Michael Gottesman a67a20c95f Remove an optimization where we were changing an objc_autorelease into an objc_autoreleaseReturnValue. ...

The semantics of ARC implies that a pointer passed into an objc_autorelease
must live until some point (potentially down the stack) where an
autorelease pool is popped. On the other hand, an
objc_autoreleaseReturnValue just signifies that the object must live
until the end of the given function at least.

Thus objc_autorelease is stronger than objc_autoreleaseReturnValue in
terms of the semantics of ARC* implying that performing the given
strength reduction without any knowledge of how this relates to
the autorelease pool pop that is further up the stack violates the
semantics of ARC.

*Even though objc_autoreleaseReturnValue if you know that no RV
optimization will occur is more computationally expensive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178612 91177308-0d34-0410-b5e6-96231b3b80d8

2013-04-03 02:57:24 +00:00

..

ADCE

Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.

2012-02-16 06:28:33 +00:00

ArgumentPromotion

Update some EH tests that were violating the new EH model.

2013-03-21 18:30:10 +00:00

BBVectorize

Modify the LLVM assembly output so that it uses references to represent function attributes.

2013-02-20 07:21:42 +00:00

BlockPlacement

Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.

2012-02-16 06:28:33 +00:00

BranchFolding

…

CodeExtractor

Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.

2012-02-16 06:28:33 +00:00

CodeGenPrepare

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2012-12-30 01:28:40 +00:00

ConstantMerge

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2012-12-30 01:28:40 +00:00

ConstProp

Remove this testcase until I can figure out how to properly conditionalize it.

2013-02-07 07:01:54 +00:00

CorrelatedValuePropagation

CVP: If we have a PHI with an incoming select, try to skip the select.

2013-02-24 15:34:43 +00:00

DeadArgElim

Revert "Adding DIImportedModules to DIScopes."

2013-03-28 02:44:59 +00:00

DeadStoreElimination

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2013-01-01 13:57:25 +00:00

EarlyCSE

Initially forgotten-to-svn-add test case for r177279.

2013-03-18 12:07:24 +00:00

FunctionAttrs

Move library call prototype attribute inference to functionattrs

2013-03-21 00:55:59 +00:00

GCOVProfiling

Revert "Adding DIImportedModules to DIScopes."

2013-03-28 02:44:59 +00:00

GlobalDCE

Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.

2012-02-16 06:28:33 +00:00

GlobalOpt

Use a worklist to avoid a sneaky iterator invalidation.

2013-04-02 08:16:45 +00:00

GVN

Revert the test moves from 176733. Use "REQUIRES: asserts" instead.

2013-03-12 16:27:52 +00:00

IndVarSimplify

IndVarSimplify: do not recompute an IV value outside of the loop if :

2013-03-19 20:00:22 +00:00

Inline

Update test. There may be multiple catches, but those will be cleaned up.

2013-03-22 20:36:39 +00:00

InstCombine

Remove -O3.

2013-03-28 19:34:14 +00:00

InstSimplify

Check whether a pointer is non-null (isKnownNonNull) in isKnownNonZero.

2013-03-18 21:23:25 +00:00

Internalize

Change the internalize pass to internalize all symbols when given an empty

2012-10-26 18:47:48 +00:00

IPConstantProp

Use references to attribute groups on the call/invoke instructions.

2013-02-22 09:09:42 +00:00

JumpThreading

Use references to attribute groups on the call/invoke instructions.

2013-02-22 09:09:42 +00:00

LCSSA

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

LICM

Revert the test moves from 176733. Use "REQUIRES: asserts" instead.

2013-03-12 16:27:52 +00:00

LoopDeletion

Modify the LLVM assembly output so that it uses references to represent function attributes.

2013-02-20 07:21:42 +00:00

LoopIdiom

PR14904: Segmentation fault running pass 'Recognize loop idioms'

2013-01-10 23:32:01 +00:00

LoopRotate

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2012-12-30 02:33:22 +00:00

LoopSimplify

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

LoopStrengthReduce

LSR IVChain improvement.

2013-02-09 01:11:01 +00:00

LoopUnroll

Revert the test moves from 176733. Use "REQUIRES: asserts" instead.

2013-03-12 16:27:52 +00:00

LoopUnswitch

Revert the test moves from 176733. Use "REQUIRES: asserts" instead.

2013-03-12 16:27:52 +00:00

LoopVectorize

X86TTI: Add accurate costs for itofp operations, based on the actual instruction counts.

2013-04-01 10:23:49 +00:00

LowerAtomic

Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.

2012-02-16 06:28:33 +00:00

LowerExpectIntrinsic

Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.

2012-02-16 06:28:33 +00:00

LowerInvoke

Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.

2012-02-16 06:28:33 +00:00

LowerSwitch

PR1255 related changes (case ranges):

2012-05-24 09:33:20 +00:00

Mem2Reg

Revert "Adding DIImportedModules to DIScopes."

2013-03-28 02:44:59 +00:00

MemCpyOpt

Use references to attribute groups on the call/invoke instructions.

2013-02-22 09:09:42 +00:00

MergeFunc

Revert the test moves from 176733. Use "REQUIRES: asserts" instead.

2013-03-12 16:27:52 +00:00

MetaRenamer

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2013-01-01 13:57:25 +00:00

ObjCARC

Remove an optimization where we were changing an objc_autorelease into an objc_autoreleaseReturnValue.

2013-04-03 02:57:24 +00:00

PhaseOrdering

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2012-12-30 01:28:40 +00:00

PruneEH

The normal edge of an invoke is not allowed to branch to a block with a

2012-08-10 20:55:20 +00:00

Reassociate

Correct assertion condition

2013-04-01 18:13:05 +00:00

Reg2Mem

Make sure we don't emit instructions before a landingpad instruction.

2013-01-08 10:51:32 +00:00

ScalarRepl

Revert "Adding DIImportedModules to DIScopes."

2013-03-28 02:44:59 +00:00

SCCP

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2013-01-01 13:57:25 +00:00

SimplifyCFG

Don't remove a landing pad if the invoke requires a table entry.

2013-03-11 20:53:00 +00:00

SimplifyLibCalls

Move library call prototype attribute inference to functionattrs

2013-03-21 00:55:59 +00:00

Sink

Enhance the sinking code to handle diamond patterns. Patch by

2012-05-31 08:09:49 +00:00

SROA

PR14972: SROA vs. GVN exposed a really bad bug in SROA.

2013-03-14 11:32:24 +00:00

StripSymbols

Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID

2013-01-01 13:57:25 +00:00

TailCallElim

Revert the test moves from 176733. Use "REQUIRES: asserts" instead.

2013-03-12 16:27:52 +00:00

TailDup

Revert the test moves from 176733. Use "REQUIRES: asserts" instead.

2013-03-12 16:27:52 +00:00