Debugging Utility - optional ability for dumping critical path length



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215153 91177308-0d34-0410-b5e6-96231b3b80d8
Temporarily Revert "Nuke the old JIT." as it's not quite ready to
be deleted. This will be reapplied as soon as possible and before
the 3.6 branch date at any rate.

Approved by Jim Grosbach, Lang Hames, Rafael Espindola.

This reverts commits r215111, 215115, 215116, 215117, 215136.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215154 91177308-0d34-0410-b5e6-96231b3b80d8
fix materialization of one bit constants and global values which are accessed through
a base GOT entry.

Summary:
get tip of tree mips fast-isel to pass test-suite

Two bugs were fixed:

1) one bit booleans were treated as 1 bit signed integers and so the literal '1' could become sign extended.
2) mips uses got for pic but in certain cases, as with string constants for example, many items can be referenced from the same got entry and this case was not handled properly.

Test Plan: test-suite

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: mcrosier

Differential Revision: http://reviews.llvm.org/D4801

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215155 91177308-0d34-0410-b5e6-96231b3b80d8
DebugInfo: Fix overwriting/loss of inlined arguments to recursively inlined functions.

Due to an unnecessary special case, inlined arguments that happened to
be from the same function as they were inlined into were misclassified
as non-inline arguments and would overwrite the non-inlined arguments.

Assert that we never overwrite a function's arguments, and stop
misclassifying inlined arguments as non-inline arguments to fix this
issue.

Excuse the rather crappy test case - handcrafted IR might do better, or
someone who understands better how to tickle the inliner to create a
recursive inlining situation like this (though it may also be necessary
to tickle the variable in a particular way to cause it to be recorded in
the MMI side table and go down this particular path for location
information).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215157 91177308-0d34-0410-b5e6-96231b3b80d8
Reflow this comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215160 91177308-0d34-0410-b5e6-96231b3b80d8
Add a separate testcase for a DWARF expression describing a value in a
subregister.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215161 91177308-0d34-0410-b5e6-96231b3b80d8
SLPVectorizer: Use the type of the value loaded/stored to get the ABI alignment

We were using the pointer type which is incorrect.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215162 91177308-0d34-0410-b5e6-96231b3b80d8
Make these regexes stricter by disallowing any additional characters in the output.
Thanks to dblaikie for pointing this out!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215166 91177308-0d34-0410-b5e6-96231b3b80d8
[stack protector] Look through bitcasts to get global variable
__stack_chk_guard.

Handle the case where the pointer operand of the load instruction that loads the
stack guard is not a global variable but instead a bitcast.

%StackGuard = load i8** bitcast (i64** @__stack_chk_guard to i8**)
call void @llvm.stackprotector(i8* %StackGuard, i8** %StackGuardSlot)

Original test case provided by Ana Pazos.

This fixes PR20558.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215167 91177308-0d34-0410-b5e6-96231b3b80d8
[AVX512] Add codegen test for the masking variant of valign

The AddedComplexity is needed just like in avx512_perm_3src.  There may be a
bug in the complexity computation...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215168 91177308-0d34-0410-b5e6-96231b3b80d8
Fix for multi-line comment warning


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215169 91177308-0d34-0410-b5e6-96231b3b80d8
[AVX512] Add zero-masking variant to AVX512_masking multiclass

This completes one item from the todo-list of r215125 "Generate masking
instruction variants with tablegen".

The AddedComplexity is needed just like for the k variant.

Added a codegen test based on valignq.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215173 91177308-0d34-0410-b5e6-96231b3b80d8
[tablegen] - Eliminate memory leaks in TGParser.cpp

Ugly solution indicating that a refactoring is necessary to get the ownership under control.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215176 91177308-0d34-0410-b5e6-96231b3b80d8
AArch64InstrInfo.cpp: Fix \param(s). [-Wdocumentation]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215180 91177308-0d34-0410-b5e6-96231b3b80d8
Fix llvm/test/DebugInfo/X86/recursive_inlining.ll to use %llc_dwarf.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215181 91177308-0d34-0410-b5e6-96231b3b80d8
GlobalOpt: Optimize in the face of insertvalue/extractvalue

GlobalOpt didn't know how to simulate InsertValueInst or
ExtractValueInst.  Optimizing these is pretty straightforward.

N.B. This came up when looking at clang's IRGen for MS ABI member
pointers; they are represented as aggregates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215184 91177308-0d34-0410-b5e6-96231b3b80d8
[pr19635] Revert most of r170537, and add new testcase.

Patch provided by Andrey Kuharev.

Sorry, r170537 was obviously wrong.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215190 91177308-0d34-0410-b5e6-96231b3b80d8
AArch64: stop trying to take control of all UnknownArch triples.

This short-circuited our error reporting for incorrectly specified
target triples (you'd get AArch64 code instead).

Should fix PR20567.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215191 91177308-0d34-0410-b5e6-96231b3b80d8
[mips] Initial implementation of -mabicalls/-mno-abicalls.

This patch implements the main rules for -mno-abicalls such as reserving $gp,
and emitting the correct .option directive.

Patch by Matheus Almeida and Toma Tabacu

Differential Revision: http://reviews.llvm.org/D4231


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215194 91177308-0d34-0410-b5e6-96231b3b80d8
llvm-objdump: use portable format specifiers for info.

ARM bots (& others, I think, now that I look) were failing because we
were using incorrect printf-style format specifiers. They were wrong
on almost any platform, actually, just mostly harmlessly so.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215196 91177308-0d34-0410-b5e6-96231b3b80d8