Philip Reames 7088e609a9 Remove dead zero store to calloc initialized memory ... Optimize the following IR: %1 = tail call noalias i8* @calloc(i64 1, i64 4) %2 = bitcast i8* %1 to i32* ; This store is dead and should be removed store i32 0, i32* %2, align 4 Memory returned by calloc is guaranteed to be zero initialized. If the value being stored is the constant zero (and the store is not otherwise observable across threads), we can delete the store. If the store is to an out of bounds address, it is undefined and thus also removable. Reviewed By: nicholas Differential Revision: http://reviews.llvm.org/D3942 llvm-svn: 214897		2014-08-05 17:48:20 +00:00
..
Analysis	Teach the SLP Vectorizer that keeping some values live over a callsite can have a cost.	2014-08-05 12:30:34 +00:00
AsmParser	Use "weak alias" instead of "alias weak"	2014-07-30 22:51:54 +00:00
Bitcode	UseListOrder: Fix blockaddress use-list order	2014-08-01 22:27:19 +00:00
CodeGen	Optimize vector fabs of bitcasted constant integer values.	2014-08-05 17:35:22 +00:00
DebugInfo	DWOHolder takes ownership of the argument constructor, use std::unique_ptr.	2014-07-31 20:26:42 +00:00
ExecutionEngine	Remove the TargetMachine forwards for TargetSubtargetInfo based	2014-08-04 21:25:23 +00:00
IR	Provide convenient access to the zext/sext attributes of function arguments. NFC.	2014-08-05 05:43:41 +00:00
IRReader	Update the MemoryBuffer API to use ErrorOr.	2014-07-06 17:43:13 +00:00
LineEditor
Linker	Include <tuple> to make buildbots happy	2014-06-27 18:38:12 +00:00
LTO	Remove the TargetMachine forwards for TargetSubtargetInfo based	2014-08-04 21:25:23 +00:00
MC	Enable Darwin vararg parameters support in assembler macros.	2014-08-04 23:14:37 +00:00
Object	A std::unique_ptr case I missed in the previous patch.	2014-07-31 03:36:00 +00:00
Option	Generic: add range-adapter for option parsing.	2014-07-09 13:03:37 +00:00
ProfileData	Coverage: add HasCodeBefore flag to a mapping region.	2014-08-04 18:00:51 +00:00
Support	Path: Stop claiming path::const_iterator is bidirectional	2014-08-04 17:36:41 +00:00
TableGen	Allow binary and for tblgen math.	2014-08-05 09:43:25 +00:00
Target	Revert r214881 because it broke lots of build-bots	2014-08-05 17:36:05 +00:00
Transforms	Remove dead zero store to calloc initialized memory	2014-08-05 17:48:20 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile