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368f045de1
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Sanjoy Das 368f045de1 [InstCombine] Refactor out OptimizeOverflowCheck. NFCI. 
Summary:
This patch adds an enum `OverflowCheckFlavor` and a function
`OptimizeOverflowCheck`.  This will allow InstCombine to optimize
overflow checks without directly introducing an intermediate call to the
`llvm.$op.with.overflow` instrinsics.

This specific change is a refactoring and does not intend to change
behavior.

Reviewers: majnemer, atrick

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8888

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234388 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-08 04:27:22 +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 IR: Remove MDTupleTypedArrayWrapper::operator MDTuple*() 2015-04-07 16:50:39 +00:00
cmake Disable all link optimizations in a debug build. 2015-04-06 15:04:31 +00:00
docs R600/SI: Initial support for assembler and inline assembly 2015-04-08 01:09:26 +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 Revert "[LoopAccesses] Allow analysis to complete in the presence of uniform stores" 2015-04-08 04:16:55 +00:00
lib [InstCombine] Refactor out OptimizeOverflowCheck. NFCI. 2015-04-08 04:27:22 +00:00
projects
test Revert "[LoopAccesses] Allow analysis to complete in the presence of uniform stores" 2015-04-08 04:16:55 +00:00
tools IR: Stop using DIDescriptor::is*() and auto-casting 2015-04-06 23:18:49 +00:00
unittests IR: Remove MDTupleTypedArrayWrapper::operator MDTuple*() 2015-04-07 16:50:39 +00:00
utils Add boolean to PrintStackTraceOnErrorSignal to disable crash reporting. 2015-04-07 20:43:23 +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

README.txt 

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