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cb148c8541
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Philip Reames cb148c8541 [RewriteStatepointsForGC] Limited support for vectors of pointers 
This patch adds limited support for inserting explicit relocations when there's a vector of pointers live over the statepoint. This doesn't handle the case where the vector contains a mix of base and non-base pointers; that's future work.

The current implementation just scalarizes the vector over the gc.statepoint before doing the explicit rewrite. An alternate approach would be to plumb the vector all the way though the backend lowering, but doing that appears challenging. In particular, the size of the indirect spill slot is currently assumed to be sizeof(pointer) throughout the backend.

In practice, this is enough to allow running the SLP and Loop vectorizers before RewriteStatepointsForGC.

Differential Revision: http://reviews.llvm.org/D8671



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234647 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-10 21:48:25 +00:00
autoconf Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310. 2015-04-01 11:46:15 +00:00
bindings Go bindings: make various DIBuilder arguments optional. 2015-04-08 20:18:57 +00:00
cmake Disable all link optimizations in a debug build. 2015-04-06 15:04:31 +00:00
docs [lib/Fuzzer] Section: How good is my fuzzer? 2015-04-10 06:32:29 +00:00
examples llvm/examples/BrainF: Give an explicit pointee type to ConstantExpr::getGetElementPtr(ty...), according to r233938. 2015-04-02 22:44:00 +00:00
include [InstCombine][CodeGenPrep] Create llvm.uadd.with.overflow in CGP. 2015-04-10 21:07:09 +00:00
lib [RewriteStatepointsForGC] Limited support for vectors of pointers 2015-04-10 21:48:25 +00:00
projects Reverse the order libc++ and libc++abi are added in CMake. 2015-03-04 01:16:43 +00:00
test [RewriteStatepointsForGC] Limited support for vectors of pointers 2015-04-10 21:48:25 +00:00
tools Simplify use of formatted_raw_ostream. 2015-04-09 21:06:08 +00:00
unittests IR: Remove MDTupleTypedArrayWrapper::operator MDTuple*() 2015-04-07 16:50:39 +00:00
utils Reduce dyn_cast<> to isa<> or cast<> where possible. 2015-04-10 11:24:51 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore Ignore compile_commands.json only at the root of the tree. 2015-03-26 18:55:42 +00:00
CMakeLists.txt Enable W4 warnings by default for MSVC builds 2015-04-07 19:01:01 +00:00
CODE_OWNERS.TXT Tom is also responsible for the 3.6 branch. 2015-03-16 18:15:27 +00:00
configure Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310. 2015-04-01 11:46:15 +00:00
CREDITS.TXT
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310. 2015-04-01 11:46:15 +00:00
Makefile.rules
README.txt Revert test commit at revision 233535. 2015-03-30 12:39:03 +00:00

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