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Rong Xu e72670cb54 [PGO] Fix PGO use ICE when there are unreachable BBs
For -O0 there might be unreachable BBs, which breaks the assumption that all the
BBs have an auxiliary data structure.  In this patch, we add another interface
called findBBInfo() so that a nullptr can be returned for the unreachable BBs
(and the callers can ignore those BBs).

This fixes the bug reported
https://llvm.org/bugs/show_bug.cgi?id=31209

Differential Revision: https://reviews.llvm.org/D27280



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288528 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-02 19:10:29 +00:00
bindings
cmake
docs IR: Move NumElements field from {Array,Vector}Type to SequentialType. 2016-12-02 03:20:58 +00:00
examples
include [SystemZ] Support floating-point control register instructions 2016-12-02 18:21:53 +00:00
lib [PGO] Fix PGO use ICE when there are unreachable BBs 2016-12-02 19:10:29 +00:00
projects
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test [PGO] Fix PGO use ICE when there are unreachable BBs 2016-12-02 19:10:29 +00:00
tools
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utils
.arcconfig
.clang-format
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.gitignore
CMakeLists.txt
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of IR Linker as discussed on llvm-dev 2016-12-02 14:06:53 +00:00
configure
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt
RELEASE_TESTERS.TXT

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