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78c6d4fa9c
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Chris Lattner 78c6d4fa9c Add a testcase for: 
void test(int N, double* G) {
  long j;
  for (j = 1; j < N - 1; j++)
      G[j] = G[j] + G[j+1] + G[j-1];
}

which we now compile to one load in the loop:

LBB1_2:                                                     ## %bb
	movsd	16(%rsi,%rax,8), %xmm2
	incq	%rdx
	addsd	%xmm2, %xmm1
	addsd	%xmm1, %xmm0
	movapd	%xmm2, %xmm1
	movsd	%xmm0, 8(%rsi,%rax,8)
	incq	%rax
	cmpq	%rcx, %rax
	jne	LBB1_2

instead of:

LBB1_2:                                                     ## %bb
	movsd	8(%rsi,%rax,8), %xmm0
	addsd	16(%rsi,%rax,8), %xmm0
	addsd	(%rsi,%rax,8), %xmm0
	movsd	%xmm0, 8(%rsi,%rax,8)
	incq	%rax
	cmpq	%rcx, %rax
	jne	LBB1_2



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90048 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-29 01:15:43 +00:00
autoconf Add CMake and configure logic to create llvm/Config/Disassemblers.defs. 2009-11-25 04:30:13 +00:00
bindings Expose the rest of the attribute settings. 2009-09-28 04:42:47 +00:00
cmake Add the rest of the build system logic for optional target disassemblers 2009-11-25 04:46:58 +00:00
docs Vector types are no longer required to have a power-of-two length. 2009-11-27 13:38:03 +00:00
examples Re-commit r86077 now that r86290 fixes the 179.art and 175.vpr ARM regressions. 2009-11-07 00:16:28 +00:00
include Enhance InsertPHITranslatedPointer to be able to return a list of newly 2009-11-28 15:39:14 +00:00
lib Implement PR5634. 2009-11-29 00:51:17 +00:00
projects Move DataTypes.h to include/llvm/System, update all users. This breaks the last 2009-10-26 01:35:46 +00:00
runtime OptimalEdgeProfiling: Creation of profiles. 2009-09-01 19:03:44 +00:00
test Add a testcase for: 2009-11-29 01:15:43 +00:00
tools Rollback changes r89516: Added two SubtargetFeatures::AddFeatures methods, which accept a comma-separated string or already parsed command line parameters as input, and some code re-factoring to use these new methods. 2009-11-25 22:44:18 +00:00
unittests Oops. Re-disable JITTest.NoStubs on ARM and PPC since they still use stubs to 2009-11-24 02:11:14 +00:00
utils Sketch TableGen disassembler emitter, based on patch by Sean Callanan. 2009-11-25 02:13:23 +00:00
website
Xcode Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
build-for-llvm-top.sh
CMakeLists.txt Add CMake and configure logic to create llvm/Config/Disassemblers.defs. 2009-11-25 04:30:13 +00:00
configure Regenerate configure 2009-11-25 04:37:28 +00:00
CREDITS.TXT Add myself to the blame list. 2009-08-20 15:20:15 +00:00
LICENSE.TXT Add regular expression matching support, based on OpenBSD regexec()/regcomp() 2009-08-30 08:24:09 +00:00
llvm.spec.in
Makefile Add the rest of the build system logic for optional target disassemblers 2009-11-25 04:46:58 +00:00
Makefile.common
Makefile.config.in Add configure options for specifying where to look for libstdc++. 2009-11-16 19:46:55 +00:00
Makefile.rules Add the rest of the build system logic for optional target disassemblers 2009-11-25 04:46:58 +00:00
ModuleInfo.txt
README.txt First test commit 2009-10-05 22:29:11 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the HTML documentation provided in docs/index.html for further
assistance with LLVM.