Roman Lebedev d09f140cd1 [InstSimplify] Fix addo/subo undef folds (PR42209) ...

Fix folds of addo and subo with an undef operand to be:

`@llvm.{u,s}{add,sub}.with.overflow` all fold to `{ undef, false }`,
 as per LLVM undef rules.
Same for commuted variants.

Based on the original version of the patch by @nikic.

Fixes [[ https://bugs.llvm.org/show_bug.cgi?id=42209 | PR42209 ]]

Differential Revision: https://reviews.llvm.org/D63065

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363522 91177308-0d34-0410-b5e6-96231b3b80d8

2019-06-16 20:39:45 +00:00

..

Analysis

[SCEV] Use unsigned/signed intersection type in SCEV

2019-06-15 09:15:52 +00:00

Assembler

Change semantics of fadd/fmul vector reductions.

2019-06-11 08:22:10 +00:00

Bindings

Fixed the Bindings/OCaml/core.ml test

2019-05-20 14:06:21 +00:00

Bitcode

Change semantics of fadd/fmul vector reductions.

2019-06-11 08:22:10 +00:00

BugPoint

[Bugpoint] Only run plugins tests if plugins are enabled

2019-05-17 06:41:04 +00:00

CodeGen

AMDGPU: Prepare for explicit absolute relocations in code generation

2019-06-16 17:43:37 +00:00

DebugInfo

[MBP] Move a latch block with conditional exit and multi predecessors to top of loop

2019-06-14 23:08:59 +00:00

Demangle

llvm-undname: Correctly demangle vararg parameters

2019-06-04 19:10:08 +00:00

Examples

Fix a think-o in the disable-kaleidoscope-tests-on-windows predicate of r354646.

2019-02-22 03:56:50 +00:00

ExecutionEngine

[ExecutionEngine] Add UnaryOperator visitor to the interpreter

2019-06-10 14:38:48 +00:00

Feature

[Bugpoint] Only run plugins tests if plugins are enabled

2019-05-17 06:41:04 +00:00

FileCheck

FileCheck [6/12]: Introduce numeric variable definition

2019-06-06 13:21:06 +00:00

Instrumentation

[MSAN] Add unary FNeg visitor to the MemorySanitizer

2019-06-05 22:37:05 +00:00

Integer

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JitListener

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Linker

Reapply: IR: add optional type to 'byval' function parameters

2019-05-30 18:48:23 +00:00

LTO

[ThinLTO]LTO]Legacy] Fix dependent libraries support by adding querying of the IRSymtab

2019-06-12 11:07:56 +00:00

MachineVerifier

[GlobalISel] Add a G_BRJT opcode.

2019-06-14 17:55:48 +00:00

MC

[ARM] Add MVE horizontal accumulation instructions

2019-06-14 14:31:13 +00:00

Object

[llvm-readobj] Don't abort printing of dynamic table if string reference is invalid

2019-06-14 12:02:01 +00:00

ObjectYAML

[llvm-readobj] Change -long-option to --long-option in tests. NFC

2019-05-01 05:27:20 +00:00

Other

[Attributor] Pass infrastructure and fixpoint framework

2019-06-05 03:02:24 +00:00

SafepointIRVerifier

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Support

[CommandLine] Change help output to prefix long options with -- instead of -. NFC . Part 3 of 5

2019-05-03 17:47:29 +00:00

SymbolRewriter

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TableGen

TableGen: Handle nontrivial foreach range bounds

2019-05-22 21:28:20 +00:00

ThinLTO/X86

[ThinLTO] Use original alias visibility when importing

2019-05-29 16:50:46 +00:00

tools

[NFC][MCA][X86] Add one more 'clear super register' pattern - movss/movsd load clears high XMM bits

2019-06-15 16:12:13 +00:00

Transforms

[InstSimplify] Fix addo/subo undef folds (PR42209)

2019-06-16 20:39:45 +00:00

Unit

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Verifier

[AMDGPU] gfx1010 wave32 icmp/fcmp intrinsic changes for wave32

2019-06-13 23:47:36 +00:00

YAMLParser

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.clang-format

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CMakeLists.txt

[tools] Introduce llvm-lipo

2019-05-28 23:22:12 +00:00

lit.cfg.py

[Bugpoint] Only run plugins tests if plugins are enabled

2019-05-17 06:41:04 +00:00

lit.site.cfg.py.in

[Bugpoint] Only run plugins tests if plugins are enabled

2019-05-17 06:41:04 +00:00

TestRunner.sh

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