Davide Italiano 1e0b73ce8b [GlobalOpt] Remove unreachable blocks before optimizing a function. ...

LLVM's definition of dominance allows instructions that are cyclic
in unreachable blocks, e.g.:

  %pat = select i1 %condition, @global, i16* %pat

because any instruction dominates an instruction in a block that's
not reachable from entry.
So, remove unreachable blocks from the function, because a) there's
no point in analyzing them and b) GlobalOpt should otherwise grow
some more complicated logic to break these cycles.

Differential Revision:  https://reviews.llvm.org/D35028

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307215 91177308-0d34-0410-b5e6-96231b3b80d8

2017-07-05 22:28:28 +00:00

..

Analysis

[DependenceAnalysis] Make sure base objects are the same when comparing GEPs

2017-07-05 21:35:47 +00:00

Assembler

Align definition of DW_OP_plus with DWARF spec [3/3]

2017-06-14 13:14:38 +00:00

Bindings

[LLVM-C] [OCaml] Expose Type::subtypes.

2017-06-05 11:49:52 +00:00

Bitcode

Bitcode: Write the irsymtab to disk.

2017-06-27 23:50:11 +00:00

BugPoint

bugpoint: disabling symbolication of bugpoint-executed programs

2017-06-09 07:29:03 +00:00

CodeGen

Fix libcall expansion creating DAG nodes with invalid type post type legalization.

2017-07-05 22:01:49 +00:00

DebugInfo

[PDB] Add a test that verifies every known type record.

2017-07-05 18:43:25 +00:00

Examples

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ExecutionEngine

[RuntimeDyld, PowerPC] Fix check for external symbols when detecting reloction overflow

2017-05-23 14:51:18 +00:00

Feature

Remove the BBVectorize pass.

2017-06-30 07:09:08 +00:00

FileCheck

[FileCheck] Don't scan past the closing CHECK-DAG for CHECK-NOT inside CHECK-DAG

2017-06-07 12:06:45 +00:00

Instrumentation

fix trivial typos, NFC

2017-07-01 07:12:15 +00:00

Integer

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JitListener

[cmake] Canonicalize CMake booleans to 0/1 for lit interop

2017-01-06 21:33:48 +00:00

LibDriver

[llvm-ar] Make llvm-lib behave more like the MSVC archiver

2017-06-12 19:45:35 +00:00

Linker

[Linker] Remove llc usage from link-arm-and-thumb.ll test case.

2017-06-07 09:59:22 +00:00

LTO

[LTO] Remove values from non-prevailing comdats

2017-06-30 14:03:24 +00:00

MC

[WebAssembly] Fix types for address taken functions

2017-07-05 20:25:08 +00:00

Object

[YAML] - Teach yaml2obj/obj2yaml to work with numeric relocation values.

2017-06-30 10:31:03 +00:00

ObjectYAML

[WebAssembly] Add data size and alignement to linking section

2017-06-27 20:27:59 +00:00

Other

Revert "[lit] Clean output directories before running tests."

2017-06-30 16:05:03 +00:00

SafepointIRVerifier

[SafepointIRVerifier] Add verifier pass for finding GC relocation bugs

2017-07-05 01:16:29 +00:00

SymbolRewriter

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TableGen

[globalisel][tablegen] Finish fixing compile-time regressions by merging the matcher and emitter state machines.

2017-07-05 14:50:18 +00:00

ThinLTO/X86

Bitcode: Write the irsymtab to disk.

2017-06-27 23:50:11 +00:00

tools

[PDB] Add a test that verifies every known type record.

2017-07-05 18:43:25 +00:00

Transforms

[GlobalOpt] Remove unreachable blocks before optimizing a function.

2017-07-05 22:28:28 +00:00

Unit

Revert "[lit] Clean output directories before running tests."

2017-06-30 16:05:03 +00:00

Verifier

[Atomics] Rename and change prototype for atomic memcpy intrinsic

2017-06-16 14:43:59 +00:00

YAMLParser

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.clang-format

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CMakeLists.txt

Rename llvm-pdbdump -> llvm-pdbutil.

2017-06-09 20:46:17 +00:00

lit.cfg

[llvm-pdbdump] Don't fail on PDBs with no ID stream.

2017-06-12 21:34:53 +00:00

lit.site.cfg.in

Introduce the new feature "abi-breaking-checks" to satisfy -reverse-iterate in llvm/test/Transforms/Util/PredicateInfo/

2017-06-07 00:22:52 +00:00

TestRunner.sh

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