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Author SHA1 Message Date
NAKAMURA Takumi
7d63a2c2e8 CMake: Add disabling optimization on MSVC8 and MSVC10 as workaround for some files in Target/ARM and Target/X86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122623 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 03:59:27 +00:00
NAKAMURA Takumi
8eac886216 autoconf: Add --disable-embed-stdcxx to suppress linking libstdc++.a into llvm.dll with --enable-shared on Cygming. 
Cygwin has stdc++.dll in it's distribution, and we can assume distro's stdc++.dll might be available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122622 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 03:59:14 +00:00
NAKAMURA Takumi
0dc8439f54 autoconf: [PR7874] Add --disable-pthreads to suppress detecting pthreads on certain hosts. 
This would be needed to build pthread*.dll-free distribution on recent MinGW-MSYS distros.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 03:59:03 +00:00
NAKAMURA Takumi
5c083b174e test/Transforms/ConstProp/logicaltest.ll: FileCheck-ize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 03:58:56 +00:00
NAKAMURA Takumi
e5eff5f6a2 test/CodeGen/X86/negative-sin.ll: FileCheck-ize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122619 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 03:58:47 +00:00
NAKAMURA Takumi
a9eb163261 test/CodeGen/X86/fp-in-intregs.ll: FileCheck-ize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122618 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 03:58:36 +00:00
Cameron Zwarich
480b80a746 Add text explaining an assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122617 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 03:52:51 +00:00
Rafael Espindola
9c54c14cad Remove second return. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122616 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 02:42:33 +00:00
Rafael Espindola
a7e450574c Fix bug when trying to output uint16_t or uint32_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122615 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 02:30:49 +00:00
Rafael Espindola
b40a71fda1 Implement cfi_def_cfa. Also don't convert to dwarf reg numbers twice. Looks 
like 6 is a fixed point of that and so the previous tests were OK :-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122614 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 01:42:56 +00:00
Chris Lattner
e562dba845 fix PR8867: a crash handling fp128. Thanks to Nick for the testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 01:33:36 +00:00
Rafael Espindola
b4601bd2ff Implement cfi_def_cfa_register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122612 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 00:26:06 +00:00
Rafael Espindola
b790a17efb Initial .cfi_offset implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-29 00:09:59 +00:00
Cameron Zwarich
cb584d08c0 Simplify some code in MachineVerifier that was doing the correct thing, but not 
in the most obvious way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122610 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 23:45:38 +00:00
Rafael Espindola
3b78cdc57a Don't produce a "DW_CFA_advance_loc 0". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122609 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 23:38:03 +00:00
Cameron Zwarich
438e25ccdc Revert the optimization in r122596. It is correct for all current targets, but 
it relies on assumptions that may not be true in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122608 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 23:02:56 +00:00
Venkatraman Govindaraju
f661277a9b Multiple SPARC backend fixes: added Y register; updated select_cc, subx, subxcc defs/uses; 
and fixed CustomInserter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122607 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 20:39:17 +00:00
Tobias Grosser
0538729a3a Integers are primitive types. Update the documentation to state this 
This was done for label, void, floating point, x86mmx, metadata,
just not integer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122606 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 20:29:31 +00:00
Chris Lattner
95ae676bc8 simplify this, isBytewiseValue handles the extra check. We still 
check for "multiple of a byte" in size to make it clear that the
>> 3 below is safe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 18:53:48 +00:00
Chris Lattner
1dc5db2beb add a note from llvmdev 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122603 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 18:45:02 +00:00
Rafael Espindola
fe024d0a62 Implement .cfi_remember_state and .cfi_restore_state. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122602 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 18:36:23 +00:00
Duncan Sands
19f14dcf6a Clarify that InstructionSimplify only returns values that dominate the 
original instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 18:01:19 +00:00
Duncan Sands
9bc6a90146 Small optimization to speed up replacementPreservesLCSSAForm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122600 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 18:00:24 +00:00
Benjamin Kramer
e21083aa3a Cast away "comparison between signed and unsigned integer" warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122598 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 13:52:52 +00:00
Benjamin Kramer
3fee954b3e Fix a signed/unsigned comparison warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122597 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 13:05:13 +00:00
Cameron Zwarich
92f0fcb6df Avoid iterating every operand of an instruction in StrongPHIElimination, since 
we are only interested in the defs when discovering interferences.

This is a 28% speedup running StrongPHIElimination on 403.gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122596 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 10:49:33 +00:00
Duncan Sands
2aea490e16 Pacify the compiler. BestWeight cannot in fact be used uninitialized 
in this function, but the compiler was warning that it might be when
doing a release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 10:07:15 +00:00
Duncan Sands
849ecb1431 Fix warning about size potentially being used uninitialized 
when doing a release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122594 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 10:02:42 +00:00
Duncan Sands
7922d34b60 Silence gcc warning about an unused variable when doing a release build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122593 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 09:41:15 +00:00
Rafael Espindola
245a1e2041 Relax address updates in the eh_frame section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122591 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 05:39:27 +00:00
Rafael Espindola
5bba084253 Start adding basic support for emitting the call frame instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122590 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 04:15:37 +00:00
Michael J. Spencer
4213618088 Support/Path: Deprecate Path::hasMagicNumber and replace all uses with fs::has_magic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122589 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 01:49:21 +00:00
Michael J. Spencer
bf0184b684 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 01:49:10 +00:00
Michael J. Spencer
628467ef1f Support/PathV2: Implement has_magic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122587 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 01:49:01 +00:00
Cameron Zwarich
c3ab20e62e Change an assertion to assert what the code actually relies upon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122586 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 22:08:42 +00:00
Chris Lattner
2e12f1ac6e fix some issues Frits noticed, add AliasAnalysis as a dependency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122585 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 18:39:08 +00:00
Rafael Espindola
bdc3167c08 Add support for .cfi_lsda. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122584 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 15:56:22 +00:00
Daniel Dunbar
e862453806 MC/Mach-O/Thumb: Select appropriate relocation types for Thumb. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 14:49:49 +00:00
Cameron Zwarich
4e7f23b1b6 Land a first cut at StrongPHIElimination. There are only 5 new test failures 
when running without the verifier, and I have not yet checked them to see if
the new results are still correct. There are more verifier failures, but they
all seem to be additional occurrences of verifier failures that occur with the
existing PHIElimination pass. There are a few obvious issues with the code:

1) It doesn't properly update the register equivalence classes during copy
insertion, and instead recomputes them before merging live intervals and
renaming registers. I wanted to keep this first patch simple for debugging
purposes, but it shouldn't be very hard to do this.

2) It doesn't mix the renaming and live interval merging with the copy insertion
process, which leads to a lot of virtual register churn. Virtual registers and
live intervals are created, only to later be merged into others. The code should
be smarter and only create a new virtual register if there is no existing
register in the same congruence class.

3) In one place the code uses a DenseMap per basic block, which is unnecessary
heap allocation. There should be an inline storage version of DenseMap.

I did a quick compile-time test of running llc on 403.gcc with and without
StrongPHIElimination. It is slightly slower with StrongPHIElimination, because
the small decrease in the coalescer runtime can't beat the increase in phi
elimination runtime. Perhaps fixing the above performance issues will narrow
the gap.

I also haven't yet run any tests of the quality of the generated code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122582 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 10:08:19 +00:00
Cameron Zwarich
4eee42cb28 Add knowledge of phi-def and phi-kill valnos to MachineVerifier's predecessor 
valno verification. The "Different value live out of predecessor" check is
incorrect in the case of phi-def valnos, so just skip that check for phi-def
valnos and instead check that all of the valnos for predecessors have phi-kill.
Fixes PR8863.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 05:17:23 +00:00
Michael J. Spencer
9170a0f02d Support/PathV1: Deprecate GetRootDirectory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 03:21:41 +00:00
Rafael Espindola
c3a561cb8e Handle reloc_riprel_4byte_movq_load. Should make the bots happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 02:03:24 +00:00
Rafael Espindola
3a83c40ab6 Add support for the same encodings of the personality function that gnu as 
supports.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122577 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 00:36:05 +00:00
Benjamin Kramer
def548f9a0 BuildLibCalls: Nuke EmitMemCpy, EmitMemMove and EmitMemSet. They are dead and superseded by IRBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122576 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 00:25:32 +00:00
Benjamin Kramer
a1bf4ca773 SimplifyLibCalls: Use IRBuilder to simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 00:16:46 +00:00
Chris Lattner
9f39188def have loop-idiom nuke instructions that feed stores that get removed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122574 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-27 00:03:23 +00:00
Chris Lattner
a92ff91a96 implement enough of the memset inference algorithm to recognize and insert 
memsets.  This is still missing one important validity check, but this is enough
to compile stuff like this:

void test0(std::vector<char> &X) {
  for (std::vector<char>::iterator I = X.begin(), E = X.end(); I != E; ++I)
    *I = 0;
}

void test1(std::vector<int> &X) {
  for (long i = 0, e = X.size(); i != e; ++i)
    X[i] = 0x01010101;
}

With:
 $ clang t.cpp -S -o - -O2 -emit-llvm | opt -loop-idiom | opt -O3 | llc 

to:

__Z5test0RSt6vectorIcSaIcEE:            ## @_Z5test0RSt6vectorIcSaIcEE
## BB#0:                                ## %entry
	subq	$8, %rsp
	movq	(%rdi), %rax
	movq	8(%rdi), %rsi
	cmpq	%rsi, %rax
	je	LBB0_2
## BB#1:                                ## %bb.nph
	subq	%rax, %rsi
	movq	%rax, %rdi
	callq	___bzero
LBB0_2:                                 ## %for.end
	addq	$8, %rsp
	ret
...
__Z5test1RSt6vectorIiSaIiEE:            ## @_Z5test1RSt6vectorIiSaIiEE
## BB#0:                                ## %entry
	subq	$8, %rsp
	movq	(%rdi), %rax
	movq	8(%rdi), %rdx
	subq	%rax, %rdx
	cmpq	$4, %rdx
	jb	LBB1_2
## BB#1:                                ## %for.body.preheader
	andq	$-4, %rdx
	movl	$1, %esi
	movq	%rax, %rdi
	callq	_memset
LBB1_2:                                 ## %for.end
	addq	$8, %rsp
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-26 23:42:51 +00:00
Chris Lattner
61db1f56d0 start using irbuilder to make mem intrinsics in a few passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122572 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-26 22:57:41 +00:00
Chris Lattner
c0d5496b8a add methods to IRBuilder to create memcpy/memset/memmove. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122571 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-26 22:49:25 +00:00
Rafael Espindola
390b693dac Fix .cfi_personality on 32 bit systems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-26 22:47:37 +00:00