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6502/llvm-6502

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History

David Majnemer 00428878bb InstSimplify: Fix a bug when INT_MIN is in a sdiv

When INT_MIN is the numerator in a sdiv, we would not properly handle
overflow when calculating the bounds of possible values; abs(INT_MIN) is
not a meaningful number.

Instead, check and handle INT_MIN by reasoning that the largest value is
INT_MIN/-2 and the smallest value is INT_MIN.

This fixes PR20199.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212307 91177308-0d34-0410-b5e6-96231b3b80d8

2014-07-04 00:23:39 +00:00

..

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AddDiscriminators

Fix bug 19437 - Only add discriminators for DWARF 4 and above.

2014-04-17 22:33:50 +00:00

ArgumentPromotion

DebugInfo: Keep track of subprograms who's arguments have been promoted.

2014-07-01 21:13:37 +00:00

AtomicExpandLoadLinked/ARM

Atomics: make use of the "cmpxchg weak" instruction.

2014-06-13 16:45:52 +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

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Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +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

Teach the constant folder to look through bitcast constant expressions

2014-05-15 09:56:28 +00:00

CorrelatedValuePropagation

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IR: Change inalloca's grammar a bit

2014-03-09 06:41:58 +00:00

DeadStoreElimination

Update optimization passes to handle inalloca arguments

2014-01-28 02:38:36 +00:00

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When analyzing params/args for readnone/readonly, don't forget to consider that a pointer argument may be passed through a callsite to the return, and that we may need to analyze it. Fixes a bug reported on llvm-dev: http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-May/073098.html

2014-05-30 02:31:27 +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

Allow alias to point to an arbitrary ConstantExpr.

2014-06-03 02:41:57 +00:00

GlobalOpt: Don't swap private for internal linkage

2014-07-01 15:26:50 +00:00

test commit: add a comment line in GVN test file

2014-06-30 07:19:02 +00:00

Add a description to the test from r211433 explaining why it's written that way.

2014-06-22 12:22:04 +00:00

Add new lines to debugging information.

2014-07-03 02:11:49 +00:00

InstCombine: Optimize x/INT_MIN to x==INT_MIN

2014-07-02 06:42:13 +00:00

InstSimplify: Fix a bug when INT_MIN is in a sdiv

2014-07-04 00:23:39 +00:00

Fix most of PR10367.

2014-05-16 19:35:39 +00:00

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

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

Fixed jump threading going to infinite loop.

2014-06-17 14:34:19 +00:00

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[LICM] Don't create more than one copy of an instruction per loop exit block when sinking.

2014-06-25 07:54:58 +00:00

Add LoadCombine pass.

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

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Reduce verbiage of lit.local.cfg files

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

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[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

Rename loop unrolling and loop vectorizer metadata to have a common prefix.

2014-06-25 15:41:00 +00:00

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Add Rpass-missed and Rpass-analysis reports to the loop vectorizer. The remarks give the vector width of vectorized loops and a brief analysis of loops that fail to be vectorized. For example, an analysis will be generated for loops containing control flow that cannot be simplified to a select. The optimization remarks also give the debug location of expressions that cannot be vectorized, for example the location of an unvectorizable call.

2014-06-25 17:50:15 +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

LowerSwitch: track bounding range for the condition tree.

2014-06-16 16:55:20 +00:00

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Treat lifetime.start'd memory like we treat freshly alloca'd memory. Patch by Björn Steinbrink!

2014-03-26 23:45:15 +00:00

Commited patch from Björn Steinbrink:

2014-06-20 19:11:56 +00:00

Reject alias to undefined symbols in the verifier.

2014-03-12 20:15:49 +00:00

Fix use_iterator crash in ObjCArc from r203364

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

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[Reassociate] FileCheckize and cleanup a few testcases. No functional change

2014-06-11 18:28:45 +00:00

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Tolerate unmangled names in sample profiles.

2014-03-18 12:03:12 +00:00

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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

Reduce verbiage of lit.local.cfg files

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

Don't build switch tables for dllimport and TLS variables in GEPs

2014-06-26 00:30:52 +00:00

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

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

Add Support to Recognize and Vectorize NON SIMD instructions in SLPVectorizer.

2014-06-20 04:32:48 +00:00

SROA: Only split loads on byte boundaries

2014-06-17 00:19:35 +00:00

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

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

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Improve 'tail' call marking in TRE. A bootstrap of clang goes from 375k calls marked tail in the IR to 470k, however this improvement does not carry into an improvement of the call/jmp ratio on x86. The most common pattern is a tail call + br to a block with nothing but a 'ret'.

2014-05-05 23:59:03 +00:00

Reduce verbiage of lit.local.cfg files

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