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Swaroop Sridhar bb3883dfba Statepoint: Fix handling of Far Immediate calls 
gc.statepoint intrinsics with a far immediate call target 
were lowered incorrectly as pc-rel32 calls.

This change fixes the problem, and generates an indirect call 
via a scratch register.

For example: 

Intrinsic:
  %safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* inttoptr (i64 140727162896504 to void ()*), i32 0, i32 0, i32 0, i32 0)

Old Incorrect Lowering:
  callq 140727162896504

New Correct Lowering:
  movabsq $140727162896504, %rax 
  callq *%rax

In lowerCallFromStatepoint(), the callee-target was modified and 
represented as a "TargetConstant" node, rather than a "Constant" node.
Undoing this modification enabled LowerCall() to generate the 
correct CALL instruction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239114 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-04 23:03:21 +00:00
autoconf [omp] Actually provide a default OpenMP runtime -- libgomp for now. 2015-05-28 02:17:15 +00:00
bindings IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
cmake [CMake] Revert commits r238740/r238741 for embedding Windows version info. 2015-06-01 13:40:14 +00:00
docs [docs] Document "LGTM" in the lexicon. 2015-06-04 20:28:09 +00:00
examples BrainF.cpp: Update CreateCall() according to r237624. 2015-05-19 06:50:19 +00:00
include [Object, MachO] Fixup for r239075: use union to store mach_header and mach_header_64. 2015-06-04 22:49:55 +00:00
lib Statepoint: Fix handling of Far Immediate calls 2015-06-04 23:03:21 +00:00
projects build: make libunwind a proper project 2015-04-25 01:47:39 +00:00
test Statepoint: Fix handling of Far Immediate calls 2015-06-04 23:03:21 +00:00
tools llvm-objdump: return non-zero exit code for certain cases of invalid input 2015-06-04 18:34:11 +00:00
unittests [APInt] Remove special case for i1. 2015-06-04 18:19:13 +00:00
utils [TableGen] Rename ListInit::getSize to just 'size' to be more consistent. 2015-06-02 04:15:57 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Ignore compile_commands.json only at the root of the tree. 2015-03-26 18:55:42 +00:00
CMakeLists.txt [CMake] Fixing the check for Ninja 2015-06-04 19:33:23 +00:00
CODE_OWNERS.TXT Added Andrey Churbanov as the owner of the OpenMP runtime library code 2015-05-05 20:17:53 +00:00
configure [omp] Actually provide a default OpenMP runtime -- libgomp for now. 2015-05-28 02:17:15 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Deprecate in-source autotools builds 2015-05-04 02:04:54 +00:00
Makefile.rules Add support for SunOS function/data sections and associated 2015-03-03 20:54:29 +00:00
README.txt Revert test commit at revision 233535. 2015-03-30 12:39:03 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.