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8ba0b842a2
llvm-mirror/test/Transforms/GVN
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Chris Lattner 8ba0b842a2 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

llvm-svn: 90048
2009-11-29 01:15:43 +00:00
..
2007-07-25-DominatedLoop.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2007-07-25-InfiniteLoop.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2007-07-25-Loop.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2007-07-25-NestedLoop.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2007-07-25-SinglePredecessor.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2007-07-26-InterlockingLoops.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2007-07-26-NonRedundant.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2007-07-26-PhiErasure.ll switch GVN to use SSAUpdater. Besides removing a lot of complexity 2009-10-10 23:50:30 +00:00
2007-07-30-PredIDom.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2007-07-31-NoDomInherit.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2007-07-31-RedundantPhi.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-02-12-UndefLoad.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-02-13-NewPHI.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-02-24-NonDominatedMemcpy.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-02-26-MemCpySize.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-07-02-Unreachable.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-12-09-SelfRemove.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-12-12-RLE-Crash.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-12-14-rle-reanalyze.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-12-15-CacheVisited.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2009-01-21-SortInvalidation.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2009-01-22-SortInvalidation.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2009-02-17-LoadPRECrash.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2009-03-05-dbg.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2009-03-10-PREOnVoid.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2009-06-17-InvalidPRE.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2009-07-13-MemDepSortFail.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2009-11-12-MemDepMallocBitCast.ll Memory dependence analysis was incorrectly stopping to scan for stores to a pointer at bitcast uses of a malloc call. 2009-10-13 01:42:53 +00:00
basic.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
bitcast-of-call.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
calls-nonlocal.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
calls-readonly.ll Check that GVN performs this transform even if the calls 2009-10-16 12:18:23 +00:00
condprop.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
crash.ll disable value insertion for now, I need to figure out how 2009-11-27 22:50:07 +00:00
dg.exp sabre brings to my attention that the 'tr' suffix is also obsolete 2008-05-20 21:00:03 +00:00
invariant-simple.ll Be more careful about invariance reasoning on "store" queries. Stores still need 2009-10-28 06:30:52 +00:00
lifetime-simple.ll Treat lifetime begin/end markers as allocations/frees respectively for the 2009-10-28 07:05:35 +00:00
load-constant-mem.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
local-pre.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
lpre-call-wrap-2.ll Eliminate uses of %prcontext. 2009-09-05 11:35:16 +00:00
lpre-call-wrap.ll Eliminate uses of %prcontext. 2009-09-05 11:35:16 +00:00
mixed.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
nonescaping-malloc.ll Try to work around grep's "Binary file (standard input) matches" complaints seen 2009-11-20 09:53:25 +00:00
null-aliases-nothing.ll Default-addressspace null pointers don't alias anything. This allows 2009-11-09 19:29:11 +00:00
pre-basic-add.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
pre-load.ll Add a testcase for: 2009-11-29 01:15:43 +00:00
pre-single-pred.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
rle-dominated.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
rle-must-alias.ll I accidentally implemented this :) 2009-11-27 19:56:00 +00:00
rle-no-phi-translate.ll this test is failing, and is expected to. 2009-11-27 06:36:28 +00:00
rle-nonlocal.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
rle-phi-translate.ll Fix phi translation in load PRE to agree with the phi 2009-11-27 06:31:14 +00:00
rle-semidominated.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
rle.ll fix PR5016, a crash I introduced in GVN handing first class 2009-09-21 17:24:04 +00:00