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Mehdi Amini 4beea66232 [IPRA] Set callee saved registers to none for local function when IPRA is enabled. 
IPRA try to optimize caller saved register by propagating register
usage information from callee to caller so it is beneficial to have
caller saved registers compare to callee saved registers when IPRA
is enabled. Please find more detailed explanation here
https://groups.google.com/d/msg/llvm-dev/XRzGhJ9wtZg/tjAJqb0eEgAJ.

This change makes local function do not have any callee preserved
register when IPRA is enabled. A simple test case is also added to
verify this change.

Patch by Vivek Pandya <vivekvpandya@gmail.com>

Differential Revision: http://reviews.llvm.org/D21561

llvm-svn: 275347
 		2016-07-13 23:39:34 +00:00
clang Add XRay flags to Clang. We implement two flags to control the XRay behaviour: 2016-07-13 22:32:15 +00:00
clang-tools-extra [include-fixer] Implement adding missing namespace qualifiers in vim integration. 2016-07-13 16:43:54 +00:00
compiler-rt [RT-ARM] Syntax unified for aeabi_mem* functions 2016-07-13 14:01:15 +00:00
debuginfo-tests New round of fixes for "Always compile debuginfo-tests for the host triple" 2014-10-18 23:47:59 +00:00
libclc configure: Remove device specific defines 2016-06-17 20:30:50 +00:00
libcxx Constuct a sentry object in istream::readsome, and handle failures appropriately. Fixes PR#28217. 2016-07-13 16:58:48 +00:00
libcxxabi Fix [libcxxabi] Fix warning about uninitialized const member. 2016-06-15 19:59:16 +00:00
libunwind [PATCH] [libunwind][ehabi] Use early returns where possible. 2016-07-08 12:13:31 +00:00
lld Update the readme text. 2016-07-13 19:14:25 +00:00
lldb Added test for setting breakpoints by basename and fullname. 2016-07-13 22:38:54 +00:00
llgo [llgo] llgoi: separate evaluation from printing 2016-04-25 01:18:20 +00:00
llvm [IPRA] Set callee saved registers to none for local function when IPRA is enabled. 2016-07-13 23:39:34 +00:00
openmp http://reviews.llvm.org/D22134: Implementation of OpenMP 4.5 nonmonotonic schedule modifier 2016-07-11 10:44:57 +00:00
parallel-libs Change mailing list names in README 2016-06-24 22:50:09 +00:00
polly PPCGCodegen: Support compilation without GPU support 2016-07-13 19:52:24 +00:00