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Author SHA1 Message Date
Stuart Hastings
2aa0f23e1c Reverting 132105: it broke some LLVM-GCC DejaGNU tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132108 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-26 04:09:49 +00:00
Cameron Zwarich
421b106872 Mark tBX as an indirect branch rather than a return. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132107 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-26 03:41:12 +00:00
Charles Davis
ca93138e11 Test .seh_startchained and .seh_endchained parsing. 
Rework how the MCWin64EHUnwindInfo instances are stored. Fix issues with
chained unwind areas exposed by the test that were related to this.

The ChainedParent field had the wrong address, because when the chained unwind
info was added, the addresses shifted around. Now we store the pointers to the
structures, which are now allocated from the MC heap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132106 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-26 02:45:47 +00:00
Stuart Hastings
aa4e6afc9b Correctly handle a one-word struct passed byval on x86_64. 
rdar://problem/6920088


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132105 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-26 02:44:56 +00:00
Andrew Trick
fcdc9a44e5 indvars: incremental fixes for -disable-iv-rewrite and testcases. 
Use a proper worklist for use-def traversal without holding onto an
iterator. Now that we process all IV uses, we need complete logic for
resusing existing derived IV defs. See HoistStep.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132103 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-26 00:46:11 +00:00
Jakob Stoklund Olesen
b8d936bc17 Add a RAGreedy::canEvict function. 
This doesn't change functionality (much), but it allows for a more fine-grained
eviction policy. The current policy only compares spill weights, and that is not
always the best thing to do.  Spill weights are designed to serve linear scan,
and they don't consider live range splitting.

Add a mechanism so canEvict() can request that a live range be evicted and
split/spilled. This is to avoid infinite eviction loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132101 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 23:58:36 +00:00
Eli Friedman
76927d7303 Rewrite fast-isel integer cast handling to handle more cases, and to be simpler and more consistent. 
The practical effects here are that x86-64 fast-isel can now handle trunc from i8 to i1, and ARM fast-isel can handle many more constructs involving integers narrower than 32 bits (including loads, stores, and many integer casts).

rdar://9437928 .



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132099 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 23:49:02 +00:00
Akira Hatanaka
37d22d92df Define WeakRefDirective. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132098 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 23:30:30 +00:00
Eli Friedman
a831a9b972 PR9998: ashr exact %x, 31 is not equivalent to sdiv exact %x, -2147483648. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132097 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 23:26:20 +00:00
Devang Patel
8a115d5bf4 Remove unused statistical counter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132087 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 21:55:40 +00:00
Cameron Zwarich
ad70f6d2b1 Convert tBX_CALL / tBXr9_CALL to actual pseudoinstructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132086 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 21:53:50 +00:00
Charles Davis
410ef2b263 Add tests for .seh_setframe and .seh_handlerdata parsing. Fix issues with 
them.

I had to add a special SwitchSectionNoChange method to MCStreamer just for
.seh_handlerdata. If this isn't OK, please let me know, and I'll find some
other way to fix .seh_handlerdata streaming.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132084 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 21:43:45 +00:00
Eric Christopher
7bb1c40549 Clean up comment a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132083 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 21:19:19 +00:00
Eric Christopher
8f89463894 Implement the 'm' modifier. Note that it only works for memory operands. 
Part of rdar://9119939


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132081 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 20:51:58 +00:00
Akira Hatanaka
d85b3ecbb3 Remove MipsTargetLowering::LowerFP_TO_SINT. Patterns for fp_to_sint have already 
been defined in MipsInstrFPU.td.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132076 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 20:08:05 +00:00
Akira Hatanaka
9c3d57c45e Custom-lower FCOPYSIGN nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132074 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 19:32:07 +00:00
Eli Friedman
783c66414a Prepare ARMFastISel::SelectSIToFP for getRegForValue returning registers for i8 and i16 values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132073 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 19:09:45 +00:00
Evan Cheng
237d10db8c Simplify r132022 based on Cameron's feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132071 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 18:17:13 +00:00
Akira Hatanaka
4c62f765a3 Update MaxCallFrameSize regardless of the relocation model selected. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132070 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 18:08:32 +00:00
Akira Hatanaka
f15f498507 Change initial value of MaxCallFrameSize. MipsFI::getMaxCallFrameSize() should 
return 0 if there are no function calls made. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132065 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 17:52:48 +00:00
Akira Hatanaka
edacba83dc Coding style fixes. Added comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132063 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 17:32:06 +00:00
Francois Pichet
1b47720391 Remove unused OpcodeMask enumerator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132062 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 17:02:53 +00:00
Francois Pichet
0b5bb3b2b4 Fix 3 MSVC warnings: 
'void (__cdecl *)()' differs in parameter lists from 'void (__cdecl *)(void)'

atexit really expects a "void f(void)" function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132061 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 16:32:33 +00:00
Francois Pichet
d9e57c146d Fix MSVC warning: "is out of range for enum constant" 
MSVC doesn't support 64 bit enum. 
OpcodeMask is not used anywhere in the code base.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132057 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 15:58:10 +00:00
Rafael Espindola
52f6a4de95 Fix some issues Duncan found in the previous commit. 
I kept the reference to the ABI since that is the common case. The
-fno-asynchronous-unwind-tables option is a user controlled way of breaking
the ABI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132053 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 12:54:08 +00:00
Frits van Bommel
6cd71c6292 Fix warning in the CMake build about redefining LLVM_PATH_XDOT_PY by making sure both definitions are identical. This used to produce warnings like 
In file included from .../llvm/trunk/tools/lto/LTOCodeGenerator.cpp:45:
In file included from .../llvm/trunk/include/llvm/Support/system_error.h:225:
.../include/llvm/Config/config.h:591:9: warning: 'LLVM_PATH_XDOT_PY' macro redefined
#define LLVM_PATH_XDOT_PY ".../bin/xdot.py"
        ^
.../include/llvm/Config/llvm-config.h:98:9: note: previous definition is here
#define LLVM_PATH_XDOT_PY ""
        ^
1 warning generated.

(Paths edited for clarity)

Note: This only affected people who had xdot.py installed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132050 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 06:32:23 +00:00
Argyrios Kyrtzidis
804cb23305 [tablegen] A couple of changes to ClangDiagnosticEmmitter. 
-Emit an empty warning option as string ("") instead of 0.
-For diagnostic names also emit the size of the string.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132046 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 05:04:22 +00:00
Charles Davis
575630ccb8 Add tests for .seh_savereg and .seh_savexmm parsing. Once again, fix the 
buggy methods that parse these directives.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132045 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:51:25 +00:00
Cameron Zwarich
da86a08284 Restore an accidentally removed comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:48:17 +00:00
Cameron Zwarich
8e9bace414 Move some code to a more logical place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132043 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:29 +00:00
Cameron Zwarich
106acd4158 Make tTAILJMPr/tTAILJMPrND emit a tBX without a preceding MOV of PC to LR. This 
fixes <rdar://problem/9495913>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132042 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:27 +00:00
Cameron Zwarich
328634598f Change the order of tBX's operands so that the predicate operands come after the 
target register, matching BX. I filed this bug because I was confused at first:

PR10007 - ARM branch instructions have inconsistent predicate operand placement
<http://llvm.org/bugs/show_bug.cgi?id=10007>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132041 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:23 +00:00
Cameron Zwarich
8f161c3a95 Rename tBX_Rm to tBX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132040 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:20 +00:00
Cameron Zwarich
b36c1ae6d5 Rename the existing tBX/tBXr9 instructions to tBX_CALL/tBXr9_CALL to better 
reflect their actual meaning and match the ARM instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132039 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:45:14 +00:00
Andrew Trick
03d3d3b361 indvars: fixed IV cloning in -disable-iv-rewrite mode with associated 
cleanup and overdue test cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132038 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:42:22 +00:00
Charles Davis
47268164f3 Add a test for .seh_pushframe parsing. Fix the bug exposed by it (and another 
one I found by inspection).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132037 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 04:08:15 +00:00
Rafael Espindola
fc2bb8c444 Replace the -unwind-tables option with a per function flag. This is more 
LTO friendly as we can now correctly merge files compiled with or without
-fasynchronous-unwind-tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132033 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 03:44:17 +00:00
Akira Hatanaka
053546c31e Fix lowering of DYNAMIC_STACKALLOC nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132030 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 02:20:00 +00:00
Charles Davis
309213279e Add a test for the .seh_handler directive. Fix problems with the parsing 
method exposed by the test. While we're at it, simplify the .seh_proc
parsing method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 01:33:42 +00:00
Bruno Cardoso Lopes
56926a3961 Fix PR9762 
Enable the parsing of the operand "cpsr_all" for the ARM msr instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132026 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 00:35:03 +00:00
Evan Cheng
21d378d735 Forgot dyn_cast check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132025 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 23:47:50 +00:00
Eric Christopher
4db7dec70b Implement the arm 'L' asm modifier. 
Part of rdar://9119939


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132024 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 23:27:13 +00:00
Eric Christopher
e1739d598d Implement the immediate part of the 'B' modifier. 
Part of rdar://9119939


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132023 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 23:15:43 +00:00
Evan Cheng
424641ef83 Fix LoopUnswitch bug. RewriteLoopBodyWithConditionConstant can delete a dead 
case of a switch instruction. Back off this optimization when this would
eliminate all of the predecessors to the latch.

Sorry, I am unable to reduce a reasonably sized test case.

rdar://9486843


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132022 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 23:12:57 +00:00
Eric Christopher
fef50062ea Add more unimplemented asm modifiers and some documentation of what they 
do.

Part of rdar://9119939.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132015 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 22:27:43 +00:00
Eric Christopher
0628d38085 Add support for the arm 'y' asm modifier. 
Fixes part of rdar://9444657


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132011 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 22:10:34 +00:00
Dan Gohman
b0b0da72e9 Update documentation: -basicaa does chaining these days. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132010 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 22:01:32 +00:00
Akira Hatanaka
9ad65aed36 Test case for r132003. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132005 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 21:28:18 +00:00
Charles Davis
40de0e013a Test basic SEH directive-parsing functionality. Fix a latent bug exposed by 
this test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132004 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 21:22:53 +00:00
Akira Hatanaka
ce98deb9f5 Enable printing of immediates that do not fit in 16-bit. .cprestore can have 
offsets that are larger than 0x10000.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132003 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 21:22:21 +00:00