* added math function support

* bug fix extern func call in llvm based codegen

lint fix

fix build

bug fix extern func call in llvm based codegen

* moved rocm bitcodes detection to python

* [ARITH] More caninical simplfy

* [DEBUG] Use HalideIR with trace logging

* [CODEGEN] Allow link additional module

* fix py3

* add register back

* [CODEGEN] Force not inline compute core for better debug

* also support llvm4

* [TVM] Introduce target generic dispatch system

* fix target warning

* [CODEGEN] Detect broadcast(cast(x)) pattern in FMA

* [CODEGEN] Improve

* [CODEGEN] Fix

* added support for rocm gpu autodetect

* changed type casting from old style to static_cast

* fixed code to generate gfx specific code object

* fixed namespaces

* [RUNTIME] Enable ext_dev type for quick plugin of device

* [TEST] Update testcase to cover all computation

* [PASS] copy intrin

* update comment thanks to derisavi

* [ARITH] Improve detect linear equation

* fix doc

* [RUNTIME] Minimum graph runtime

* update docs

* [INTRIN] Enable pow

* rename pow->power

* fix

* [CODEGEN] Redo CodegenLLVM.

* Add remarks about origin of the pass

Properly acknowledge related projects

* Fix and expression

* [METAL] use 32bit indexing for metal until we have a bound adapted pass

* fix lint

* [RPC] Expose module handle

* not include handle

* [PASS] Fix intrinsic lowering with fma and other intrin

* relax rtol for sqrt

* added initial llvm codegen for amdgpu

* fixed whitespace

* fixed hsaco gen from ir

* fixed targetmachine for rocm and added GetSource for rocm

* fixed whitespace issues

* changed statement to use less than 100 lines

* added intrinsics for workgroup - rocm

* whitespace - newline error fix

* fixed error msg for workitem-workgroup intrinsics

* added llvm ir dump for rocm codegen

* [ROCM] changed codegen to emit proper amdgpu kernel header

* fixed whitespace error

* fixed whitespace error- 2

* fixed AddFunction to not to use extra arg

1. Changed AddFunctionInternal to not to take extra arg for target type
2. Use Target from CodeGenLLVM to check for AMDGPU target

* fixed whitespaces

* fixed whitespaces 2

* fixed codegen for AMDGPU - now generating valid IR

* fixed codegen depending on code review

* reviewed alignment for amd devices

* added code to dump code object to file

* fixed cpplint errors

* print out IR after pass manager

* added code to dump asm, obj to file and std string

* fixed whitespaces

* Update codegen_amdgpu.cc

* used registry for amdgpu llvm

* Fixed whitespaces

* added code for calling linker

* fixed formatting errors

* added rocm link python interface

* fixed pylint issues and added more body to the function

* added doc string

* added doc string for module

* fixed python code after review, fixed llvm object codegen

* fixed linker to generate code object

* removed dumping to output file and debugging log out

* fixed lint for python code

* added fault check after running linker

* removed print statement in rocm.py

* changed rocm lld linker to raise runtimeerror than emitting error log to stderr

* changed the way linker command line is pass to subprocess.popen

* removed redundant code and reuse tvm utils

* removed commented out code

* removed cloning of unused modules, and put IR into string

Clarify confusing error message for unmatched context

* [RUNTIME] Enable extension type to PackedFunc.

* More comments

* [RUNTIME][RPC] Enable remote linking of device code.

* fix build

* [SCHEDULE] Enahance cache_write to enable layout change.

* more tests