llvm-project/llvm/lib
David Majnemer 2d6c023576 InstSimplify: Optimize signed icmp of -(zext V)
Summary:
We know that -(zext V) will always be <= zero, simplify signed icmps
that have these.

Uncovered using http://www.cs.utah.edu/~regehr/souper/

Reviewers: nicholas

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D3754

llvm-svn: 208809
2014-05-14 20:16:28 +00:00
..
Analysis InstSimplify: Optimize signed icmp of -(zext V) 2014-05-14 20:16:28 +00:00
AsmParser Revert "[ms-cxxabi] Add a new calling convention that swaps 'this' and 'sret'" 2014-05-09 22:56:42 +00:00
Bitcode IR: Don't allow non-default visibility on local linkage 2014-05-07 22:57:20 +00:00
CodeGen DebugInfo: Do not delay attaching DW_AT_inline attribute to abstract definitions. 2014-05-14 17:58:53 +00:00
DebugInfo [DWARF parser] Cleanup code in DWARFDebugLine. 2014-04-30 00:09:19 +00:00
ExecutionEngine [RuntimeDyld] Fix handling of i386 PC-rel external relocations. This fixes 2014-05-13 22:09:07 +00:00
IR Split GlobalValue into GlobalValue and GlobalObject. 2014-05-13 18:45:48 +00:00
IRReader [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 06:32:26 +00:00
LTO Move EmitDwarfAdvanceLineAddr and EmitDwarfAdvanceFrameAddr to the obj streamer. 2014-05-12 14:43:25 +00:00
LineEditor [CMake] Use LINK_LIBS instead of target_link_libraries(). 2014-02-26 06:41:29 +00:00
Linker Split GlobalValue into GlobalValue and GlobalObject. 2014-05-13 18:45:48 +00:00
MC Make the split function use StringRef::split. 2014-05-13 19:55:17 +00:00
Object [obj2yaml] Support ELF input format in the obj2yaml tool. 2014-05-14 05:07:47 +00:00
Option Protect the ArgList dtor 2014-04-20 23:59:00 +00:00
ProfileData Fixing a cast-qual warning. getBufferStart() and getBufferEnd() both return a const char *, so casting to non-const was triggering a warning (even though the assignment and usage was always const anyway). 2014-05-01 17:16:24 +00:00
Support MemoryBuffer: don't force mmap when stat fails 2014-05-09 08:57:32 +00:00
TableGen Use a vector of unique_ptrs to fix a memory leak introduced in r208179. 2014-05-08 09:29:28 +00:00
Target ARM-BE: test files for vector argument passing 2014-05-14 16:59:44 +00:00
Transforms [asan] Fix compiler warnings. 2014-05-14 10:56:19 +00:00
CMakeLists.txt ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00
LLVMBuild.txt ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00
Makefile ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00