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Author SHA1 Message Date
Jakob Stoklund Olesen
2aa6b4c142 Fix more register allocation sensitive tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134667 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-08 00:24:06 +00:00
Jakob Stoklund Olesen
caab27963b Remove a test that no longer makes sense. 
It was testing a linear scan feature:

  Test if linearscan is unfavoring registers for allocation to allow
  more reuse of reloads from stack slots.

The greedy register allocator doesn't access any stack slots in this
function, so the linear scan feature was not being tested.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134666 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-08 00:24:03 +00:00
Nick Lewycky
9bf45d0b1a Let the inline asm 'q' constraint match float, and on 64-bit double too. 
Fixes PR9602!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134665 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-08 00:19:27 +00:00
Eric Christopher
77ed1353bf Go ahead and emit the barrier on x86-64 even without sse2. The 
processor supports it just fine.

Fixes PR9675 and rdar://9740801


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134664 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-08 00:04:56 +00:00
Akira Hatanaka
794bf17cbe Lower MachineInstr to MC Inst and print to .s files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134661 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 23:56:50 +00:00
Chandler Carruth
b2760f82b1 Fix CMake build's library dependencies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134658 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 23:45:45 +00:00
Eric Christopher
d8cca66bb4 Handle fpcr register. 
Part of PR10299 and rdar://9740322

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134653 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 22:54:12 +00:00
Eric Christopher
31b5f00c4e Add support for the X86 'l' constraint. 
Fixes PR10149 and rdar://9738585

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134648 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 22:29:07 +00:00
Eric Christopher
09ad0b6894 Remove a FIXME. All of the standard ones are in the list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134647 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 22:29:03 +00:00
Akira Hatanaka
78d62b2c7f Remove unnecessary newline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134645 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 22:06:18 +00:00
Devang Patel
476df5f64f Add DEBUG message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134643 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 21:44:42 +00:00
Evan Cheng
18fb1d35db Add Mode64Bit feature and sink it down to MC layer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134641 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 21:06:52 +00:00
Bill Wendling
4ae970b393 Move a function out-of-line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134640 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 21:05:13 +00:00
Akira Hatanaka
03236be44a Rather than having printMemOperand change the way memory operands are printed 
based on a modifier, split it into two functions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134637 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 20:54:20 +00:00
Akira Hatanaka
3014b2f322 This patch adds a flag in MCAsmInfo that indicates whether dwarf register 
numbers should be printed instead of symbolic register names in
MCAsmStreamer::EmitRegisterName. This is necessary because some versions of
GNU assembler won't accept code in which symbolic register names are used in
cfi directives. There is no change in behavior unless the flag is explicitly
set to true by a backend.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134635 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 20:30:33 +00:00
Akira Hatanaka
17a2f8e551 Define class MipsMCInstLower. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134633 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 20:24:54 +00:00
Akira Hatanaka
aa08ea0530 Change visibility of MipsAsmPrinter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134630 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 20:10:52 +00:00
Akira Hatanaka
2091a0d8d2 Define class MipsMCSymbolRefExpr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134629 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 19:27:22 +00:00
Akira Hatanaka
4d1abf1a38 Simplify MipsRegisterInfo::eliminateFrameIndex. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134628 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 19:13:09 +00:00
Evan Cheng
4761a8d654 Rewrite comment in English. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134627 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 19:09:06 +00:00
Evan Cheng
963b03c1a9 Rename attribute 'thumb' to a more descriptive 'thumb-mode'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134626 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 19:05:12 +00:00
Akira Hatanaka
d3ac47f805 Reverse order of operands of address operand mem so that the base operand comes 
before the offset. This change will enable simplification of function
MipsRegisterInfo::eliminateFrameIndex.





git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134625 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 18:57:00 +00:00
Akira Hatanaka
e280519ba6 Add missing return statement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134622 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 18:27:36 +00:00
Devang Patel
9194c6716b If known DebugLocs do not match then two DBG_VALUE machine instructions are not identical. For example, 
DBG_VALUE 3.310000e+02, 0, !"ds"; dbg:sse.stepfft.c:138:18 @[ sse.stepfft.c:32:10 ]
        DBG_VALUE 3.310000e+02, 0, !"ds"; dbg:sse.stepfft.c:138:18 @[ sse.stepfft.c:31:10 ]

These two MIs represent identical value, 3.31...,  for one variable, ds, but they are not identical because the represent two separate instances of inlined variable "ds". 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134620 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 17:45:33 +00:00
Joerg Sonnenberger
f86b76ead7 Recognize mipseb as alias for mips for symmetry with mipsel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134617 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 16:53:52 +00:00
Oscar Fuentes
a8504111f6 Update CMake library dependencies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134616 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 16:33:00 +00:00
Douglas Gregor
7f358da70f Fix CMake build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134614 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 15:59:22 +00:00
Cameron Zwarich
375db7f39a The VMLA instruction and its friends are not actually fused; they're plain old 
multiply-accumulate instructions with separate rounding steps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134609 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 08:28:52 +00:00
Evan Cheng
db068738e8 Sink feature IsThumb into MC layer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134608 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 08:26:46 +00:00
Evan Cheng
347c50a293 Feature bits are 64-bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134607 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 07:45:49 +00:00
Evan Cheng
0ddff1b535 Compute feature bits at time of MCSubtargetInfo initialization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134606 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 07:07:08 +00:00
Chris Lattner
cbd40f8357 type can be null 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134601 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 05:29:18 +00:00
Chris Lattner
7af453a3bd use a more efficient check for 'is metadata' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134599 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 05:12:37 +00:00
Bill Wendling
b99e412650 Use ArrayRef instead of a std::vector&. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134595 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 04:42:01 +00:00
Lang Hames
944520f38c Add functions 'hasPredecessor' and 'hasPredecessorHelper' to SDNode. The 
hasPredecessorHelper function allows predecessors to be cached to speed up
repeated invocations. This fixes PR10186.

X.isPredecessorOf(Y) now just calls Y.hasPredecessor(X)

Y.hasPredecessor(X) calls Y.hasPredecessorHelper(X, Visited, Worklist) with
empty Visited and Worklist sets (i.e. no caching over invocations).

Y.hasPredecessorHelper(X, Visited, Worklist) caches search state in Visited
and Worklist to speed up repeated calls. The Visited set is searched for X
before going to the worklist to further search the DAG if necessary.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134592 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 04:31:51 +00:00
Evan Cheng
39dfb0ff84 Change some ARM subtarget features to be single bit yes/no in order to sink them down to MC layer. Also fix tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134590 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 03:55:05 +00:00
Bill Wendling
6a6b8c3e96 Add a target hook to encode the compact unwind information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134577 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 00:54:13 +00:00
Jim Grosbach
e727d67c58 Add isCodeGenOnly value to the CodeGenInstruction class. 
So users of a CGI don't have to look up the value directly from the original
Record; just like the rest of the convenience values in the class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134576 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 00:48:02 +00:00
Lang Hames
d0626aacca Added a testcase for PR10220. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134573 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 00:36:02 +00:00
Devang Patel
7986289a9c Add DEBUG messages. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134572 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 00:14:27 +00:00
Evan Cheng
94ca42ff04 Factor ARM triple parsing out of ARMSubtarget. Another step towards making ARM subtarget info available to MC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134569 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 00:08:19 +00:00
Devang Patel
a4acb008cb Use DBG_VALUE location while inserting DBG_VALUE during alloca promotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134568 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-07 00:05:58 +00:00
Jakub Staszak
447c40c402 Fix a bug in the "expect" intrinsic lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134566 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-06 23:50:16 +00:00
Eli Friedman
a38cfb2fce When tail-merging multiple blocks, make sure to correctly update the live-in list on the merged block to correctly account for the live-outs of all the predecessors. They might not be the same in all cases (the testcase I have involves a PHI node where one of the operands is an IMPLICIT_DEF). 
Unfortunately, the testcase I have is large and confidential, so I don't have a test to commit at the moment; I'll see if I can come up with something smaller where this issue reproduces.

<rdar://problem/9716278>



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134565 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-06 23:41:48 +00:00
Jim Grosbach
66c9ee7e6d Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134563 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-06 23:38:13 +00:00
Devang Patel
90369eb209 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134561 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-06 23:26:18 +00:00
Devang Patel
a462d6e8eb Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134559 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-06 23:09:51 +00:00
Bill Wendling
2b2dc7c4be Clean up the #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134557 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-06 22:52:32 +00:00
Eric Christopher
882e1e1c5d Grammar and 80-col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134555 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-06 22:41:18 +00:00
Owen Anderson
9cbd7afb76 Fix a subtle issue in SmallVector. The following code did not work as expected: 
vec.insert(vec.begin(), vec[3]);
The issue was that vec[3] returns a reference into the vector, which is invalidated when insert() memmove's the elements down to make space.  The method needs to specifically detect and handle this case to correctly match std::vector's semantics.

Thanks to Howard Hinnant for clarifying the correct behavior, and explaining how std::vector solves this problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134554 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-06 22:36:59 +00:00