SetCCGEP.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2005-01-28-SetCCGEP.ll
>         > similarity index 89%
>         > rename from
>         llvm/test/Transforms/ConstProp/2005-01-28-SetCCGEP.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2005-01-28-SetCCGEP.ll
>         > index af7e8be4fcd8..0518a91f0c66 100644
>         > --- a/llvm/test/Transforms/ConstProp/2005-01-28-SetCCGEP.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2005-01-28-SetCCGEP.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -S | \
>         > +; RUN: opt < %s -instsimplify -S | \
>         >   ; RUN:    not grep "ret i1 false"
>         >
>         >   @b = external global [2 x {  }]         ; <[2 x {  }]*>
>         [#uses=2]
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2006-11-30-vector-cast.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2006-11-30-vector-cast.ll
>         > similarity index 77%
>         > rename from
>         llvm/test/Transforms/ConstProp/2006-11-30-vector-cast.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2006-11-30-vector-cast.ll
>         > index 4a93144d2d51..bf5615414aa2 100644
>         > --- a/llvm/test/Transforms/ConstProp/2006-11-30-vector-cast.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2006-11-30-vector-cast.ll
>         > @@ -1,6 +1,6 @@
>         > -; RUN: opt < %s -constprop -S | \
>         > +; RUN: opt < %s -instsimplify -S | \
>         >   ; RUN:   grep "i32 -1"
>         > -; RUN: opt < %s -constprop -S | \
>         > +; RUN: opt < %s -instsimplify -S | \
>         >   ; RUN:   not grep zeroinitializer
>         >
>         >   define <4 x i32> @test() {
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2006-12-01-TruncBoolBug.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2006-12-01-TruncBoolBug.ll
>         > similarity index 100%
>         > rename from
>         llvm/test/Transforms/ConstProp/2006-12-01-TruncBoolBug.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2006-12-01-TruncBoolBug.ll
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2006-12-01-bool-casts.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2006-12-01-bool-casts.ll
>         > similarity index 78%
>         > rename from
>         llvm/test/Transforms/ConstProp/2006-12-01-bool-casts.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2006-12-01-bool-casts.ll
>         > index 71db4211c5d2..6d323435c425 100644
>         > --- a/llvm/test/Transforms/ConstProp/2006-12-01-bool-casts.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2006-12-01-bool-casts.ll
>         > @@ -1,6 +1,6 @@
>         > -; RUN: opt < %s -constprop -S | \
>         > +; RUN: opt < %s -instsimplify -S | \
>         >   ; RUN:    grep "ret i32 -1"
>         > -; RUN: opt < %s -constprop -S | \
>         > +; RUN: opt < %s -instsimplify -S | \
>         >   ; RUN:    grep "ret i32 1"
>         >
>         >   define i32 @test1() {
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2007-02-05-BitCast.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2007-02-05-BitCast.ll
>         > similarity index 69%
>         > rename from llvm/test/Transforms/ConstProp/2007-02-05-BitCast.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2007-02-05-BitCast.ll
>         > index ebe3d21806b7..8df5c405dd9e 100644
>         > --- a/llvm/test/Transforms/ConstProp/2007-02-05-BitCast.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2007-02-05-BitCast.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -S | grep 1065353216
>         > +; RUN: opt < %s -instsimplify -S | grep 1065353216
>         >
>         >   define i32 @test() {
>         >           %A = bitcast float 1.000000e+00 to i32     ; <i32>
>         [#uses=1]
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2007-02-23-sdiv.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2007-02-23-sdiv.ll
>         > similarity index 100%
>         > rename from llvm/test/Transforms/ConstProp/2007-02-23-sdiv.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2007-02-23-sdiv.ll
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2008-07-07-VectorCompare.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2008-07-07-VectorCompare.ll
>         > similarity index 94%
>         > rename from
>         llvm/test/Transforms/ConstProp/2008-07-07-VectorCompare.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2008-07-07-VectorCompare.ll
>         > index fd5495445b79..bc8eed58970a 100644
>         > --- a/llvm/test/Transforms/ConstProp/2008-07-07-VectorCompare.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2008-07-07-VectorCompare.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -disable-output
>         > +; RUN: opt < %s -instsimplify -disable-output
>         >   ; PR2529
>         >   define <4 x i1> @test1(i32 %argc, i8** %argv) {
>         >   entry:
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2009-06-20-constexpr-zero-lhs.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2009-06-20-constexpr-zero-lhs.ll
>         > similarity index 100%
>         > rename from
>         llvm/test/Transforms/ConstProp/2009-06-20-constexpr-zero-lhs.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2009-06-20-constexpr-zero-lhs.ll
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/2009-09-01-GEP-Crash.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2009-09-01-GEP-Crash.ll
>         > similarity index 96%
>         > rename from
>         llvm/test/Transforms/ConstProp/2009-09-01-GEP-Crash.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/2009-09-01-GEP-Crash.ll
>         > index e93a2c066bd2..25cd3bb59fc8 100644
>         > --- a/llvm/test/Transforms/ConstProp/2009-09-01-GEP-Crash.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/2009-09-01-GEP-Crash.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop | llvm-dis
>         > +; RUN: opt < %s -instsimplify | llvm-dis
>         >   ; PR4848
>         >   target datalayout =
>         "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
>         >   target triple = "x86_64-unknown-linux-gnu"
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/AMDGPU/cos.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cos.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/AMDGPU/cos.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cos.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/AMDGPU/cubeid.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubeid.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/AMDGPU/cubeid.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubeid.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/AMDGPU/cubema.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubema.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/AMDGPU/cubema.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubema.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/AMDGPU/cubesc.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubesc.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/AMDGPU/cubesc.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubesc.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/AMDGPU/cubetc.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubetc.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/AMDGPU/cubetc.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/cubetc.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/AMDGPU/fmul_legacy.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/fmul_legacy.ll
>         > similarity index 100%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/AMDGPU/fmul_legacy.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/fmul_legacy.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/AMDGPU/fract.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/fract.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/AMDGPU/fract.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/fract.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/AMDGPU/lit.local.cfg
>         b/llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/lit.local.cfg
>         > similarity index 100%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/AMDGPU/lit.local.cfg
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/lit.local.cfg
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/AMDGPU/sin.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/sin.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/AMDGPU/sin.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/AMDGPU/sin.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/ARM/lit.local.cfg
>         b/llvm/test/Transforms/InstSimplify/ConstProp/ARM/lit.local.cfg
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/ARM/lit.local.cfg
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/ARM/lit.local.cfg
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/ARM/mve-vctp.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/ARM/mve-vctp.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/ARM/mve-vctp.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/ARM/mve-vctp.ll
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/InsertElement.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/InsertElement.ll
>         > similarity index 91%
>         > rename from llvm/test/Transforms/ConstProp/InsertElement.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/InsertElement.ll
>         > index 1048b5752e8b..98ba4c6f0036 100644
>         > --- a/llvm/test/Transforms/ConstProp/InsertElement.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/InsertElement.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   define i32 @test1() {
>         >   ; CHECK-LABEL: @test1(
>         > @@ -25,7 +25,6 @@ define <4 x i64> @insertelement() {
>         >
>         >   define <4 x i64> @insertelement_undef() {
>         >   ; CHECK-LABEL: @insertelement_undef(
>         > -; CHECK-NEXT:    [[VEC4:%.*]] = insertelement <4 x i64>
>         <i64 -1, i64 -2, i64 -3, i64 undef>, i64 -4, i32 3
>         >   ; CHECK-NEXT:    ret <4 x i64> undef
>         >   ;
>         >     %vec1 = insertelement <4 x i64> undef, i64 -1, i32 0
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/WebAssembly/trunc.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/WebAssembly/trunc.ll
>         > similarity index 100%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/WebAssembly/trunc.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/WebAssembly/trunc.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/WebAssembly/trunc_saturate.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/WebAssembly/trunc_saturate.ll
>         > similarity index 100%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/WebAssembly/trunc_saturate.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/WebAssembly/trunc_saturate.ll
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/abs.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/abs.ll
>         > similarity index 95%
>         > rename from llvm/test/Analysis/ConstantFolding/abs.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/abs.ll
>         > index 7b3a146e8614..73e12f956382 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/abs.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/abs.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   declare i8 @llvm.abs.i8(i8, i1)
>         >   declare <8 x i8> @llvm.abs.v8i8(<8 x i8>, i1)
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/allones.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/allones.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/allones.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/allones.ll
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/avx512.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/avx512.ll
>         > similarity index 99%
>         > rename from llvm/test/Transforms/ConstProp/avx512.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/avx512.ll
>         > index 7043c23315cd..9649611fd8fe 100644
>         > --- a/llvm/test/Transforms/ConstProp/avx512.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/avx512.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >   ; REQUIRES: x86-registered-target
>         >
>         >   define i1 @test_avx512_cvts_exact() nounwind readnone {
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/basictest.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/basictest.ll
>         > similarity index 96%
>         > rename from llvm/test/Transforms/ConstProp/basictest.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/basictest.ll
>         > index afe6ef91240d..3c1e97f3c9b5 100644
>         > --- a/llvm/test/Transforms/ConstProp/basictest.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/basictest.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -die -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -die -S | FileCheck %s
>         >
>         >   target datalayout =
>         "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
>         >   target triple = "x86_64-apple-macosx10.7.2"
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/binop-identity-undef.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/binop-identity-undef.ll
>         > similarity index 94%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/binop-identity-undef.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/binop-identity-undef.ll
>         > index 68307892187c..7b36b5555ae7 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/binop-identity-undef.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/binop-identity-undef.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt -constprop -S %s | FileCheck %s
>         > +; RUN: opt -instsimplify -S %s | FileCheck %s
>         >
>         >   define i32 @and1() {
>         >   ; CHECK-LABEL: @and1(
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/bitcast.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/bitcast.ll
>         > similarity index 98%
>         > rename from llvm/test/Transforms/ConstProp/bitcast.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/bitcast.ll
>         > index 7b07391ee869..19165da28bba 100644
>         > --- a/llvm/test/Transforms/ConstProp/bitcast.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/bitcast.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >   ; PR2165
>         >
>         >   define <1 x i64> @test1() {
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/bitcount.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/bitcount.ll
>         > similarity index 98%
>         > rename from llvm/test/Analysis/ConstantFolding/bitcount.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/bitcount.ll
>         > index 6333c4d24d09..f737653a6f3b 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/bitcount.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/bitcount.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   declare i31 @llvm.ctpop.i31(i31 %val)
>         >   declare i32 @llvm.cttz.i32(i32 %val, i1)
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/bswap.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/bswap.ll
>         > similarity index 95%
>         > rename from llvm/test/Transforms/ConstProp/bswap.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/bswap.ll
>         > index f601deb73db2..d06545dcde34 100644
>         > --- a/llvm/test/Transforms/ConstProp/bswap.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/bswap.ll
>         > @@ -1,6 +1,6 @@
>         >   ; bswap should be constant folded when it is passed a
>         constant argument
>         >
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   declare i16 @llvm.bswap.i16(i16)
>         >
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/calls-math-finite.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/calls-math-finite.ll
>         > similarity index 97%
>         > rename from llvm/test/Transforms/ConstProp/calls-math-finite.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/calls-math-finite.ll
>         > index d13b798bde21..307324640000 100644
>         > --- a/llvm/test/Transforms/ConstProp/calls-math-finite.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/calls-math-finite.ll
>         > @@ -1,6 +1,6 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > -; RUN: opt < %s -constprop -S
>         -mtriple=unknown-unknown-linux-musl | FileCheck
>         -check-prefix=MUSL %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S
>         -mtriple=unknown-unknown-linux-musl | FileCheck
>         -check-prefix=MUSL %s
>         >
>         >   ; Test to verify constant folding can occur when math
>         routines are mapped
>         >   ; to the __<func>_finite versions of functions due to
>         __FINITE_MATH_ONLY__
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/calls.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/calls.ll
>         > similarity index 97%
>         > rename from llvm/test/Transforms/ConstProp/calls.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/calls.ll
>         > index 12ee1cb11393..84aa7c2913a2 100644
>         > --- a/llvm/test/Transforms/ConstProp/calls.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/calls.ll
>         > @@ -1,5 +1,5 @@
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > -; RUN: opt < %s -constprop -disable-simplify-libcalls -S |
>         FileCheck %s --check-prefix=FNOBUILTIN
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -disable-simplify-libcalls -S
>         | FileCheck %s --check-prefix=FNOBUILTIN
>         >
>         >   declare double @acos(double) readnone nounwind
>         >   declare double @asin(double) readnone nounwind
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/cast-vector.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/cast-vector.ll
>         > similarity index 97%
>         > rename from llvm/test/Analysis/ConstantFolding/cast-vector.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/cast-vector.ll
>         > index 1aaf55a23b50..f73058741e54 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/cast-vector.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/cast-vector.ll
>         > @@ -1,32 +1,32 @@
>         > -; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -instsimplify -S | FileCheck %s
>         > -
>         > -; Test constant fold of constant expression GEP used by
>         ptrtoint (the
>         > -; "offsetof-like expression" case).
>         > -; This used to hit an assert due to not supporting vectors in
>         > -; llvm::ConstantFoldCastInstruction when handling ptrtoint.
>         > -define <2 x i16> @test1() {
>         > -; CHECK-LABEL: @test1(
>         > -; CHECK-NEXT:  entry:
>         > -; CHECK-NEXT:    ret <2 x i16> ptrtoint (<2 x i32*>
>         getelementptr ([10 x i32], [10 x i32]* null, <2 x i64>
>         zeroinitializer, <2 x i64> <i64 5, i64 7>) to <2 x i16>)
>         > -;
>         > -entry:
>         > -  %gep = getelementptr inbounds [10 x i32], [10 x i32]*
>         null, i16 0, <2 x i16> <i16 5, i16 7>
>         > -  %vec = ptrtoint <2 x i32*> %gep to <2 x i16>
>         > -  ret <2 x i16> %vec
>         > -}
>         > -
>         > -; Test constant fold of constant expression GEP used by
>         ptrtoint (the
>         > -; "sizeof-like expression" case).
>         > -; This used to hit an assert due to not supporting vectors in
>         > -; llvm::ConstantFoldCastInstruction when handling ptrtoint.
>         > -define <2 x i16> @test2() {
>         > -; CHECK-LABEL: @test2(
>         > -; CHECK-NEXT:  entry:
>         > -; CHECK-NEXT:    ret <2 x i16> ptrtoint (<2 x i32*>
>         getelementptr (i32, i32* null, <2 x i64> <i64 5, i64 7>) to <2
>         x i16>)
>         > -;
>         > -entry:
>         > -  %gep = getelementptr i32, i32* null, <2 x i16> <i16 5, i16 7>
>         > -  %vec = ptrtoint <2 x i32*> %gep to <2 x i16>
>         > -  ret <2 x i16> %vec
>         > -}
>         > +; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         > +
>         > +; Test constant fold of constant expression GEP used by
>         ptrtoint (the
>         > +; "offsetof-like expression" case).
>         > +; This used to hit an assert due to not supporting vectors in
>         > +; llvm::ConstantFoldCastInstruction when handling ptrtoint.
>         > +define <2 x i16> @test1() {
>         > +; CHECK-LABEL: @test1(
>         > +; CHECK-NEXT:  entry:
>         > +; CHECK-NEXT:    ret <2 x i16> ptrtoint (<2 x i32*>
>         getelementptr ([10 x i32], [10 x i32]* null, <2 x i64>
>         zeroinitializer, <2 x i64> <i64 5, i64 7>) to <2 x i16>)
>         > +;
>         > +entry:
>         > +  %gep = getelementptr inbounds [10 x i32], [10 x i32]*
>         null, i16 0, <2 x i16> <i16 5, i16 7>
>         > +  %vec = ptrtoint <2 x i32*> %gep to <2 x i16>
>         > +  ret <2 x i16> %vec
>         > +}
>         > +
>         > +; Test constant fold of constant expression GEP used by
>         ptrtoint (the
>         > +; "sizeof-like expression" case).
>         > +; This used to hit an assert due to not supporting vectors in
>         > +; llvm::ConstantFoldCastInstruction when handling ptrtoint.
>         > +define <2 x i16> @test2() {
>         > +; CHECK-LABEL: @test2(
>         > +; CHECK-NEXT:  entry:
>         > +; CHECK-NEXT:    ret <2 x i16> ptrtoint (<2 x i32*>
>         getelementptr (i32, i32* null, <2 x i64> <i64 5, i64 7>) to <2
>         x i16>)
>         > +;
>         > +entry:
>         > +  %gep = getelementptr i32, i32* null, <2 x i16> <i16 5, i16 7>
>         > +  %vec = ptrtoint <2 x i32*> %gep to <2 x i16>
>         > +  ret <2 x i16> %vec
>         > +}
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/cast.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/cast.ll
>         > similarity index 95%
>         > rename from llvm/test/Transforms/ConstProp/cast.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/cast.ll
>         > index 8377df17b3a8..170e2d55421c 100644
>         > --- a/llvm/test/Transforms/ConstProp/cast.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/cast.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   ; Overflow on a float to int or int to float conversion is
>         undefined (PR21130).
>         >
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/constant-expr.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/constant-expr.ll
>         > similarity index 100%
>         > rename from llvm/test/Transforms/ConstProp/constant-expr.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/constant-expr.ll
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/convert-from-fp16.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/convert-from-fp16.ll
>         > similarity index 98%
>         > rename from llvm/test/Transforms/ConstProp/convert-from-fp16.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/convert-from-fp16.ll
>         > index bb9032313179..f5b6705fe78c 100644
>         > --- a/llvm/test/Transforms/ConstProp/convert-from-fp16.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/convert-from-fp16.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt -constprop -S < %s | FileCheck %s
>         > +; RUN: opt -instsimplify -S < %s | FileCheck %s
>         >
>         >   ; Verify that we don't crash with an assertion failure
>         when constant folding
>         >   ; a call to intrinsic 'convert.from.fp16' if the return
>         type is not 'float'.
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/copysign.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/copysign.ll
>         > similarity index 96%
>         > rename from llvm/test/Analysis/ConstantFolding/copysign.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/copysign.ll
>         > index 228ffcb47053..52eb743d827b 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/copysign.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/copysign.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt -S -constprop < %s | FileCheck %s
>         > +; RUN: opt -S -instsimplify < %s | FileCheck %s
>         >
>         >   declare float @llvm.copysign.f32(float, float)
>         >   declare double @llvm.copysign.f64(double, double)
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/div-zero.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/div-zero.ll
>         > similarity index 100%
>         > rename from llvm/test/Transforms/ConstProp/div-zero.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/div-zero.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/extractelement-vscale.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/extractelement-vscale.ll
>         > similarity index 100%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/extractelement-vscale.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/extractelement-vscale.ll
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/extractvalue.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/extractvalue.ll
>         > similarity index 96%
>         > rename from llvm/test/Transforms/ConstProp/extractvalue.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/extractvalue.ll
>         > index 72d6cb714a54..2c29cf0a61a3 100644
>         > --- a/llvm/test/Transforms/ConstProp/extractvalue.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/extractvalue.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   %struct = type { i32, [4 x i8] }
>         >
>         >
>         > diff  --git
>         a/llvm/test/Transforms/ConstProp/float-to-ptr-cast.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/float-to-ptr-cast.ll
>         > similarity index 81%
>         > rename from llvm/test/Transforms/ConstProp/float-to-ptr-cast.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/float-to-ptr-cast.ll
>         > index 937f606bf136..56b1704db0d2 100644
>         > --- a/llvm/test/Transforms/ConstProp/float-to-ptr-cast.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/float-to-ptr-cast.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   define i32* @test1() {
>         >           %X = inttoptr i64 0 to i32*             ; <i32*>
>         [#uses=1]
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/fma.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/fma.ll
>         > similarity index 99%
>         > rename from llvm/test/Transforms/ConstProp/fma.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/fma.ll
>         > index e1c46978f9a7..90a6142b956b 100644
>         > --- a/llvm/test/Transforms/ConstProp/fma.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/fma.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt -constprop -S < %s | FileCheck %s
>         > +; RUN: opt -instsimplify -S < %s | FileCheck %s
>         >
>         >   ; Fixes PR20832
>         >   ; Make sure that we correctly fold a fused multiply-add
>         where operands
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/fneg.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/fneg.ll
>         > similarity index 96%
>         > rename from llvm/test/Analysis/ConstantFolding/fneg.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/fneg.ll
>         > index 70a2fe2a4bdd..752dfa929eec 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/fneg.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/fneg.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   define float @fneg_constant() {
>         >   ; CHECK-LABEL: @fneg_constant(
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/fp-undef.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/fp-undef.ll
>         > similarity index 99%
>         > rename from llvm/test/Analysis/ConstantFolding/fp-undef.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/fp-undef.ll
>         > index ad9cca7cff91..9d904595f2ca 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/fp-undef.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/fp-undef.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   ; Constant folding - undef undef.
>         >
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/freeze.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/freeze.ll
>         > similarity index 93%
>         > rename from llvm/test/Analysis/ConstantFolding/freeze.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/freeze.ll
>         > index 4908f71b924e..ef032a6b1624 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/freeze.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/freeze.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   @g = external global i16, align 1
>         >   @g2 = external global i16, align 1
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/funnel-shift.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/funnel-shift.ll
>         > similarity index 99%
>         > rename from llvm/test/Analysis/ConstantFolding/funnel-shift.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/funnel-shift.ll
>         > index fae29c939216..8533224b8e93 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/funnel-shift.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/funnel-shift.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S -o - | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S -o - | FileCheck %s
>         >
>         >   declare i32 @llvm.fshl.i32(i32, i32, i32)
>         >   declare i32 @llvm.fshr.i32(i32, i32, i32)
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/gep-alias.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/gep-alias.ll
>         > similarity index 97%
>         > rename from llvm/test/Analysis/ConstantFolding/gep-alias.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/gep-alias.ll
>         > index 0fcc778a4f25..4b3fcf667979 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/gep-alias.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/gep-alias.ll
>         > @@ -1,17 +1,17 @@
>         > -; RUN: opt -instcombine -S -o - %s | FileCheck %s
>         > -; Test that we don't replace an alias with its aliasee when
>         simplifying GEPs.
>         > -; In this test case the transformation is invalid because
>         it replaces the
>         > -; reference to the symbol "b" (which refers to whichever
>         instance of "b"
>         > -; was chosen by the linker) with a reference to "a" (which
>         refers to the
>         > -; specific instance of "b" in this module).
>         > -
>         > -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
>         > -target triple = "x86_64-unknown-linux-gnu"
>         > -
>         > - at a = internal global [3 x i8*] zeroinitializer
>         > - at b = linkonce_odr alias [3 x i8*], [3 x i8*]* @a
>         > -
>         > -define i8** @f() {
>         > -  ; CHECK: ret i8** getelementptr ([3 x i8*], [3 x i8*]*
>         @b, i64 0, i64 1)
>         > -  ret i8** getelementptr ([3 x i8*], [3 x i8*]* @b, i64 0,
>         i64 1)
>         > -}
>         > +; RUN: opt -instcombine -S -o - %s | FileCheck %s
>         > +; Test that we don't replace an alias with its aliasee when
>         simplifying GEPs.
>         > +; In this test case the transformation is invalid because
>         it replaces the
>         > +; reference to the symbol "b" (which refers to whichever
>         instance of "b"
>         > +; was chosen by the linker) with a reference to "a" (which
>         refers to the
>         > +; specific instance of "b" in this module).
>         > +
>         > +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
>         > +target triple = "x86_64-unknown-linux-gnu"
>         > +
>         > + at a = internal global [3 x i8*] zeroinitializer
>         > + at b = linkonce_odr alias [3 x i8*], [3 x i8*]* @a
>         > +
>         > +define i8** @f() {
>         > +  ; CHECK: ret i8** getelementptr ([3 x i8*], [3 x i8*]*
>         @b, i64 0, i64 1)
>         > +  ret i8** getelementptr ([3 x i8*], [3 x i8*]* @b, i64 0,
>         i64 1)
>         > +}
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/gep-constanfolding-error.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/gep-constanfolding-error.ll
>         > similarity index 98%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/gep-constanfolding-error.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/gep-constanfolding-error.ll
>         > index a09fd550715d..ee7112b55268 100644
>         > ---
>         a/llvm/test/Analysis/ConstantFolding/gep-constanfolding-error.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/gep-constanfolding-error.ll
>         > @@ -1,52 +1,52 @@
>         > -; RUN: opt -gvn -S -o - %s | FileCheck %s
>         > -; RUN: opt -newgvn -S -o - %s | FileCheck %s
>         > -; Test that the constantfolding getelementptr computation
>         results in
>         > -; j[5][4][1] (j+239)
>         > -; and not [1][4][4][1] (#449) which is an incorrect
>         out-of-range error
>         > -target datalayout =
>         "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
>         > -target triple = "armv7-none-eabi"
>         > -
>         > - at f = local_unnamed_addr global i32 2, align 4
>         > - at t6 = local_unnamed_addr global i32 1, align 4
>         > - at j = local_unnamed_addr global [6 x [6 x [7 x i8]]] [[6 x
>         [7 x i8]] [[7 x i8] c"\06\00\00\00\00\00\00", [7 x i8]
>         zeroinitializer, [7 x i8] zeroinitializer, [7 x i8]
>         zeroinitializer, [7 x i8] zeroinitializer, [7 x i8]
>         zeroinitializer], [6 x [7 x i8]] zeroinitializer, [6 x [7 x
>         i8]] zeroinitializer, [6 x [7 x i8]] zeroinitializer, [6 x [7
>         x i8]] zeroinitializer, [6 x [7 x i8]] zeroinitializer], align 1
>         > - at p = internal global i64 0, align 8
>         > - at y = local_unnamed_addr global i64* @p, align 4
>         > - at b = internal unnamed_addr global i32 0, align 4
>         > - at h = common local_unnamed_addr global i16 0, align 2
>         > - at a = common local_unnamed_addr global i32 0, align 4
>         > - at k = common local_unnamed_addr global i32 0, align 4
>         > - at t11 = common local_unnamed_addr global i32 0, align 4
>         > -
>         > -; Function Attrs: nounwind
>         > -define i32 @main() local_unnamed_addr {
>         > -entry:
>         > -  %0 = load i32, i32* @t6, align 4
>         > -  %inc = add nsw i32 %0, 1
>         > -  store i32 %inc, i32* @t6, align 4
>         > -  store i16 4, i16* @h, align 2
>         > -  %1 = load i32, i32* @a, align 4
>         > -  %conv = trunc i32 %1 to i8
>         > -  store i32 1, i32* @f, align 4
>         > -  %2 = load i64, i64* @p, align 8
>         > -  %cmp4 = icmp slt i64 %2, 2
>         > -  %conv6 = zext i1 %cmp4 to i8
>         > -  %3 = load i16, i16* @h, align 2
>         > -  %conv7 = sext i16 %3 to i32
>         > -  %add = add nsw i32 %conv7, 1
>         > -  %f.promoted = load i32, i32* @f, align 4
>         > -  %4 = mul i32 %conv7, 7
>         > -  %5 = add i32 %4, 5
>         > -  %6 = sub i32 -1, %f.promoted
>         > -  %7 = icmp sgt i32 %6, -2
>         > -  %smax = select i1 %7, i32 %6, i32 -2
>         > -  %8 = sub i32 6, %smax
>         > -  %scevgep = getelementptr [6 x [6 x [7 x i8]]], [6 x [6 x
>         [7 x i8]]]* @j, i32 0, i32 0, i32 %5, i32 %8
>         > -  %9 = add i32 %f.promoted, %smax
>         > -  %10 = add i32 %9, 2
>         > -  call void @llvm.memset.p0i8.i32(i8* %scevgep, i8 %conv6,
>         i32 %10, i1 false)
>         > -; CHECK:  call void @llvm.memset.p0i8.i32(i8* getelementptr
>         inbounds ([6 x [6 x [7 x i8]]], [6 x [6 x [7 x i8]]]* @j, i32
>         0, i{{32|64}} 5, i{{32|64}} 4, i32 1), i8 %conv6, i32 1, i1 false)
>         > -; CHECK-NOT: call void @llvm.memset.p0i8.i32(i8*
>         getelementptr ([6 x [6 x [7 x i8]]], [6 x [6 x [7 x i8]]]* @j,
>         i64 1, i64 4, i64 4, i32 1)
>         > -  ret i32 0
>         > -}
>         > -; Function Attrs: argmemonly nounwind
>         > -declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly,
>         i8, i32, i1)
>         > +; RUN: opt -gvn -S -o - %s | FileCheck %s
>         > +; RUN: opt -newgvn -S -o - %s | FileCheck %s
>         > +; Test that the constantfolding getelementptr computation
>         results in
>         > +; j[5][4][1] (j+239)
>         > +; and not [1][4][4][1] (#449) which is an incorrect
>         out-of-range error
>         > +target datalayout =
>         "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
>         > +target triple = "armv7-none-eabi"
>         > +
>         > + at f = local_unnamed_addr global i32 2, align 4
>         > + at t6 = local_unnamed_addr global i32 1, align 4
>         > + at j = local_unnamed_addr global [6 x [6 x [7 x i8]]] [[6 x
>         [7 x i8]] [[7 x i8] c"\06\00\00\00\00\00\00", [7 x i8]
>         zeroinitializer, [7 x i8] zeroinitializer, [7 x i8]
>         zeroinitializer, [7 x i8] zeroinitializer, [7 x i8]
>         zeroinitializer], [6 x [7 x i8]] zeroinitializer, [6 x [7 x
>         i8]] zeroinitializer, [6 x [7 x i8]] zeroinitializer, [6 x [7
>         x i8]] zeroinitializer, [6 x [7 x i8]] zeroinitializer], align 1
>         > + at p = internal global i64 0, align 8
>         > + at y = local_unnamed_addr global i64* @p, align 4
>         > + at b = internal unnamed_addr global i32 0, align 4
>         > + at h = common local_unnamed_addr global i16 0, align 2
>         > + at a = common local_unnamed_addr global i32 0, align 4
>         > + at k = common local_unnamed_addr global i32 0, align 4
>         > + at t11 = common local_unnamed_addr global i32 0, align 4
>         > +
>         > +; Function Attrs: nounwind
>         > +define i32 @main() local_unnamed_addr {
>         > +entry:
>         > +  %0 = load i32, i32* @t6, align 4
>         > +  %inc = add nsw i32 %0, 1
>         > +  store i32 %inc, i32* @t6, align 4
>         > +  store i16 4, i16* @h, align 2
>         > +  %1 = load i32, i32* @a, align 4
>         > +  %conv = trunc i32 %1 to i8
>         > +  store i32 1, i32* @f, align 4
>         > +  %2 = load i64, i64* @p, align 8
>         > +  %cmp4 = icmp slt i64 %2, 2
>         > +  %conv6 = zext i1 %cmp4 to i8
>         > +  %3 = load i16, i16* @h, align 2
>         > +  %conv7 = sext i16 %3 to i32
>         > +  %add = add nsw i32 %conv7, 1
>         > +  %f.promoted = load i32, i32* @f, align 4
>         > +  %4 = mul i32 %conv7, 7
>         > +  %5 = add i32 %4, 5
>         > +  %6 = sub i32 -1, %f.promoted
>         > +  %7 = icmp sgt i32 %6, -2
>         > +  %smax = select i1 %7, i32 %6, i32 -2
>         > +  %8 = sub i32 6, %smax
>         > +  %scevgep = getelementptr [6 x [6 x [7 x i8]]], [6 x [6 x
>         [7 x i8]]]* @j, i32 0, i32 0, i32 %5, i32 %8
>         > +  %9 = add i32 %f.promoted, %smax
>         > +  %10 = add i32 %9, 2
>         > +  call void @llvm.memset.p0i8.i32(i8* %scevgep, i8 %conv6,
>         i32 %10, i1 false)
>         > +; CHECK:  call void @llvm.memset.p0i8.i32(i8* getelementptr
>         inbounds ([6 x [6 x [7 x i8]]], [6 x [6 x [7 x i8]]]* @j, i32
>         0, i{{32|64}} 5, i{{32|64}} 4, i32 1), i8 %conv6, i32 1, i1 false)
>         > +; CHECK-NOT: call void @llvm.memset.p0i8.i32(i8*
>         getelementptr ([6 x [6 x [7 x i8]]], [6 x [6 x [7 x i8]]]* @j,
>         i64 1, i64 4, i64 4, i32 1)
>         > +  ret i32 0
>         > +}
>         > +; Function Attrs: argmemonly nounwind
>         > +declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly,
>         i8, i32, i1)
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/gep-zeroinit-vector.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/gep-zeroinit-vector.ll
>         > similarity index 94%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/gep-zeroinit-vector.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/gep-zeroinit-vector.ll
>         > index 03d27e9fb6c5..7ec1aa833fc4 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/gep-zeroinit-vector.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/gep-zeroinit-vector.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S -o - | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S -o - | FileCheck %s
>         >
>         >   ; Testcase that verify that we don't get a faulty bitcast
>         that cast between
>         >   ;
>         > diff erent sizes.
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/gep.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/gep.ll
>         > similarity index 98%
>         > rename from llvm/test/Analysis/ConstantFolding/gep.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/gep.ll
>         > index 259618652ea9..103226045037 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/gep.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/gep.ll
>         > @@ -1,27 +1,27 @@
>         > -; RUN: opt -instcombine -S -o - %s | FileCheck %s
>         > -; Tests that we preserve the inrange attribute on indices
>         where possible.
>         > -
>         > -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
>         > -target triple = "x86_64-unknown-linux-gnu"
>         > -
>         > -%struct.A = type { i32 (...)** }
>         > -
>         > - at vt = external global [3 x i8*]
>         > -
>         > -; CHECK: define i32 (...)** @f0()
>         > -define i32 (...)** @f0() {
>         > -  ; CHECK-NEXT: ret i32 (...)** bitcast (i8** getelementptr
>         inbounds ([3 x i8*], [3 x i8*]* @vt, inrange i64 0, i64 2) to
>         i32 (...)**
>         > -  ret i32 (...)** getelementptr (i32 (...)*, i32 (...)**
>         bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]*
>         @vt, inrange i64 0, i64 1) to i32 (...)**), i64 1)
>         > -}
>         > -
>         > -; CHECK: define i32 (...)** @f1()
>         > -define i32 (...)** @f1() {
>         > -  ; CHECK-NEXT: ret i32 (...)** getelementptr (i32 (...)*,
>         i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*],
>         [3 x i8*]* @vt, i64 0, inrange i64 1) to i32 (...)**), i64 1)
>         > -  ret i32 (...)** getelementptr (i32 (...)*, i32 (...)**
>         bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]*
>         @vt, i64 0, inrange i64 1) to i32 (...)**), i64 1)
>         > -}
>         > -
>         > -; CHECK: define i32 (...)** @f2()
>         > -define i32 (...)** @f2() {
>         > -  ; CHECK-NEXT: ret i32 (...)** getelementptr (i32 (...)*,
>         i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*],
>         [3 x i8*]* @vt, i64 0, inrange i64 1) to i32 (...)**), i64 3)
>         > -  ret i32 (...)** getelementptr (i32 (...)*, i32 (...)**
>         bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]*
>         @vt, i64 0, inrange i64 1) to i32 (...)**), i64 3)
>         > -}
>         > +; RUN: opt -instcombine -S -o - %s | FileCheck %s
>         > +; Tests that we preserve the inrange attribute on indices
>         where possible.
>         > +
>         > +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
>         > +target triple = "x86_64-unknown-linux-gnu"
>         > +
>         > +%struct.A = type { i32 (...)** }
>         > +
>         > + at vt = external global [3 x i8*]
>         > +
>         > +; CHECK: define i32 (...)** @f0()
>         > +define i32 (...)** @f0() {
>         > +  ; CHECK-NEXT: ret i32 (...)** bitcast (i8** getelementptr
>         inbounds ([3 x i8*], [3 x i8*]* @vt, inrange i64 0, i64 2) to
>         i32 (...)**
>         > +  ret i32 (...)** getelementptr (i32 (...)*, i32 (...)**
>         bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]*
>         @vt, inrange i64 0, i64 1) to i32 (...)**), i64 1)
>         > +}
>         > +
>         > +; CHECK: define i32 (...)** @f1()
>         > +define i32 (...)** @f1() {
>         > +  ; CHECK-NEXT: ret i32 (...)** getelementptr (i32 (...)*,
>         i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*],
>         [3 x i8*]* @vt, i64 0, inrange i64 1) to i32 (...)**), i64 1)
>         > +  ret i32 (...)** getelementptr (i32 (...)*, i32 (...)**
>         bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]*
>         @vt, i64 0, inrange i64 1) to i32 (...)**), i64 1)
>         > +}
>         > +
>         > +; CHECK: define i32 (...)** @f2()
>         > +define i32 (...)** @f2() {
>         > +  ; CHECK-NEXT: ret i32 (...)** getelementptr (i32 (...)*,
>         i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*],
>         [3 x i8*]* @vt, i64 0, inrange i64 1) to i32 (...)**), i64 3)
>         > +  ret i32 (...)** getelementptr (i32 (...)*, i32 (...)**
>         bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]*
>         @vt, i64 0, inrange i64 1) to i32 (...)**), i64 3)
>         > +}
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/insertvalue.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/insertvalue.ll
>         > similarity index 98%
>         > rename from llvm/test/Transforms/ConstProp/insertvalue.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/insertvalue.ll
>         > index 606f7ddc679c..778a9734d19e 100644
>         > --- a/llvm/test/Transforms/ConstProp/insertvalue.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/insertvalue.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   %struct = type { i32, [4 x i8] }
>         >
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/loads.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/loads.ll
>         > similarity index 100%
>         > rename from llvm/test/Transforms/ConstProp/loads.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/loads.ll
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/logicaltest.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/logicaltest.ll
>         > similarity index 93%
>         > rename from llvm/test/Transforms/ConstProp/logicaltest.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/logicaltest.ll
>         > index abd3275a4f74..e097d40c54e4 100644
>         > --- a/llvm/test/Transforms/ConstProp/logicaltest.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/logicaltest.ll
>         > @@ -1,6 +1,6 @@
>         >   ; Ensure constant propagation of logical instructions is
>         working correctly.
>         >
>         > -; RUN: opt < %s -constprop -die -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -die -S | FileCheck %s
>         >   ; CHECK-NOT:     {{and|or|xor}}
>         >
>         >   define i32 @test1() {
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/math-1.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/math-1.ll
>         > similarity index 95%
>         > rename from llvm/test/Analysis/ConstantFolding/math-1.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/math-1.ll
>         > index 595095017102..b57397381b64 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/math-1.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/math-1.ll
>         > @@ -1,195 +1,195 @@
>         > -; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt -early-cse -S -o - %s | FileCheck %s
>         > -
>         > -declare double @acos(double)
>         > -define double @f_acos() {
>         > -; CHECK-LABEL: @f_acos(
>         > -; CHECK-NEXT:    ret double 0.000000e+00
>         > -;
>         > -  %res = tail call fast double @acos(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -declare float @asinf(float)
>         > -define float @f_asinf() {
>         > -; CHECK-LABEL: @f_asinf(
>         > -; CHECK-NEXT:    ret float 0x3FF921FB{{.+}}
>         > -;
>         > -  %res = tail call fast float @asinf(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare double @atan(double)
>         > -define double @f_atan() {
>         > -; CHECK-LABEL: @f_atan(
>         > -; CHECK-NEXT:    [[RES:%.*]] = tail call fast double
>         @atan(double 1.000000e+00)
>         > -; CHECK-NEXT:    ret double 0x3FE921FB
>         > -;
>         > -  %res = tail call fast double @atan(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -declare float @cosf(float)
>         > -define float @f_cosf() {
>         > -; CHECK-LABEL: @f_cosf(
>         > -; CHECK-NEXT:    ret float 0x3FE14A2{{.+}}
>         > -;
>         > -  %res = tail call fast float @cosf(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare float @llvm.cos.f32(float)
>         > -define float @i_cosf() {
>         > -; CHECK-LABEL: @i_cosf(
>         > -; CHECK-NEXT:    ret float 0x3FE14A2
>         > -;
>         > -  %res = tail call fast float @llvm.cos.f32(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare double @cosh(double)
>         > -define double @f_cosh() {
>         > -; CHECK-LABEL: @f_cosh(
>         > -; CHECK-NEXT:    ret double 0x3FF8B075{{.+}}
>         > -;
>         > -  %res = tail call fast double @cosh(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -declare float @expf(float)
>         > -define float @f_expf() {
>         > -; CHECK-LABEL: @f_expf(
>         > -; CHECK-NEXT:    ret float 0x4005BF0A{{.+}}
>         > -;
>         > -  %res = tail call fast float @expf(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare float @llvm.exp.f32(float)
>         > -define float @i_expf() {
>         > -; CHECK-LABEL: @i_expf(
>         > -; CHECK-NEXT:    ret float 0x4005BF0A{{.+}}
>         > -;
>         > -  %res = tail call fast float @llvm.exp.f32(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare double @exp2(double)
>         > -define double @f_exp2() {
>         > -; CHECK-LABEL: @f_exp2(
>         > -; CHECK-NEXT:    ret double 2.000000e+00
>         > -;
>         > -  %res = tail call fast double @exp2(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -declare double @llvm.exp2.f64(double)
>         > -define double @i_exp2() {
>         > -; CHECK-LABEL: @i_exp2(
>         > -; CHECK-NEXT:    ret double 2.000000e+00
>         > -;
>         > -  %res = tail call fast double @llvm.exp2.f64(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -; FIXME: exp10() is not widely supported.
>         > -declare float @exp10f(float)
>         > -define float @f_exp10f() {
>         > -; CHECK-LABEL: @f_exp10f(
>         > -; CHECK-NEXT:    [[RES:%.*]] = tail call float
>         @exp10f(float 1.000000e+00)
>         > -; CHECK-NEXT:    ret float [[RES]]
>         > -;
>         > -  %res = tail call float @exp10f(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare double @log(double)
>         > -define double @f_log() {
>         > -; CHECK-LABEL: @f_log(
>         > -; CHECK-NEXT:    ret double 0.000000e+00
>         > -;
>         > -  %res = tail call fast double @log(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -declare double @llvm.log.f64(double)
>         > -define double @i_log() {
>         > -; CHECK-LABEL: @i_log(
>         > -; CHECK-NEXT:    ret double 0.000000e+00
>         > -;
>         > -  %res = tail call fast double @llvm.log.f64(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -declare float @log2f(float)
>         > -define float @f_log2f() {
>         > -; CHECK-LABEL: @f_log2f(
>         > -; CHECK-NEXT:    ret float 0.000000e+00
>         > -;
>         > -  %res = tail call fast float @log2f(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare float @llvm.log2.f32(float)
>         > -define float @i_log2f() {
>         > -; CHECK-LABEL: @i_log2f(
>         > -; CHECK-NEXT:    ret float 0.000000e+00
>         > -;
>         > -  %res = tail call fast float @llvm.log2.f32(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare double @log10(double)
>         > -define double @f_log10() {
>         > -; CHECK-LABEL: @f_log10(
>         > -; CHECK-NEXT:    ret double 0.000000e+00
>         > -;
>         > -  %res = tail call fast double @log10(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -declare float @sinf(float)
>         > -define float @f_sinf() {
>         > -; CHECK-LABEL: @f_sinf(
>         > -; CHECK-NEXT:    ret float 0x3FEAED54{{.+}}
>         > -;
>         > -  %res = tail call fast float @sinf(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare double @sinh(double)
>         > -define double @f_sinh() {
>         > -; CHECK-LABEL: @f_sinh(
>         > -; CHECK-NEXT:    ret double 0x3FF2CD9F{{.+}}
>         > -;
>         > -  %res = tail call fast double @sinh(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -declare float @sqrtf(float)
>         > -define float @f_sqrtf() {
>         > -; CHECK-LABEL: @f_sqrtf(
>         > -; CHECK-NEXT:    ret float 1.000000e+00
>         > -;
>         > -  %res = tail call fast float @sqrtf(float 1.0)
>         > -  ret float %res
>         > -}
>         > -
>         > -declare double @tan(double)
>         > -define double @f_tan() {
>         > -; CHECK-LABEL: @f_tan(
>         > -; CHECK-NEXT:    ret double 0x3FF8EB24{{.+}}
>         > -;
>         > -  %res = tail call fast double @tan(double 1.0)
>         > -  ret double %res
>         > -}
>         > -
>         > -declare float @tanhf(float)
>         > -define float @f_tanhf() {
>         > -; CHECK-LABEL: @f_tanhf(
>         > -; CHECK-NEXT:    [[RES:%.*]] = tail call fast float
>         @tanhf(float 1.000000e+00)
>         > -; CHECK-NEXT:    ret float 0x3FE85EFA{{.+}}
>         > -;
>         > -  %res = tail call fast float @tanhf(float 1.0)
>         > -  ret float %res
>         > -}
>         > +; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > +; RUN: opt -early-cse -S -o - %s | FileCheck %s
>         > +
>         > +declare double @acos(double)
>         > +define double @f_acos() {
>         > +; CHECK-LABEL: @f_acos(
>         > +; CHECK-NEXT:    ret double 0.000000e+00
>         > +;
>         > +  %res = tail call fast double @acos(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +declare float @asinf(float)
>         > +define float @f_asinf() {
>         > +; CHECK-LABEL: @f_asinf(
>         > +; CHECK-NEXT:    ret float 0x3FF921FB{{.+}}
>         > +;
>         > +  %res = tail call fast float @asinf(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare double @atan(double)
>         > +define double @f_atan() {
>         > +; CHECK-LABEL: @f_atan(
>         > +; CHECK-NEXT:    [[RES:%.*]] = tail call fast double
>         @atan(double 1.000000e+00)
>         > +; CHECK-NEXT:    ret double 0x3FE921FB
>         > +;
>         > +  %res = tail call fast double @atan(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +declare float @cosf(float)
>         > +define float @f_cosf() {
>         > +; CHECK-LABEL: @f_cosf(
>         > +; CHECK-NEXT:    ret float 0x3FE14A2{{.+}}
>         > +;
>         > +  %res = tail call fast float @cosf(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare float @llvm.cos.f32(float)
>         > +define float @i_cosf() {
>         > +; CHECK-LABEL: @i_cosf(
>         > +; CHECK-NEXT:    ret float 0x3FE14A2
>         > +;
>         > +  %res = tail call fast float @llvm.cos.f32(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare double @cosh(double)
>         > +define double @f_cosh() {
>         > +; CHECK-LABEL: @f_cosh(
>         > +; CHECK-NEXT:    ret double 0x3FF8B075{{.+}}
>         > +;
>         > +  %res = tail call fast double @cosh(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +declare float @expf(float)
>         > +define float @f_expf() {
>         > +; CHECK-LABEL: @f_expf(
>         > +; CHECK-NEXT:    ret float 0x4005BF0A{{.+}}
>         > +;
>         > +  %res = tail call fast float @expf(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare float @llvm.exp.f32(float)
>         > +define float @i_expf() {
>         > +; CHECK-LABEL: @i_expf(
>         > +; CHECK-NEXT:    ret float 0x4005BF0A{{.+}}
>         > +;
>         > +  %res = tail call fast float @llvm.exp.f32(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare double @exp2(double)
>         > +define double @f_exp2() {
>         > +; CHECK-LABEL: @f_exp2(
>         > +; CHECK-NEXT:    ret double 2.000000e+00
>         > +;
>         > +  %res = tail call fast double @exp2(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +declare double @llvm.exp2.f64(double)
>         > +define double @i_exp2() {
>         > +; CHECK-LABEL: @i_exp2(
>         > +; CHECK-NEXT:    ret double 2.000000e+00
>         > +;
>         > +  %res = tail call fast double @llvm.exp2.f64(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +; FIXME: exp10() is not widely supported.
>         > +declare float @exp10f(float)
>         > +define float @f_exp10f() {
>         > +; CHECK-LABEL: @f_exp10f(
>         > +; CHECK-NEXT:    [[RES:%.*]] = tail call float
>         @exp10f(float 1.000000e+00)
>         > +; CHECK-NEXT:    ret float [[RES]]
>         > +;
>         > +  %res = tail call float @exp10f(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare double @log(double)
>         > +define double @f_log() {
>         > +; CHECK-LABEL: @f_log(
>         > +; CHECK-NEXT:    ret double 0.000000e+00
>         > +;
>         > +  %res = tail call fast double @log(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +declare double @llvm.log.f64(double)
>         > +define double @i_log() {
>         > +; CHECK-LABEL: @i_log(
>         > +; CHECK-NEXT:    ret double 0.000000e+00
>         > +;
>         > +  %res = tail call fast double @llvm.log.f64(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +declare float @log2f(float)
>         > +define float @f_log2f() {
>         > +; CHECK-LABEL: @f_log2f(
>         > +; CHECK-NEXT:    ret float 0.000000e+00
>         > +;
>         > +  %res = tail call fast float @log2f(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare float @llvm.log2.f32(float)
>         > +define float @i_log2f() {
>         > +; CHECK-LABEL: @i_log2f(
>         > +; CHECK-NEXT:    ret float 0.000000e+00
>         > +;
>         > +  %res = tail call fast float @llvm.log2.f32(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare double @log10(double)
>         > +define double @f_log10() {
>         > +; CHECK-LABEL: @f_log10(
>         > +; CHECK-NEXT:    ret double 0.000000e+00
>         > +;
>         > +  %res = tail call fast double @log10(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +declare float @sinf(float)
>         > +define float @f_sinf() {
>         > +; CHECK-LABEL: @f_sinf(
>         > +; CHECK-NEXT:    ret float 0x3FEAED54{{.+}}
>         > +;
>         > +  %res = tail call fast float @sinf(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare double @sinh(double)
>         > +define double @f_sinh() {
>         > +; CHECK-LABEL: @f_sinh(
>         > +; CHECK-NEXT:    ret double 0x3FF2CD9F{{.+}}
>         > +;
>         > +  %res = tail call fast double @sinh(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +declare float @sqrtf(float)
>         > +define float @f_sqrtf() {
>         > +; CHECK-LABEL: @f_sqrtf(
>         > +; CHECK-NEXT:    ret float 1.000000e+00
>         > +;
>         > +  %res = tail call fast float @sqrtf(float 1.0)
>         > +  ret float %res
>         > +}
>         > +
>         > +declare double @tan(double)
>         > +define double @f_tan() {
>         > +; CHECK-LABEL: @f_tan(
>         > +; CHECK-NEXT:    ret double 0x3FF8EB24{{.+}}
>         > +;
>         > +  %res = tail call fast double @tan(double 1.0)
>         > +  ret double %res
>         > +}
>         > +
>         > +declare float @tanhf(float)
>         > +define float @f_tanhf() {
>         > +; CHECK-LABEL: @f_tanhf(
>         > +; CHECK-NEXT:    [[RES:%.*]] = tail call fast float
>         @tanhf(float 1.000000e+00)
>         > +; CHECK-NEXT:    ret float 0x3FE85EFA{{.+}}
>         > +;
>         > +  %res = tail call fast float @tanhf(float 1.0)
>         > +  ret float %res
>         > +}
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/math-2.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/math-2.ll
>         > similarity index 100%
>         > rename from llvm/test/Analysis/ConstantFolding/math-2.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/math-2.ll
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/min-max.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/min-max.ll
>         > similarity index 99%
>         > rename from llvm/test/Analysis/ConstantFolding/min-max.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/min-max.ll
>         > index c01fd23683d1..4ef2fbf13de7 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/min-max.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/min-max.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt -constprop -S < %s | FileCheck %s
>         > +; RUN: opt -instsimplify -S < %s | FileCheck %s
>         >
>         >   declare float @llvm.minnum.f32(float, float)
>         >   declare <4 x float> @llvm.minnum.v4f32(<4 x float>, <4 x
>         float>)
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/overflow-ops.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/overflow-ops.ll
>         > similarity index 98%
>         > rename from llvm/test/Transforms/ConstProp/overflow-ops.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/overflow-ops.ll
>         > index 1d090d5d0ea1..a8c10748e779 100644
>         > --- a/llvm/test/Transforms/ConstProp/overflow-ops.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/overflow-ops.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         --check-prefixes=CHECK,CONSTPROP
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         --check-prefixes=CHECK,CONSTPROP
>         >   ; RUN: opt < %s -instsimplify -S | FileCheck %s
>         --check-prefixes=CHECK,INSTSIMPLIFY
>         >   ; We must *NOT* have any check-lines with prefixes other
>         than CHECK here.
>         >   ; If we do, that means the rules are
>         > diff erent between the passes.
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/phi.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/phi.ll
>         > similarity index 87%
>         > rename from llvm/test/Transforms/ConstProp/phi.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/phi.ll
>         > index c65d34cc933a..74dc328b8a6a 100644
>         > --- a/llvm/test/Transforms/ConstProp/phi.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/phi.ll
>         > @@ -1,7 +1,7 @@
>         >   ; This is a basic sanity check for constant propagation. 
>         The add instruction
>         >   ; should be eliminated.
>         >
>         > -; RUN: opt < %s -constprop -die -S | not grep phi
>         > +; RUN: opt < %s -instsimplify -die -S | not grep phi
>         >
>         >   define i32 @test(i1 %B) {
>         >   BB0:
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/remtest.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/remtest.ll
>         > similarity index 91%
>         > rename from llvm/test/Transforms/ConstProp/remtest.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/remtest.ll
>         > index efd2d48332a2..3e6fc8dfcb13 100644
>         > --- a/llvm/test/Transforms/ConstProp/remtest.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/remtest.ll
>         > @@ -1,6 +1,6 @@
>         >   ; Ensure constant propagation of remainder instructions is
>         working correctly.
>         >
>         > -; RUN: opt < %s -constprop -die -S | not grep rem
>         > +; RUN: opt < %s -instsimplify -die -S | not grep rem
>         >
>         >   define i32 @test1() {
>         >           %R = srem i32 4, 3              ; <i32> [#uses=1]
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/rint.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/rint.ll
>         > similarity index 96%
>         > rename from llvm/test/Analysis/ConstantFolding/rint.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/rint.ll
>         > index 9ad794d6094b..1c88bab81a39 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/rint.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/rint.ll
>         > @@ -1,109 +1,109 @@
>         > -; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt -S -early-cse < %s | FileCheck %s
>         > -
>         > -declare float @nearbyintf(float) #0
>         > -declare float @llvm.nearbyint.f32(float) #0
>         > -declare double @nearbyint(double) #0
>         > -declare double @llvm.nearbyint.f64(double) #0
>         > -declare float @rintf(float) #0
>         > -declare float @llvm.rint.f32(float) #0
>         > -declare double @rint(double) #0
>         > -declare double @llvm.rint.f64(double) #0
>         > -
>         > -define float @constant_fold_rint_f32_01() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f32_01(
>         > -; CHECK-NEXT:    ret float 1.000000e+00
>         > -;
>         > -  %x = call float @nearbyintf(float 1.25) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_rint_f32_02() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f32_02(
>         > -; CHECK-NEXT:    ret float -1.000000e+00
>         > -;
>         > -  %x = call float @llvm.nearbyint.f32(float -1.25) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_rint_f32_03() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f32_03(
>         > -; CHECK-NEXT:    ret float 2.000000e+00
>         > -;
>         > -  %x = call float @rintf(float 1.5) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_rint_f32_04() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f32_04(
>         > -; CHECK-NEXT:    ret float -2.000000e+00
>         > -;
>         > -  %x = call float @llvm.rint.f32(float -1.5) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_rint_f32_05() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f32_05(
>         > -; CHECK-NEXT:    ret float 3.000000e+00
>         > -;
>         > -  %x = call float @nearbyintf(float 2.75) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_rint_f32_06() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f32_06(
>         > -; CHECK-NEXT:    ret float -3.000000e+00
>         > -;
>         > -  %x = call float @llvm.nearbyint.f32(float -2.75) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define double @constant_fold_rint_f64_01() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f64_01(
>         > -; CHECK-NEXT:    ret double 1.000000e+00
>         > -;
>         > -  %x = call double @rint(double 1.3) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_rint_f64_02() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f64_02(
>         > -; CHECK-NEXT:    ret double -1.000000e+00
>         > -;
>         > -  %x = call double @llvm.rint.f64(double -1.3) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_rint_f64_03() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f64_03(
>         > -; CHECK-NEXT:    ret double 2.000000e+00
>         > -;
>         > -  %x = call double @nearbyint(double 1.5) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_rint_f64_04() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f64_04(
>         > -; CHECK-NEXT:    ret double -2.000000e+00
>         > -;
>         > -  %x = call double @llvm.nearbyint.f64(double -1.5) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_rint_f64_05() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f64_05(
>         > -; CHECK-NEXT:    ret double 3.000000e+00
>         > -;
>         > -  %x = call double @rint(double 2.7) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_rint_f64_06() #0 {
>         > -; CHECK-LABEL: @constant_fold_rint_f64_06(
>         > -; CHECK-NEXT:    ret double -3.000000e+00
>         > -;
>         > -  %x = call double @llvm.rint.f64(double -2.7) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -attributes #0 = { nounwind readnone }
>         > +; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > +; RUN: opt -S -early-cse < %s | FileCheck %s
>         > +
>         > +declare float @nearbyintf(float) #0
>         > +declare float @llvm.nearbyint.f32(float) #0
>         > +declare double @nearbyint(double) #0
>         > +declare double @llvm.nearbyint.f64(double) #0
>         > +declare float @rintf(float) #0
>         > +declare float @llvm.rint.f32(float) #0
>         > +declare double @rint(double) #0
>         > +declare double @llvm.rint.f64(double) #0
>         > +
>         > +define float @constant_fold_rint_f32_01() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f32_01(
>         > +; CHECK-NEXT:    ret float 1.000000e+00
>         > +;
>         > +  %x = call float @nearbyintf(float 1.25) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_rint_f32_02() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f32_02(
>         > +; CHECK-NEXT:    ret float -1.000000e+00
>         > +;
>         > +  %x = call float @llvm.nearbyint.f32(float -1.25) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_rint_f32_03() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f32_03(
>         > +; CHECK-NEXT:    ret float 2.000000e+00
>         > +;
>         > +  %x = call float @rintf(float 1.5) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_rint_f32_04() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f32_04(
>         > +; CHECK-NEXT:    ret float -2.000000e+00
>         > +;
>         > +  %x = call float @llvm.rint.f32(float -1.5) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_rint_f32_05() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f32_05(
>         > +; CHECK-NEXT:    ret float 3.000000e+00
>         > +;
>         > +  %x = call float @nearbyintf(float 2.75) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_rint_f32_06() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f32_06(
>         > +; CHECK-NEXT:    ret float -3.000000e+00
>         > +;
>         > +  %x = call float @llvm.nearbyint.f32(float -2.75) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define double @constant_fold_rint_f64_01() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f64_01(
>         > +; CHECK-NEXT:    ret double 1.000000e+00
>         > +;
>         > +  %x = call double @rint(double 1.3) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_rint_f64_02() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f64_02(
>         > +; CHECK-NEXT:    ret double -1.000000e+00
>         > +;
>         > +  %x = call double @llvm.rint.f64(double -1.3) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_rint_f64_03() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f64_03(
>         > +; CHECK-NEXT:    ret double 2.000000e+00
>         > +;
>         > +  %x = call double @nearbyint(double 1.5) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_rint_f64_04() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f64_04(
>         > +; CHECK-NEXT:    ret double -2.000000e+00
>         > +;
>         > +  %x = call double @llvm.nearbyint.f64(double -1.5) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_rint_f64_05() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f64_05(
>         > +; CHECK-NEXT:    ret double 3.000000e+00
>         > +;
>         > +  %x = call double @rint(double 2.7) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_rint_f64_06() #0 {
>         > +; CHECK-LABEL: @constant_fold_rint_f64_06(
>         > +; CHECK-NEXT:    ret double -3.000000e+00
>         > +;
>         > +  %x = call double @llvm.rint.f64(double -2.7) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +attributes #0 = { nounwind readnone }
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/round.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/round.ll
>         > similarity index 96%
>         > rename from llvm/test/Analysis/ConstantFolding/round.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/round.ll
>         > index d5b847810d5e..a636160dd12a 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/round.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/round.ll
>         > @@ -1,92 +1,92 @@
>         > -; RUN: opt -S -early-cse < %s | FileCheck %s
>         > -
>         > -declare float @roundf(float) #0
>         > -declare float @llvm.round.f32(float) #0
>         > -declare double @round(double) #0
>         > -declare double @llvm.round.f64(double) #0
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f32_01
>         > -; CHECK-NEXT: ret float 1.000000e+00
>         > -define float @constant_fold_round_f32_01() #0 {
>         > -  %x = call float @roundf(float 1.25) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f32_02
>         > -; CHECK-NEXT: ret float -1.000000e+00
>         > -define float @constant_fold_round_f32_02() #0 {
>         > -  %x = call float @llvm.round.f32(float -1.25) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f32_03
>         > -; CHECK-NEXT: ret float 2.000000e+00
>         > -define float @constant_fold_round_f32_03() #0 {
>         > -  %x = call float @roundf(float 1.5) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f32_04
>         > -; CHECK-NEXT: ret float -2.000000e+00
>         > -define float @constant_fold_round_f32_04() #0 {
>         > -  %x = call float @llvm.round.f32(float -1.5) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f32_05
>         > -; CHECK-NEXT: ret float 3.000000e+00
>         > -define float @constant_fold_round_f32_05() #0 {
>         > -  %x = call float @roundf(float 2.75) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f32_06
>         > -; CHECK-NEXT: ret float -3.000000e+00
>         > -define float @constant_fold_round_f32_06() #0 {
>         > -  %x = call float @llvm.round.f32(float -2.75) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f64_01
>         > -; CHECK-NEXT: ret double 1.000000e+00
>         > -define double @constant_fold_round_f64_01() #0 {
>         > -  %x = call double @round(double 1.3) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f64_02
>         > -; CHECK-NEXT: ret double -1.000000e+00
>         > -define double @constant_fold_round_f64_02() #0 {
>         > -  %x = call double @llvm.round.f64(double -1.3) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f64_03
>         > -; CHECK-NEXT: ret double 2.000000e+00
>         > -define double @constant_fold_round_f64_03() #0 {
>         > -  %x = call double @round(double 1.5) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f64_04
>         > -; CHECK-NEXT: ret double -2.000000e+00
>         > -define double @constant_fold_round_f64_04() #0 {
>         > -  %x = call double @llvm.round.f64(double -1.5) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f64_05
>         > -; CHECK-NEXT: ret double 3.000000e+00
>         > -define double @constant_fold_round_f64_05() #0 {
>         > -  %x = call double @round(double 2.7) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -; CHECK-LABEL: @constant_fold_round_f64_06
>         > -; CHECK-NEXT: ret double -3.000000e+00
>         > -define double @constant_fold_round_f64_06() #0 {
>         > -  %x = call double @llvm.round.f64(double -2.7) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -attributes #0 = { nounwind readnone }
>         > +; RUN: opt -S -early-cse < %s | FileCheck %s
>         > +
>         > +declare float @roundf(float) #0
>         > +declare float @llvm.round.f32(float) #0
>         > +declare double @round(double) #0
>         > +declare double @llvm.round.f64(double) #0
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f32_01
>         > +; CHECK-NEXT: ret float 1.000000e+00
>         > +define float @constant_fold_round_f32_01() #0 {
>         > +  %x = call float @roundf(float 1.25) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f32_02
>         > +; CHECK-NEXT: ret float -1.000000e+00
>         > +define float @constant_fold_round_f32_02() #0 {
>         > +  %x = call float @llvm.round.f32(float -1.25) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f32_03
>         > +; CHECK-NEXT: ret float 2.000000e+00
>         > +define float @constant_fold_round_f32_03() #0 {
>         > +  %x = call float @roundf(float 1.5) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f32_04
>         > +; CHECK-NEXT: ret float -2.000000e+00
>         > +define float @constant_fold_round_f32_04() #0 {
>         > +  %x = call float @llvm.round.f32(float -1.5) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f32_05
>         > +; CHECK-NEXT: ret float 3.000000e+00
>         > +define float @constant_fold_round_f32_05() #0 {
>         > +  %x = call float @roundf(float 2.75) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f32_06
>         > +; CHECK-NEXT: ret float -3.000000e+00
>         > +define float @constant_fold_round_f32_06() #0 {
>         > +  %x = call float @llvm.round.f32(float -2.75) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f64_01
>         > +; CHECK-NEXT: ret double 1.000000e+00
>         > +define double @constant_fold_round_f64_01() #0 {
>         > +  %x = call double @round(double 1.3) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f64_02
>         > +; CHECK-NEXT: ret double -1.000000e+00
>         > +define double @constant_fold_round_f64_02() #0 {
>         > +  %x = call double @llvm.round.f64(double -1.3) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f64_03
>         > +; CHECK-NEXT: ret double 2.000000e+00
>         > +define double @constant_fold_round_f64_03() #0 {
>         > +  %x = call double @round(double 1.5) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f64_04
>         > +; CHECK-NEXT: ret double -2.000000e+00
>         > +define double @constant_fold_round_f64_04() #0 {
>         > +  %x = call double @llvm.round.f64(double -1.5) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f64_05
>         > +; CHECK-NEXT: ret double 3.000000e+00
>         > +define double @constant_fold_round_f64_05() #0 {
>         > +  %x = call double @round(double 2.7) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +; CHECK-LABEL: @constant_fold_round_f64_06
>         > +; CHECK-NEXT: ret double -3.000000e+00
>         > +define double @constant_fold_round_f64_06() #0 {
>         > +  %x = call double @llvm.round.f64(double -2.7) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +attributes #0 = { nounwind readnone }
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/saturating-add-sub.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/saturating-add-sub.ll
>         > similarity index 99%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/saturating-add-sub.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/saturating-add-sub.ll
>         > index 7c6fdbf1e1fd..9d250627c1b5 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/saturating-add-sub.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/saturating-add-sub.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   declare i8 @llvm.uadd.sat.i8(i8, i8)
>         >   declare i8 @llvm.sadd.sat.i8(i8, i8)
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/shift.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/shift.ll
>         > similarity index 96%
>         > rename from llvm/test/Transforms/ConstProp/shift.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/shift.ll
>         > index de23fe98ad87..3e64513533ff 100644
>         > --- a/llvm/test/Transforms/ConstProp/shift.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/shift.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   ; CHECK-LABEL: shift_undef_64
>         >   define void @shift_undef_64(i64* %p) {
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/smul-fix-sat.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/smul-fix-sat.ll
>         > similarity index 98%
>         > rename from llvm/test/Analysis/ConstantFolding/smul-fix-sat.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/smul-fix-sat.ll
>         > index 3caae7ce56e2..82d81a5dd0c5 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/smul-fix-sat.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/smul-fix-sat.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >
>          ;-----------------------------------------------------------------------------
>         >   ; Simple test using scalar layout.
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/smul-fix.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/smul-fix.ll
>         > similarity index 98%
>         > rename from llvm/test/Analysis/ConstantFolding/smul-fix.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/smul-fix.ll
>         > index 9fcf4a9d65c2..260c49419c90 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/smul-fix.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/smul-fix.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >
>          ;-----------------------------------------------------------------------------
>         >   ; Simple test using scalar layout.
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/sse.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/sse.ll
>         > similarity index 99%
>         > rename from llvm/test/Transforms/ConstProp/sse.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/sse.ll
>         > index ad0a62e42062..5d5c3e3309ad 100644
>         > --- a/llvm/test/Transforms/ConstProp/sse.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/sse.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >   ; REQUIRES: x86-registered-target
>         >
>         >   define i1 @test_sse_cvts_exact() nounwind readnone {
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/timeout.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/timeout.ll
>         > similarity index 97%
>         > rename from llvm/test/Analysis/ConstantFolding/timeout.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/timeout.ll
>         > index 3d28c2adbe48..0ebd365a0335 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/timeout.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/timeout.ll
>         > @@ -1,73 +1,73 @@
>         > -; NOTE: This is a timeout test for some O(something silly)
>         constant folding behaviour. It may not be the best test.
>         Providing it finishes, it passes.
>         > -; RUN: opt < %s -O3 -S | FileCheck %s
>         > -target datalayout =
>         "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
>         > -target triple = "armv8-none-eabi"
>         > -
>         > -%struct.ST = type { %struct.ST* }
>         > -
>         > - at global = internal global [121 x i8] zeroinitializer, align 1
>         > -
>         > -define void @func() #0 {
>         > -;CHECK-LABEL: func
>         > -entry:
>         > -  %s = alloca %struct.ST*, align 4
>         > -  %j = alloca i32, align 4
>         > -  store %struct.ST* bitcast ([121 x i8]* @global to
>         %struct.ST*), %struct.ST** %s, align 4
>         > -  store i32 0, i32* %j, align 4
>         > -  br label %for.cond
>         > -
>         > -for.cond:                                         ; preds =
>         %for.inc, %entry
>         > -  %0 = load i32, i32* %j, align 4
>         > -  %cmp = icmp slt i32 %0, 30
>         > -  br i1 %cmp, label %for.body, label %for.end
>         > -
>         > -for.body:                                         ; preds =
>         %for.cond
>         > -  %1 = load %struct.ST*, %struct.ST** %s, align 4
>         > -  %2 = bitcast %struct.ST* %1 to i8*
>         > -  %add.ptr = getelementptr inbounds i8, i8* %2, i32 4
>         > -  %3 = ptrtoint i8* %add.ptr to i32
>         > -  %4 = load %struct.ST*, %struct.ST** %s, align 4
>         > -  %5 = bitcast %struct.ST* %4 to i8*
>         > -  %add.ptr1 = getelementptr inbounds i8, i8* %5, i32 4
>         > -  %6 = ptrtoint i8* %add.ptr1 to i32
>         > -  %rem = urem i32 %6, 2
>         > -  %cmp2 = icmp eq i32 %rem, 0
>         > -  br i1 %cmp2, label %cond.true, label %cond.false
>         > -
>         > -cond.true:                                        ; preds =
>         %for.body
>         > -  br label %cond.end
>         > -
>         > -cond.false:                                       ; preds =
>         %for.body
>         > -  %7 = load %struct.ST*, %struct.ST** %s, align 4
>         > -  %8 = bitcast %struct.ST* %7 to i8*
>         > -  %add.ptr3 = getelementptr inbounds i8, i8* %8, i32 4
>         > -  %9 = ptrtoint i8* %add.ptr3 to i32
>         > -  %rem4 = urem i32 %9, 2
>         > -  br label %cond.end
>         > -
>         > -cond.end:                                         ; preds =
>         %cond.false, %cond.true
>         > -  %cond = phi i32 [ 0, %cond.true ], [ %rem4, %cond.false ]
>         > -  %add = add i32 %3, %cond
>         > -  %10 = inttoptr i32 %add to %struct.ST*
>         > -  %11 = load %struct.ST*, %struct.ST** %s, align 4
>         > -  %next = getelementptr inbounds %struct.ST, %struct.ST*
>         %11, i32 0, i32 0
>         > -  store %struct.ST* %10, %struct.ST** %next, align 4
>         > -  %12 = load %struct.ST*, %struct.ST** %s, align 4
>         > -  %next5 = getelementptr inbounds %struct.ST, %struct.ST*
>         %12, i32 0, i32 0
>         > -  %13 = load %struct.ST*, %struct.ST** %next5, align 4
>         > -  store %struct.ST* %13, %struct.ST** %s, align 4
>         > -  br label %for.inc
>         > -
>         > -for.inc:                                          ; preds =
>         %cond.end
>         > -  %14 = load i32, i32* %j, align 4
>         > -  %inc = add nsw i32 %14, 1
>         > -  store i32 %inc, i32* %j, align 4
>         > -  br label %for.cond
>         > -
>         > -for.end:                                          ; preds =
>         %for.cond
>         > -  %15 = load %struct.ST*, %struct.ST** %s, align 4
>         > -  %next6 = getelementptr inbounds %struct.ST, %struct.ST*
>         %15, i32 0, i32 0
>         > -  store %struct.ST* null, %struct.ST** %next6, align 4
>         > -  ret void
>         > -}
>         > -
>         > +; NOTE: This is a timeout test for some O(something silly)
>         constant folding behaviour. It may not be the best test.
>         Providing it finishes, it passes.
>         > +; RUN: opt < %s -O3 -S | FileCheck %s
>         > +target datalayout =
>         "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
>         > +target triple = "armv8-none-eabi"
>         > +
>         > +%struct.ST = type { %struct.ST* }
>         > +
>         > + at global = internal global [121 x i8] zeroinitializer, align 1
>         > +
>         > +define void @func() #0 {
>         > +;CHECK-LABEL: func
>         > +entry:
>         > +  %s = alloca %struct.ST*, align 4
>         > +  %j = alloca i32, align 4
>         > +  store %struct.ST* bitcast ([121 x i8]* @global to
>         %struct.ST*), %struct.ST** %s, align 4
>         > +  store i32 0, i32* %j, align 4
>         > +  br label %for.cond
>         > +
>         > +for.cond:                                         ; preds =
>         %for.inc, %entry
>         > +  %0 = load i32, i32* %j, align 4
>         > +  %cmp = icmp slt i32 %0, 30
>         > +  br i1 %cmp, label %for.body, label %for.end
>         > +
>         > +for.body:                                         ; preds =
>         %for.cond
>         > +  %1 = load %struct.ST*, %struct.ST** %s, align 4
>         > +  %2 = bitcast %struct.ST* %1 to i8*
>         > +  %add.ptr = getelementptr inbounds i8, i8* %2, i32 4
>         > +  %3 = ptrtoint i8* %add.ptr to i32
>         > +  %4 = load %struct.ST*, %struct.ST** %s, align 4
>         > +  %5 = bitcast %struct.ST* %4 to i8*
>         > +  %add.ptr1 = getelementptr inbounds i8, i8* %5, i32 4
>         > +  %6 = ptrtoint i8* %add.ptr1 to i32
>         > +  %rem = urem i32 %6, 2
>         > +  %cmp2 = icmp eq i32 %rem, 0
>         > +  br i1 %cmp2, label %cond.true, label %cond.false
>         > +
>         > +cond.true:                                        ; preds =
>         %for.body
>         > +  br label %cond.end
>         > +
>         > +cond.false:                                       ; preds =
>         %for.body
>         > +  %7 = load %struct.ST*, %struct.ST** %s, align 4
>         > +  %8 = bitcast %struct.ST* %7 to i8*
>         > +  %add.ptr3 = getelementptr inbounds i8, i8* %8, i32 4
>         > +  %9 = ptrtoint i8* %add.ptr3 to i32
>         > +  %rem4 = urem i32 %9, 2
>         > +  br label %cond.end
>         > +
>         > +cond.end:                                         ; preds =
>         %cond.false, %cond.true
>         > +  %cond = phi i32 [ 0, %cond.true ], [ %rem4, %cond.false ]
>         > +  %add = add i32 %3, %cond
>         > +  %10 = inttoptr i32 %add to %struct.ST*
>         > +  %11 = load %struct.ST*, %struct.ST** %s, align 4
>         > +  %next = getelementptr inbounds %struct.ST, %struct.ST*
>         %11, i32 0, i32 0
>         > +  store %struct.ST* %10, %struct.ST** %next, align 4
>         > +  %12 = load %struct.ST*, %struct.ST** %s, align 4
>         > +  %next5 = getelementptr inbounds %struct.ST, %struct.ST*
>         %12, i32 0, i32 0
>         > +  %13 = load %struct.ST*, %struct.ST** %next5, align 4
>         > +  store %struct.ST* %13, %struct.ST** %s, align 4
>         > +  br label %for.inc
>         > +
>         > +for.inc:                                          ; preds =
>         %cond.end
>         > +  %14 = load i32, i32* %j, align 4
>         > +  %inc = add nsw i32 %14, 1
>         > +  store i32 %inc, i32* %j, align 4
>         > +  br label %for.cond
>         > +
>         > +for.end:                                          ; preds =
>         %for.cond
>         > +  %15 = load %struct.ST*, %struct.ST** %s, align 4
>         > +  %next6 = getelementptr inbounds %struct.ST, %struct.ST*
>         %15, i32 0, i32 0
>         > +  store %struct.ST* null, %struct.ST** %next6, align 4
>         > +  ret void
>         > +}
>         > +
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/trunc.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/trunc.ll
>         > similarity index 96%
>         > rename from llvm/test/Analysis/ConstantFolding/trunc.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/trunc.ll
>         > index df1380917145..68d20002fe4a 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/trunc.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/trunc.ll
>         > @@ -1,105 +1,105 @@
>         > -; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt -S -early-cse < %s | FileCheck %s
>         > -
>         > -declare float @truncf(float) #0
>         > -declare float @llvm.trunc.f32(float) #0
>         > -declare double @trunc(double) #0
>         > -declare double @llvm.trunc.f64(double) #0
>         > -
>         > -define float @constant_fold_trunc_f32_01() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f32_01(
>         > -; CHECK-NEXT:    ret float 1.000000e+00
>         > -;
>         > -  %x = call float @truncf(float 1.25) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_trunc_f32_02() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f32_02(
>         > -; CHECK-NEXT:    ret float -1.000000e+00
>         > -;
>         > -  %x = call float @llvm.trunc.f32(float -1.25) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_trunc_f32_03() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f32_03(
>         > -; CHECK-NEXT:    ret float 1.000000e+00
>         > -;
>         > -  %x = call float @truncf(float 1.5) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_trunc_f32_04() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f32_04(
>         > -; CHECK-NEXT:    ret float -1.000000e+00
>         > -;
>         > -  %x = call float @llvm.trunc.f32(float -1.5) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_trunc_f32_05() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f32_05(
>         > -; CHECK-NEXT:    ret float 2.000000e+00
>         > -;
>         > -  %x = call float @truncf(float 2.75) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define float @constant_fold_trunc_f32_06() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f32_06(
>         > -; CHECK-NEXT:    ret float -2.000000e+00
>         > -;
>         > -  %x = call float @llvm.trunc.f32(float -2.75) #0
>         > -  ret float %x
>         > -}
>         > -
>         > -define double @constant_fold_trunc_f64_01() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f64_01(
>         > -; CHECK-NEXT:    ret double 1.000000e+00
>         > -;
>         > -  %x = call double @trunc(double 1.3) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_trunc_f64_02() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f64_02(
>         > -; CHECK-NEXT:    ret double -1.000000e+00
>         > -;
>         > -  %x = call double @llvm.trunc.f64(double -1.3) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_trunc_f64_03() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f64_03(
>         > -; CHECK-NEXT:    ret double 1.000000e+00
>         > -;
>         > -  %x = call double @trunc(double 1.5) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_trunc_f64_04() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f64_04(
>         > -; CHECK-NEXT:    ret double -1.000000e+00
>         > -;
>         > -  %x = call double @llvm.trunc.f64(double -1.5) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_trunc_f64_05() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f64_05(
>         > -; CHECK-NEXT:    ret double 2.000000e+00
>         > -;
>         > -  %x = call double @trunc(double 2.7) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -define double @constant_fold_trunc_f64_06() #0 {
>         > -; CHECK-LABEL: @constant_fold_trunc_f64_06(
>         > -; CHECK-NEXT:    ret double -2.000000e+00
>         > -;
>         > -  %x = call double @llvm.trunc.f64(double -2.7) #0
>         > -  ret double %x
>         > -}
>         > -
>         > -attributes #0 = { nounwind readnone }
>         > +; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > +; RUN: opt -S -early-cse < %s | FileCheck %s
>         > +
>         > +declare float @truncf(float) #0
>         > +declare float @llvm.trunc.f32(float) #0
>         > +declare double @trunc(double) #0
>         > +declare double @llvm.trunc.f64(double) #0
>         > +
>         > +define float @constant_fold_trunc_f32_01() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f32_01(
>         > +; CHECK-NEXT:    ret float 1.000000e+00
>         > +;
>         > +  %x = call float @truncf(float 1.25) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_trunc_f32_02() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f32_02(
>         > +; CHECK-NEXT:    ret float -1.000000e+00
>         > +;
>         > +  %x = call float @llvm.trunc.f32(float -1.25) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_trunc_f32_03() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f32_03(
>         > +; CHECK-NEXT:    ret float 1.000000e+00
>         > +;
>         > +  %x = call float @truncf(float 1.5) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_trunc_f32_04() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f32_04(
>         > +; CHECK-NEXT:    ret float -1.000000e+00
>         > +;
>         > +  %x = call float @llvm.trunc.f32(float -1.5) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_trunc_f32_05() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f32_05(
>         > +; CHECK-NEXT:    ret float 2.000000e+00
>         > +;
>         > +  %x = call float @truncf(float 2.75) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define float @constant_fold_trunc_f32_06() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f32_06(
>         > +; CHECK-NEXT:    ret float -2.000000e+00
>         > +;
>         > +  %x = call float @llvm.trunc.f32(float -2.75) #0
>         > +  ret float %x
>         > +}
>         > +
>         > +define double @constant_fold_trunc_f64_01() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f64_01(
>         > +; CHECK-NEXT:    ret double 1.000000e+00
>         > +;
>         > +  %x = call double @trunc(double 1.3) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_trunc_f64_02() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f64_02(
>         > +; CHECK-NEXT:    ret double -1.000000e+00
>         > +;
>         > +  %x = call double @llvm.trunc.f64(double -1.3) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_trunc_f64_03() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f64_03(
>         > +; CHECK-NEXT:    ret double 1.000000e+00
>         > +;
>         > +  %x = call double @trunc(double 1.5) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_trunc_f64_04() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f64_04(
>         > +; CHECK-NEXT:    ret double -1.000000e+00
>         > +;
>         > +  %x = call double @llvm.trunc.f64(double -1.5) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_trunc_f64_05() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f64_05(
>         > +; CHECK-NEXT:    ret double 2.000000e+00
>         > +;
>         > +  %x = call double @trunc(double 2.7) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +define double @constant_fold_trunc_f64_06() #0 {
>         > +; CHECK-LABEL: @constant_fold_trunc_f64_06(
>         > +; CHECK-NEXT:    ret double -2.000000e+00
>         > +;
>         > +  %x = call double @llvm.trunc.f64(double -2.7) #0
>         > +  ret double %x
>         > +}
>         > +
>         > +attributes #0 = { nounwind readnone }
>         >
>         > diff  --git a/llvm/test/Transforms/ConstProp/trunc_vec.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/trunc_vec.ll
>         > similarity index 86%
>         > rename from llvm/test/Transforms/ConstProp/trunc_vec.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/trunc_vec.ll
>         > index 99db329cdd2b..3f4882e18171 100644
>         > --- a/llvm/test/Transforms/ConstProp/trunc_vec.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/trunc_vec.ll
>         > @@ -1,4 +1,4 @@
>         > -; RUN: opt -constprop < %s
>         > +; RUN: opt -instsimplify < %s
>         >
>         >   ; Make sure we don't crash on this one
>         >
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/vecreduce.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/vecreduce.ll
>         > similarity index 99%
>         > rename from llvm/test/Analysis/ConstantFolding/vecreduce.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/vecreduce.ll
>         > index 4d6ba1b45db1..5f1861e24b62 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/vecreduce.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/vecreduce.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S | FileCheck %s
>         >
>         >   declare i32 @llvm.experimental.vector.reduce.add.v1i32(<1
>         x i32> %a)
>         >   declare i32 @llvm.experimental.vector.reduce.add.v8i32(<8
>         x i32> %a)
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/vector-undef-elts.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/vector-undef-elts.ll
>         > similarity index 97%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/vector-undef-elts.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/vector-undef-elts.ll
>         > index ab1e8c1e436a..5d0f484bc3fd 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/vector-undef-elts.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/vector-undef-elts.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S -o - | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S -o - | FileCheck %s
>         >
>         >   ; When both operands are undef in a lane, that lane should
>         produce an undef result.
>         >
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/vectorgep-crash.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/vectorgep-crash.ll
>         > similarity index 100%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/vectorgep-crash.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/vectorgep-crash.ll
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/vscale-getelementptr.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/vscale-getelementptr.ll
>         > similarity index 97%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/vscale-getelementptr.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/vscale-getelementptr.ll
>         > index 8e90961928c9..6ac6564a08a9 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/vscale-getelementptr.ll
>         > +++
>         b/llvm/test/Transforms/InstSimplify/ConstProp/vscale-getelementptr.ll
>         > @@ -1,32 +1,32 @@
>         > -; RUN: opt -early-cse -S < %s | FileCheck %s
>         > -
>         > -target datalayout =
>         "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
>         > -target triple = "aarch64"
>         > -
>         > -; CHECK-LABEL: define <4 x i32*>
>         @fixed_length_version_first() {
>         > -; CHECK-NEXT:  ret <4 x i32*> undef
>         > -define <4 x i32*> @fixed_length_version_first() {
>         > -  %ptr = getelementptr i32, <4 x i32*> undef, <4 x i64> undef
>         > -  ret <4 x i32*> %ptr
>         > -}
>         > -
>         > -; CHECK-LABEL: define <4 x <4 x i32>*>
>         @fixed_length_version_second() {
>         > -; CHECK-NEXT:  ret <4 x <4 x i32>*> undef
>         > -define <4 x <4 x i32>*> @fixed_length_version_second() {
>         > -  %ptr = getelementptr <4 x i32>, <4 x i32>* undef, <4 x
>         i64> undef
>         > -  ret <4 x <4 x i32>*> %ptr
>         > -}
>         > -
>         > -; CHECK-LABEL: define <vscale x 4 x i32*>
>         @vscale_version_first() {
>         > -; CHECK-NEXT:  ret <vscale x 4 x i32*> undef
>         > -define <vscale x 4 x i32*> @vscale_version_first() {
>         > -  %ptr = getelementptr i32, <vscale x 4 x i32*> undef,
>         <vscale x 4 x i64> undef
>         > -  ret <vscale x 4 x i32*> %ptr
>         > -}
>         > -
>         > -; CHECK-LABEL: define <vscale x 4 x <vscale x 4 x i32>*>
>         @vscale_version_second() {
>         > -; CHECK-NEXT:  ret <vscale x 4 x <vscale x 4 x i32>*> undef
>         > -define <vscale x 4 x <vscale x 4 x i32>*>
>         @vscale_version_second() {
>         > -  %ptr = getelementptr <vscale x 4 x i32>, <vscale x 4 x
>         i32>* undef, <vscale x 4 x i64> undef
>         > -  ret <vscale x 4 x <vscale x 4 x i32>*> %ptr
>         > -}
>         > +; RUN: opt -early-cse -S < %s | FileCheck %s
>         > +
>         > +target datalayout =
>         "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
>         > +target triple = "aarch64"
>         > +
>         > +; CHECK-LABEL: define <4 x i32*>
>         @fixed_length_version_first() {
>         > +; CHECK-NEXT:  ret <4 x i32*> undef
>         > +define <4 x i32*> @fixed_length_version_first() {
>         > +  %ptr = getelementptr i32, <4 x i32*> undef, <4 x i64> undef
>         > +  ret <4 x i32*> %ptr
>         > +}
>         > +
>         > +; CHECK-LABEL: define <4 x <4 x i32>*>
>         @fixed_length_version_second() {
>         > +; CHECK-NEXT:  ret <4 x <4 x i32>*> undef
>         > +define <4 x <4 x i32>*> @fixed_length_version_second() {
>         > +  %ptr = getelementptr <4 x i32>, <4 x i32>* undef, <4 x
>         i64> undef
>         > +  ret <4 x <4 x i32>*> %ptr
>         > +}
>         > +
>         > +; CHECK-LABEL: define <vscale x 4 x i32*>
>         @vscale_version_first() {
>         > +; CHECK-NEXT:  ret <vscale x 4 x i32*> undef
>         > +define <vscale x 4 x i32*> @vscale_version_first() {
>         > +  %ptr = getelementptr i32, <vscale x 4 x i32*> undef,
>         <vscale x 4 x i64> undef
>         > +  ret <vscale x 4 x i32*> %ptr
>         > +}
>         > +
>         > +; CHECK-LABEL: define <vscale x 4 x <vscale x 4 x i32>*>
>         @vscale_version_second() {
>         > +; CHECK-NEXT:  ret <vscale x 4 x <vscale x 4 x i32>*> undef
>         > +define <vscale x 4 x <vscale x 4 x i32>*>
>         @vscale_version_second() {
>         > +  %ptr = getelementptr <vscale x 4 x i32>, <vscale x 4 x
>         i32>* undef, <vscale x 4 x i64> undef
>         > +  ret <vscale x 4 x <vscale x 4 x i32>*> %ptr
>         > +}
>         >
>         > diff  --git
>         a/llvm/test/Analysis/ConstantFolding/vscale-shufflevector.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/vscale-shufflevector.ll
>         > similarity index 100%
>         > rename from
>         llvm/test/Analysis/ConstantFolding/vscale-shufflevector.ll
>         > rename to
>         llvm/test/Transforms/InstSimplify/ConstProp/vscale-shufflevector.ll
>         >
>         > diff  --git a/llvm/test/Analysis/ConstantFolding/vscale.ll
>         b/llvm/test/Transforms/InstSimplify/ConstProp/vscale.ll
>         > similarity index 95%
>         > rename from llvm/test/Analysis/ConstantFolding/vscale.ll
>         > rename to llvm/test/Transforms/InstSimplify/ConstProp/vscale.ll
>         > index f00e74bd14ac..d590c565316e 100644
>         > --- a/llvm/test/Analysis/ConstantFolding/vscale.ll
>         > +++ b/llvm/test/Transforms/InstSimplify/ConstProp/vscale.ll
>         > @@ -1,5 +1,5 @@
>         >   ; NOTE: Assertions have been autogenerated by
>         utils/update_test_checks.py
>         > -; RUN: opt < %s -constprop -S -verify | FileCheck %s
>         > +; RUN: opt < %s -instsimplify -S -verify | FileCheck %s
>         >
>         >
>          ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>         >   ;; Unary Operations
>         > @@ -225,14 +225,14 @@ define <vscale x 4 x i32> @select() {
>         >     ret <vscale x 4 x i32> %r
>         >   }
>         >
>         > -declare <vscale x 16 x i8> @llvm.sadd.sat.nxv16i8(<vscale x
>         16 x i8>, <vscale x 16 x i8>)
>         > +declare <vscale x 16 x i8> @llvm.something(<vscale x 16 x
>         i8>, <vscale x 16 x i8>)
>         >
>         >   define <vscale x 16 x i8> @call() {
>         >   ; CHECK-LABEL: @call(
>         > -; CHECK-NEXT:    [[R:%.*]] = call <vscale x 16 x i8>
>         @llvm.sadd.sat.nxv16i8(<vscale x 16 x i8> undef, <vscale x 16
>         x i8> undef)
>         > +; CHECK-NEXT:    [[R:%.*]] = call <vscale x 16 x i8>
>         @llvm.something(<vscale x 16 x i8> undef, <vscale x 16 x i8>
>         undef)
>         >   ; CHECK-NEXT:    ret <vscale x 16 x i8> [[R]]
>         >   ;
>         > -  %r =  call <vscale x 16 x i8>
>         @llvm.sadd.sat.nxv16i8(<vscale x 16 x i8> undef, <vscale x 16
>         x i8> undef)
>         > +  %r =  call <vscale x 16 x i8> @llvm.something(<vscale x
>         16 x i8> undef, <vscale x 16 x i8> undef)
>         >     ret <vscale x 16 x i8> %r
>         >   }
>         >
>         >
>         > diff  --git
>         a/llvm/test/Transforms/SimplifyCFG/2005-12-03-IncorrectPHIFold.ll
>         b/llvm/test/Transforms/SimplifyCFG/2005-12-03-IncorrectPHIFold.ll
>         > index 2606e08da9a2..d31fd52ac362 100644
>         > ---
>         a/llvm/test/Transforms/SimplifyCFG/2005-12-03-IncorrectPHIFold.ll
>         > +++
>         b/llvm/test/Transforms/SimplifyCFG/2005-12-03-IncorrectPHIFold.ll
>         > @@ -1,6 +1,6 @@
>         >   ; Make sure this doesn't turn into an infinite loop
>         >
>         > -; RUN: opt < %s -simplifycfg -constprop -simplifycfg |
>         llvm-dis | FileCheck %s
>         > +; RUN: opt < %s -simplifycfg -instsimplify -simplifycfg |
>         llvm-dis | FileCheck %s
>         >
>         >   %struct.anon = type { i32, i32, i32, i32, [1024 x i8] }
>         >   @_zero_ = external global %struct.anon*  ;
>         <%struct.anon**> [#uses=2]
>         >
>         > diff  --git
>         a/llvm/unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp
>         b/llvm/unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp
>         > index 52b3b76e795f..29130ec1e56b 100644
>         > --- a/llvm/unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp
>         > +++ b/llvm/unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp
>         > @@ -285,7 +285,6 @@ class MCJITCAPITest : public
>         testing::Test, public MCJITTestAPICommon {
>         >
>         >     void buildAndRunPasses() {
>         >       LLVMPassManagerRef pass = LLVMCreatePassManager();
>         > -    LLVMAddConstantPropagationPass(pass);
>         >       LLVMAddInstructionCombiningPass(pass);
>         >       LLVMRunPassManager(pass, Module);
>         >       LLVMDisposePassManager(pass);
>         >
>         > diff  --git
>         a/llvm/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
>         b/llvm/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
>         > index 57c09a7bb4d0..60fcbe031871 100644
>         > ---
>         a/llvm/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
>         > +++
>         b/llvm/utils/gn/secondary/llvm/lib/Transforms/Scalar/BUILD.gn
>         > @@ -15,7 +15,6 @@ static_library("Scalar") {
>         >       "BDCE.cpp",
>         >       "CallSiteSplitting.cpp",
>         >       "ConstantHoisting.cpp",
>         > -    "ConstantProp.cpp",
>         >       "CorrelatedValuePropagation.cpp",
>         >       "DCE.cpp",
>         >       "DeadStoreElimination.cpp",
>         >
>         >
>         >
>         > _______________________________________________
>         > llvm-commits mailing list
>         > llvm-commits at lists.llvm.org <mailto:llvm-commits at lists.llvm.org>
>         > https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
>
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