LLVM - Revision history

PhilippeTeuwen: /* Numba */

2014-11-14T15:01:08Z

Numba

← Older revision		Revision as of 15:01, 14 November 2014
Line 199:		Line 199:
	export('multc c16(c16, c16)'))(mult)		export('multc c16(c16, c16)'))(mult)
	</source>		</source>
			==[https://github.com/numba/llvmlite LLVMlite]==
			llvmlite is the lightweight Python binding developed for Numba

	==Pyston==		==Pyston==
	by Dropbox		by Dropbox

PhilippeTeuwen: /* llpython */

2014-05-22T22:13:16Z

llpython

← Older revision		Revision as of 22:13, 22 May 2014
Line 129:		Line 129:
	''We developed LLPython with the initial goal of simplifying writing LLVM code.''		''We developed LLPython with the initial goal of simplifying writing LLVM code.''

			Tests as at the moment there is very little user doc:
	'''TODO''' not clear yet from the doc how to use it...
			<source lang=python>
			import llvm.core as lc
			from llpython import bytetype

			ll_ipow = lc.Type.function(bytetype.li32, (bytetype.li32, bytetype.li32))

			def ipow (val, exp):
			ret_val = 1
			temp = val
			w = exp
			while w > 0:
			if (w & 1) != 0:
			ret_val *= temp
			# TODO: Overflow check on ret_val
			w >>= 1
			if w == 0: break
			temp *= temp
			# TODO: Overflow check on temp
			return ret_val

			ll_pymod = lc.Type.function(bytetype.li32, (bytetype.li32, bytetype.li32))

			def pymod (arg1, arg2):
			ret_val = arg1 % arg2
			if ret_val < 0:
			if arg2 > 0:
			ret_val += arg2
			elif arg2 < 0:
			ret_val += arg2
			return ret_val

			lm = lc.Module.new('test_module')
			from llpython import byte_translator
			byte_translator.translate_function(ipow, ll_ipow, lm)
			byte_translator.translate_function(pymod, ll_pymod, lm)
			print(lm)

			# Ok let's JIT & run the LLVM IR code:
			from llvm.ee import ExecutionEngine, GenericValue
			ee = ExecutionEngine.new(lm)

			arg1 = GenericValue.int(bytetype.li32, 235)
			arg2 = GenericValue.int(bytetype.li32, 17)
			retval = ee.run_function(lm.get_function_named('pymod'), [arg1, arg2])
			print "pymod(235, 17) =", retval.as_int()

			# Tried ipow() but it loops infinitely
			#arg1 = GenericValue.int(bytetype.li32, 2)
			#arg2 = GenericValue.int(bytetype.li32, 8)
			#retval = ee.run_function(lm.get_function_named('ipow'), [arg1, arg2])
			#print "returned", retval.as_int()
			</source>

	==Numba==		==Numba==

PhilippeTeuwen: /* llvmpy */

2014-05-20T13:44:18Z

llvmpy

← Older revision		Revision as of 13:44, 20 May 2014
Line 109:		Line 109:
	deactivate		deactivate
	</source>		</source>

	Install with LLVM 3.3:		Install with LLVM 3.3:
	<br>idem, just replace llvm32 by llvm33		<br>idem, just replace llvm32 by llvm33

			Install with LLVM 3.4
			<br>v0.12.5 doesn't support LLVM 3.4 apparently, compil fails

	===[http://www.llvmpy.org/llvmpy-doc/0.12.4/doc/llvm_cbuilder.html llvm_cbuilder]===		===[http://www.llvmpy.org/llvmpy-doc/0.12.4/doc/llvm_cbuilder.html llvm_cbuilder]===
	set of Python-contexts you can use to write C-like constructs in Python which generates llvmpy code directly.		set of Python-contexts you can use to write C-like constructs in Python which generates llvmpy code directly.

PhilippeTeuwen: /* llvmpy */

2014-05-20T13:01:37Z

llvmpy

← Older revision		Revision as of 13:01, 20 May 2014
Line 89:		Line 89:
	=with Python=		=with Python=
	==[http://www.llvmpy.org/ llvmpy]==		==[http://www.llvmpy.org/ llvmpy]==
	Install:		Install with LLVM 3.2:
	<source lang=bash>		<source lang=bash>
	export PATH=/path/to/llvm32/llvm-install/bin:$PATH		export PATH=/path/to/llvm32/llvm-install/bin:$PATH
Line 102:		Line 102:
	deactivate		deactivate
	</source>		</source>
	Usage:		Usage with LLVM 3.2:
	<source lang=bash>		<source lang=bash>
	export PATH=/path/to/llvm32/llvm-install/bin:$PATH		export PATH=/path/to/llvm32/llvm-install/bin:$PATH
Line 109:		Line 109:
	deactivate		deactivate
	</source>		</source>
	~~Works~~ with ~~LLVM 3.2,~~ LLVM 3.3		Install with LLVM 3.3:
			<br>idem, just replace llvm32 by llvm33
	===[http://www.llvmpy.org/llvmpy-doc/0.12.4/doc/llvm_cbuilder.html llvm_cbuilder]===		===[http://www.llvmpy.org/llvmpy-doc/0.12.4/doc/llvm_cbuilder.html llvm_cbuilder]===
	set of Python-contexts you can use to write C-like constructs in Python which generates llvmpy code directly.		set of Python-contexts you can use to write C-like constructs in Python which generates llvmpy code directly.

PhilippeTeuwen: /* llvmpy */

2014-05-20T13:00:21Z

llvmpy

← Older revision		Revision as of 13:00, 20 May 2014
Line 109:		Line 109:
	deactivate		deactivate
	</source>		</source>
			Works with LLVM 3.2, LLVM 3.3
	===[http://www.llvmpy.org/llvmpy-doc/0.12.4/doc/llvm_cbuilder.html llvm_cbuilder]===		===[http://www.llvmpy.org/llvmpy-doc/0.12.4/doc/llvm_cbuilder.html llvm_cbuilder]===
	set of Python-contexts you can use to write C-like constructs in Python which generates llvmpy code directly.		set of Python-contexts you can use to write C-like constructs in Python which generates llvmpy code directly.

PhilippeTeuwen: /* LLVM */

2014-05-20T10:19:39Z

LLVM

@@ Line 70: / Line 70: @@
 export PATH=/path/to/llvm34/llvm-install/bin:$PATH
 </source>
 =with Python=

PhilippeTeuwen: /* 3.3 */

2014-05-20T10:05:51Z

3.3

@@ Line 46: / Line 46: @@
 <source lang=bash>
 export PATH=/path/to/llvm33/llvm-install/bin:$PATH
 </source>

PhilippeTeuwen: /* 3.2 */

2014-05-20T09:57:33Z

3.2

← Older revision		Revision as of 09:57, 20 May 2014
Line 1:		Line 1:
	=LLVM=		=LLVM=
	==3.2==		==3.2==
			Tagged version on git failed, so working from the tarballs:
	Install:		<br>Install:
	<source lang=bash>		<source lang=bash>
	cd /path/to		cd /path/to
	mkdir llvm32		mkdir llvm32
			cd llvm32
	wget http://llvm.org/releases/3.2/llvm-3.2.src.tar.gz		wget http://llvm.org/releases/3.2/llvm-3.2.src.tar.gz
	wget http://llvm.org/releases/3.2/clang-3.2.src.tar.gz		wget http://llvm.org/releases/3.2/clang-3.2.src.tar.gz
	tar xzf llvm-3.2.src.tar.gz		tar xzf llvm-3.2.src.tar.gz
	cd ~~/path/to/llvm32/~~llvm-3.2.src/tools/		cd llvm-3.2.src/tools/
	tar xzf ../../clang-3.2.src.tar.gz		tar xzf ../../clang-3.2.src.tar.gz
	cd /path/to/llvm32		cd /path/to/llvm32
	mkdir llvm-build		mkdir llvm-build
	cd ~~/path/to/llvm32/~~llvm-build		cd llvm-build
	../llvm-3.2.src/configure --enable-optimized --prefix=/path/to/llvm32/llvm-install		../llvm-3.2.src/configure --enable-optimized --prefix=/path/to/llvm32/llvm-install
	REQUIRES_RTTI=1 make -j3		REQUIRES_RTTI=1 make -j3
Line 20:		Line 22:
	<source lang=bash>		<source lang=bash>
	export PATH=/path/to/llvm32/llvm-install/bin:$PATH		export PATH=/path/to/llvm32/llvm-install/bin:$PATH
			</source>
			==3.3==
			Tagged version on git failed, so working from the tarballs:
			<br>Install:
			<source lang=bash>
			cd /path/to
			mkdir llvm33
			cd llvm33
			wget http://llvm.org/releases/3.3/llvm-3.3.src.tar.gz
			wget http://llvm.org/releases/3.3/cfe-3.3.src.tar.gz
			tar xzf llvm-3.3.src.tar.gz
			cd llvm-3.3.src/tools/
			tar xzf ../../cfe-3.3.src.tar.gz
			mv cfe-3.3.src clang
			cd /path/to/llvm33
			mkdir llvm-build
			cd llvm-build
			../llvm-3.3.src/configure --enable-optimized --prefix=/path/to/llvm33/llvm-install
			REQUIRES_RTTI=1 make -j3
			make install
			</source>
			Use:
			<source lang=bash>
			export PATH=/path/to/llvm33/llvm-install/bin:$PATH
	</source>		</source>

PhilippeTeuwen: /* llvmpy */

2014-05-20T09:47:49Z

llvmpy

← Older revision		Revision as of 09:47, 20 May 2014
Line 24:		Line 24:
	=with Python=		=with Python=
	==[http://www.llvmpy.org/ llvmpy]==		==[http://www.llvmpy.org/ llvmpy]==
			Install:
	<source lang=bash>		<source lang=bash>
	export PATH=/path/to/llvm32/llvm-install/bin:$PATH		export PATH=/path/to/llvm32/llvm-install/bin:$PATH
Line 34:		Line 35:
	cd ..		cd ..
	python -c "import llvm; llvm.test()"		python -c "import llvm; llvm.test()"
			deactivate
			</source>
			Usage:
			<source lang=bash>
			export PATH=/path/to/llvm32/llvm-install/bin:$PATH
			. llvmpy_llvm32.env/bin/activate
			# Do your stuff... python -c "import llvm; llvm.test()"
			deactivate
	</source>		</source>
	===[http://www.llvmpy.org/llvmpy-doc/0.12.4/doc/llvm_cbuilder.html llvm_cbuilder]===		===[http://www.llvmpy.org/llvmpy-doc/0.12.4/doc/llvm_cbuilder.html llvm_cbuilder]===

PhilippeTeuwen: /* llvmpy */

2014-05-20T09:43:14Z

llvmpy

← Older revision		Revision as of 09:43, 20 May 2014
Line 25:		Line 25:
	==[http://www.llvmpy.org/ llvmpy]==		==[http://www.llvmpy.org/ llvmpy]==
	<source lang=bash>		<source lang=bash>
			export PATH=/path/to/llvm32/llvm-install/bin:$PATH
	virtualenv llvmpy_llvm32.env		virtualenv llvmpy_llvm32.env
	. llvmpy_llvm32.env/bin/activate		. llvmpy_llvm32.env/bin/activate