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Hans Wennborg acb842d523 Check for dynamic allocas and inline asm that clobbers sp before building 
selection dag (PR19012)

In X86SelectionDagInfo::EmitTargetCodeForMemcpy we check with MachineFrameInfo
to make sure that ESI isn't used as a base pointer register before we choose to
emit rep movs (which clobbers esi).

The problem is that MachineFrameInfo wouldn't know about dynamic allocas or
inline asm that clobbers the stack pointer until SelectionDAGBuilder has
encountered them.

This patch fixes the problem by checking for such things when building the
FunctionLoweringInfo.

Differential Revision: http://llvm-reviews.chandlerc.com/D2954

llvm-svn: 202930
 		2014-03-05 02:43:26 +00:00
..
Analysis add -da-delinearize runs and checks to MIV testcases 2014-02-21 18:15:18 +00:00
Assembler Bug 18228 - Fix accepting bitcasts between vectors of pointers with a 2014-01-22 19:21:33 +00:00
Bindings Don't try to set a dummy DataLayout. It is parsed now. 2014-02-25 20:41:28 +00:00
Bitcode Ensure bitcode encoding of instructions and their operands stays stable. 2014-03-02 15:26:36 +00:00
BugPoint Debug Info: update testing cases to specify the debug info version number. 2013-11-23 01:16:29 +00:00
CodeGen Check for dynamic allocas and inline asm that clobbers sp before building 2014-03-05 02:43:26 +00:00
DebugInfo Add DWARF discriminator support to DILexicalBlocks. 2014-03-03 18:53:17 +00:00
ExecutionEngine Ignore old JIT tests in AARch64 - CMake style 2014-02-25 09:31:00 +00:00
Feature Disable most IR-level transform passes on functions marked 'optnone'. 2014-02-06 00:07:05 +00:00
FileCheck FileCheck: fix a bug with multiple --check-prefix options. Similar to r194565 2013-11-20 13:25:05 +00:00
Instrumentation [msan] Handle X86 SIMD bitshift intrinsics. 2014-03-03 13:47:42 +00:00
Integer [tests] Cleanup initialization of test suffixes. 2013-08-16 00:37:11 +00:00
JitListener Debug Info: update testing cases to specify the debug info version number. 2013-11-22 21:49:45 +00:00
LTO Add back r201608, r201622, r201624 and r201625 2014-02-19 17:23:20 +00:00
Linker Revert "Use count 0." 2014-02-27 03:10:10 +00:00
MC This patch implements .set mips32r2 directive and sets appropriate feature bits. It also introduces helper functions that are used to set and clear feature bits as necessary. This directive is a counterpart of -mips32r2 command line options with the exception that it does not influence elf header flags. The usage example is gives in test file. 2014-03-04 09:54:09 +00:00
Object Now that it is possible, use the mangler in IRObjectFile. 2014-02-28 02:17:23 +00:00
Other [PM] Wire up the Verifier for the new pass manager and connect it to the 2014-01-20 11:34:08 +00:00
TableGen [TableGen] Correctly generate implicit anonymous prototype defs in multiclasses 2014-01-02 20:47:09 +00:00
Transforms Trivial test commit. 2014-03-05 02:09:51 +00:00
Unit With rpaths being set correctly, SHLIBPATH_VAR is not needed anymore. 2014-02-28 16:16:51 +00:00
Verifier [PM] Make the verifier work independently of any pass manager. 2014-01-19 02:22:18 +00:00
YAMLParser [Support][YAML] Add support for accessing tags and tag handle substitution. 2013-10-18 22:38:04 +00:00
tools llvm-objdump: Indent unwind info contents. 2014-03-04 19:23:56 +00:00
.clang-format Add .clang-format without column limit to subdirectory tests/. 2013-11-19 04:26:05 +00:00
CMakeLists.txt [CMake] check-llvm: Include "bugpoint" in dependent list. 2014-03-04 16:13:30 +00:00
Makefile With rpaths being set correctly, SHLIBPATH_VAR is not needed anymore. 2014-02-28 16:16:51 +00:00
Makefile.tests
…
TestRunner.sh
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lit.cfg PGO: llvm-profdata: tool for merging profiles 2014-02-17 23:22:49 +00:00
lit.site.cfg.in Eliminate inappropriate use of FindProgramByName() from lli 2014-01-22 21:52:35 +00:00