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Quentin Colombet b0f8afd43c Fix an over-constrained assertion in MachineFunction::addLiveIn.
The assertion was checking that the virtual register VReg used to represent the
physical register PReg uses the same register class as the one passed to
MachineFunction::addLiveIn.
This is over-constraining because it is sufficient to check that the register
class of VReg (VRegRC) is a subclass of the register class of PReg (PRegRC) and
that VRegRC contains PReg.
Indeed, if VReg gets constrained because of some operation constraints
between two calls of MachineFunction::addLiveIn, the original assertion
cannot match.

This fixes <rdar://problem/15633429>. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197097 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-12 00:15:47 +00:00
autoconf Update to reflect the next release. 2013-11-20 10:10:50 +00:00
bindings [OCaml] Add a slash accidentally omitted from Makefile 2013-11-28 09:03:28 +00:00
cmake [CMake] add_lit_target: Let lit.site.cfg free from "--param build_mode" on single configuration builds, like autoconf build. 2013-12-04 11:15:17 +00:00
docs Use Field Lists for the types' "Overview", "Syntax" and "Examples". 2013-12-10 14:53:22 +00:00
examples [CMake] Update LLVM_LINK_COMPONENTS for each CMakeLists.txt. 2013-12-10 11:13:32 +00:00
include Expose FileCheck's AddFixedStringToRegEx as Regex::escape 2013-12-12 00:06:41 +00:00
lib Fix an over-constrained assertion in MachineFunction::addLiveIn. 2013-12-12 00:15:47 +00:00
projects Revert "Revert "Windows: Add support for unicode command lines"" 2013-10-07 01:00:07 +00:00
test Fix an over-constrained assertion in MachineFunction::addLiveIn. 2013-12-12 00:15:47 +00:00
tools Fix gcc warnings. 2013-12-10 18:55:37 +00:00
unittests Darwin: update default iOS version to 5.0 2013-12-10 11:53:16 +00:00
utils Expose FileCheck's AddFixedStringToRegEx as Regex::escape 2013-12-12 00:06:41 +00:00
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Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
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Please see the documentation provided in docs/ for further
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