Benjamin Kramer b5e584392b ComputeMaskedBits: Make knownzero computation more aggressive for ctlz with undef zero. ...

unsigned foo(unsigned x) { return 31 - __builtin_clz(x); }
now compiles into a single "bsrl" instruction on x86.

llvm-svn: 147255

2011-12-24 17:31:46 +00:00

..

ADCE

Try to eliminate the use of the 'unwind' instruction.

2011-09-02 22:41:11 +00:00

ArgumentPromotion

fix PR8932, a case where arg promotion could infinitely promote.

2011-01-16 08:09:24 +00:00

BlockPlacement

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BranchFolding

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CodeExtractor

Update this test to the new EH model.

2011-09-20 22:29:43 +00:00

CodeGenPrepare

Roll r127459 back in:

2011-03-11 21:52:04 +00:00

ConstantMerge

Teach the ConstantMerge pass about alignment. Fixes PR10514!

2011-07-27 19:47:34 +00:00

ConstProp

Manually upgrade the test suite to specify the flag to cttz and ctlz.

2011-12-12 11:59:10 +00:00

CorrelatedValuePropagation

Test for lazy value info's ability to prove the absense of NULLs in pointers.

2011-01-16 21:57:20 +00:00

DeadArgElim

Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.

2011-11-27 06:54:59 +00:00

DeadStoreElimination

Fix infinite loop in DSE when deleting a free in a reachable loop that's also

2011-12-08 22:36:35 +00:00

EarlyCSE

Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.

2011-11-27 06:54:59 +00:00

FunctionAttrs

Move this test from date-name to feature-name, and port it to FileCheck.

2011-12-23 18:41:31 +00:00

GlobalDCE

remove a test that is using old-style llvm.dbg intrinsics, apparently only

2011-11-27 18:13:47 +00:00

GlobalOpt

remove autoupgrade support for old forms of llvm.prefetch and the old

2011-11-27 07:42:04 +00:00

GVN

Fix crasher in GVN due to my recent capture tracking changes.

2011-11-21 19:42:56 +00:00

IndVarSimplify

Reenable this IndVars unit test.

2011-11-29 00:52:04 +00:00

Inline

Allow inlining of functions with returns_twice calls, if they have the

2011-12-18 20:35:43 +00:00

InstCombine

ComputeMaskedBits: Make knownzero computation more aggressive for ctlz with undef zero.

2011-12-24 17:31:46 +00:00

InstSimplify

Add support for vectors of pointers.

2011-12-05 06:29:09 +00:00

Internalize

Add test for r127138.

2011-03-07 21:28:14 +00:00

IPConstantProp

Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.

2011-11-27 06:54:59 +00:00

JumpThreading

Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.

2011-11-27 06:54:59 +00:00

LCSSA

Try to eliminate the use of the 'unwind' instruction.

2011-09-02 22:41:11 +00:00

LICM

Move Instruction::isSafeToSpeculativelyExecute out of VMCore and

2011-12-14 23:49:11 +00:00

LoopDeletion

Remove the old tail duplication pass. It is not used and is unable to update

2011-08-30 23:03:45 +00:00

LoopIdiom

Stop emitting instructions with the name "tmp" they eat up memory and have to be uniqued, without any benefit.

2011-09-27 20:39:19 +00:00

LoopRotate

remove asmparser support for the old getresult instruction, which has been subsumed by extractvalue.

2011-06-17 06:57:15 +00:00

LoopSimplify

Make loop preheader insertion in LoopSimplify handle the case where the loop header is a landing pad correctly (by splitting the landingpad out of the loop header). Make some adjustments to the rest of LoopSimplify to make it clear that the rest of LoopSimplify isn't making bad assumptions about the presence of landing pads. PR11575.

2011-12-15 00:50:34 +00:00

LoopStrengthReduce

Unit test for r146950: LSR postinc expansion, PR11571.

2011-12-20 01:43:20 +00:00

LoopUnroll

Add -unroll-runtime for unrolling loops with run-time trip counts.

2011-12-09 06:19:40 +00:00

LoopUnswitch

Reinstate r146578; it doesn't appear to be the cause of some recent execution-

2011-12-22 21:06:36 +00:00

LowerAtomic

Convert more tests over to the new atomic instructions.

2011-09-26 20:27:49 +00:00

LowerExpectIntrinsic

Introduce "expect" intrinsic instructions.

2011-07-06 18:22:43 +00:00

LowerInvoke

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LowerSwitch

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Mem2Reg

Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.

2011-11-27 06:54:59 +00:00

MemCpyOpt

Probably not a good idea to convert a single vector load into a memcpy. We

2011-12-06 00:19:08 +00:00

MergeFunc

Convert to the new EH model.

2011-11-08 00:23:01 +00:00

ObjCARC

It turns out that clang does use pointer-to-function types to

2011-12-14 19:10:53 +00:00

PhaseOrdering

Add file.

2011-08-19 21:21:20 +00:00

PruneEH

Update more tests to the new EH scheme.

2011-08-31 21:04:11 +00:00

Reassociate

Remove empty test.

2011-08-02 02:47:45 +00:00

ScalarRepl

Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.

2011-11-27 06:54:59 +00:00

SCCP

Manually upgrade the test suite to specify the flag to cttz and ctlz.

2011-12-12 11:59:10 +00:00

SimplifyCFG

Make some intrinsics safe to speculatively execute.

2011-12-21 05:52:02 +00:00

SimplifyLibCalls

Give string constants generated by IRBuilder private linkage.

2011-12-22 14:22:14 +00:00

Sink

Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.

2011-11-27 06:54:59 +00:00

StripSymbols

fix PR10286, a problem with the .ll printer handling block addresses that are out-of-scope.

2011-08-03 06:15:41 +00:00

TailCallElim

Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.

2011-11-27 06:54:59 +00:00

TailDup

Remove the old tail duplication pass. It is not used and is unable to update

2011-08-30 23:03:45 +00:00