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History

Sanjay Patel fbe1366788 Preserve IR flags (nsw, nuw, exact, fast-math) in SLP vectorizer (PR20802).

The SLP vectorizer should propagate IR-level optimization hints/flags (nsw, nuw, exact, fast-math)
when converting scalar instructions into vectors. But this isn't a simple copy - we need to take
the intersection (the logical 'and') of the sets of flags on the scalars.

The solution is further complicated because we can have non-uniform (non-SIMD) vector ops after:
http://reviews.llvm.org/D4015
http://llvm.org/viewvc/llvm-project?view=revision&revision=211339

The vast majority of changed files are existing tests that were not propagating IR flags, but I've
also added a new test file for focused testing of IR flag possibilities.

Differential Revision: http://reviews.llvm.org/D5172

llvm-svn: 217051

2014-09-03 17:40:30 +00:00

..

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

AddDiscriminators

Use DILexicalBlockFile, rather than DILexicalBlock, to track discriminator changes to ensure discriminator changes don't introduce new DWARF DW_TAG_lexical_blocks.

2014-08-21 22:45:21 +00:00

ArgumentPromotion

Don't promote byval pointer arguments when padding matters

2014-08-28 22:42:00 +00:00

AtomicExpand/ARM

Rename AtomicExpandLoadLinked into AtomicExpand

2014-08-21 21:50:01 +00:00

Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +00:00

Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call

2014-02-13 14:44:26 +00:00

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

CodeGenPrep: fall back to MVT::Other if instruction's type isn't an EVT.

2014-07-29 10:20:22 +00:00

ConstantHoisting

[ConstantHoisting][X86] Improve the cost model for small constants with large types (i64 and above).

2014-06-10 00:32:29 +00:00

Remove the linker_private and linker_private_weak linkages.

2014-03-13 23:18:37 +00:00

Fix a bug around truncating vector in const prop.

2014-08-21 02:12:35 +00:00

CorrelatedValuePropagation

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

musttail: Don't eliminate varargs packs if there is a forwarding call

2014-08-26 00:59:51 +00:00

DeadStoreElimination

Relax the constraint more in MemoryDependencyAnalysis.cpp

2014-08-29 20:32:58 +00:00

Use right pointer type in DebugIR

2013-09-27 22:26:25 +00:00

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

[optnone] Make the optnone attribute effective at suppressing function

2014-08-13 10:49:33 +00:00

Fix coverage for files with global constructors again. Adds a testcase to the commit from r206671, as requested by David Blaikie.

2014-06-05 04:31:43 +00:00

Remove dangling initializers in GlobalDCE

2014-08-25 17:51:14 +00:00

GlobalOpt: Optimize in the face of insertvalue/extractvalue

2014-08-08 05:50:43 +00:00

Relax the constraint more in MemoryDependencyAnalysis.cpp

2014-08-29 20:32:58 +00:00

[INDVARS] Extend using of widening of induction variables for the cases of "sub nsw" and "mul nsw" instructions.

2014-08-21 08:25:45 +00:00

Feed AA to the inliner and use AA->getModRefBehavior in AddAliasScopeMetadata

2014-09-01 09:01:39 +00:00

Revert "Revert two GEP-related InstCombine commits"

2014-09-01 21:10:02 +00:00

MergedLoadStoreMotion pass

2014-07-18 19:13:09 +00:00

Revert: [APFloat] Fixed a bug in method 'fusedMultiplyAdd'.

2014-09-02 17:22:49 +00:00

Use "weak alias" instead of "alias weak"

2014-07-30 22:51:54 +00:00

No need for those tests to go thru llvm-as and/or llvm-dis.

2014-05-27 22:03:28 +00:00

In LVI(Lazy Value Info), originally value on a BB can only be caculated once,

2014-08-11 05:02:04 +00:00

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

LICM: Don't crash when an instruction is used by an unreachable BB

2014-09-02 16:22:00 +00:00

Add LoadCombine pass.

2014-05-29 01:55:07 +00:00

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

R600: Implement TTI:getPopcntSupport

2014-07-18 06:07:13 +00:00

Fix loop rerolling pass failure with non-consant loop lower bound

2014-01-03 17:20:01 +00:00

[LPM] Fix PR18643, another scary place where loop transforms failed to

2014-01-29 13:16:53 +00:00

No need for those tests to go thru llvm-as and/or llvm-dis.

2014-05-27 22:03:28 +00:00

LoopStrengthReduce

Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +00:00

After unrolling a loop with llvm.loop.unroll.count metadata (unroll factor

2014-07-24 22:36:40 +00:00

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

Add a convenience method to copy wrapping, exact, and fast-math flags (NFC).

2014-09-01 18:44:57 +00:00

IR: add "cmpxchg weak" variant to support permitted failure.

2014-06-13 14:24:07 +00:00

LowerExpectIntrinsic

Lower llvm.expect intrinsic correctly for i1

2014-02-02 22:43:55 +00:00

Remove LowerInvoke's obsolete "-enable-correct-eh-support" option

2014-03-20 19:54:47 +00:00

Added test for commit r212802 that was missing

2014-07-11 10:36:00 +00:00

Debug Info: update testing cases to specify the debug info version number.

2013-11-22 21:49:45 +00:00

Fix a really bad miscompile introduced in r216865 - the else-if logic

2014-09-01 10:09:18 +00:00

Fix crash when looking up the addrspace of GEPs with vector types

2014-09-02 18:47:54 +00:00

Use "weak alias" instead of "alias weak"

2014-07-30 22:51:54 +00:00

Fix use_iterator crash in ObjCArc from r203364

2014-03-18 22:32:43 +00:00

PartiallyInlineLibCalls

PartiallyInlineLibCalls: Check sqrt result type before transforming it.

2014-08-01 23:21:21 +00:00

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

Reassociate x + -0.1234 * y into x - 0.1234 * y

2014-08-21 10:45:30 +00:00

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

Use DILexicalBlockFile, rather than DILexicalBlock, to track discriminator changes to ensure discriminator changes don't introduce new DWARF DW_TAG_lexical_blocks.

2014-08-21 22:45:21 +00:00

Fix Scalarizer insertion point when replacing PHIs with insertelements

2013-12-23 14:51:56 +00:00

Fix PR18800. llvm intrinsic memcpy takes 5 arguments void @llvm.memcpy.p0i8.p0i8.i32(i8* <dest>, i8* <src>, i32 <len>, i32 <align>, i1 <isvolatile>).The test case incorrectly uses the old format resulting in isVolatile function in MemIntrinsic to crash during SROA transformation.Modified the test case to use correct signature of memcpy and memset.

2014-03-13 04:50:29 +00:00

SCCP: update for cmpxchg returning { iN, i1 } now.

2014-06-13 14:54:09 +00:00

SeparateConstOffsetFromGEP/NVPTX

Partially revert r210444 due to performance regression

2014-07-16 23:25:00 +00:00

Make fabs safe to speculatively execute

2014-08-29 16:01:17 +00:00

Sink: Don't sink static allocas from the entry block

2014-03-21 15:51:51 +00:00

Preserve IR flags (nsw, nuw, exact, fast-math) in SLP vectorizer (PR20802).

2014-09-03 17:40:30 +00:00

SROA: Don't insert instructions before a PHI

2014-09-01 21:20:14 +00:00

Add a debug info code generation level to the compile unit metadata

2014-02-27 01:24:56 +00:00

StructurizeCFG: Fix verification failure with some loops.

2013-11-22 19:24:39 +00:00

We may visit a call that uses an alloca multiple times in callUsesLocalStack, sometimes with IsNocapture true and sometimes with IsNocapture false. We accidentally skipped work we needed to do in the IsNocapture=false case if we were called with IsNocapture=true the first time. Fixes PR20405!

2014-07-23 06:24:49 +00:00

Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +00:00

utils: Fix segfault in flattencfg

2014-08-13 20:31:53 +00:00