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3029f92051
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12811 Commits

Author SHA1 Message Date
Chris Lattner
3029f92051 Adjust to MachineConstantPool interface change: instead of keeping a 
value/alignment pair for each constant, keep a value/offset pair.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26078 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 04:46:04 +00:00
Chris Lattner
fa77d43ba1 rename fields of constant pool entries 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26076 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 04:22:52 +00:00
Chris Lattner
74b7d27ab1 Simplify code, alignment must be specified now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26074 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 02:26:04 +00:00
Chris Lattner
948d9668a7 Make MachineConstantPool entries alignments explicit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26071 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 02:23:13 +00:00
Chris Lattner
5ac38d147b Always pass in an alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26070 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 02:19:16 +00:00
Chris Lattner
23c574a841 provide an explicit alignment for cp entries 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26069 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 02:15:30 +00:00
Evan Cheng
34167215a8 Change Select() from 
SDOperand Select(SDOperand N);
to
void Select(SDOperand &Result, SDOperand N);


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26067 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 00:37:58 +00:00
Chris Lattner
418caa1356 Darwin doesn't support #APP/#NO_APP 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26066 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 23:42:22 +00:00
Chris Lattner
d6c65ea924 Add support for assembler directives that wrap inline asm 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26065 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 23:41:56 +00:00
Chris Lattner
6f4a072e1f Rename BSel -> PPCBSel for the benefit of doxygen users. 
Move the methods out of line.
Remove unused Debug.h stuff.
Teach getNumBytesForInstruction to know the size of an inline asm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26064 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 19:33:26 +00:00
Chris Lattner
dba382b16a add a simple optimization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26062 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 17:47:22 +00:00
Chris Lattner
7560c3af83 Simplify some code, reducing calls to MaskedValueIsZero. Implement a minor 
optimization where we reduce the number of bits in AND masks when possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26056 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 07:34:50 +00:00
Chris Lattner
cb298907ab more email -> README moving 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26054 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 07:12:07 +00:00
Chris Lattner
4d73a5a204 Emit the 'mr' pseudoop for easier reading. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26053 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 06:56:40 +00:00
Chris Lattner
8f77b73430 Add some random notes, not high-prio 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26052 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 06:52:06 +00:00
Chris Lattner
8d3f490991 Move emails from nate into public places 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26051 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 06:43:51 +00:00
Chris Lattner
9ca96410fc Use EraseInstFromFunction in a few cases to put the uses of the removed 
instruction onto the worklist (in case they are now dead).

Add a really trivial local DSE implementation to help out bitfield code.
We now fold this:

struct S {
    unsigned char a : 1, b : 1, c : 1, d : 2, e : 3;
    S();
};

S::S() : a(0), b(0), c(1), d(0), e(6) {}

to this:

void %_ZN1SC1Ev(%struct.S* %this) {
entry:
        %tmp.1 = getelementptr %struct.S* %this, int 0, uint 0
        store ubyte 38, ubyte* %tmp.1
        ret void
}

much earlier (in gccas instead of only in gccld after DSE runs).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26050 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 03:25:32 +00:00
Chris Lattner
fe243ebb64 Implement some more interesting select sccp cases. This implements: 
test/Regression/Transforms/SCCP/select.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26049 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 02:38:11 +00:00
Chris Lattner
3391bcd434 Compile this: 
xori r6, r2, 1
        rlwinm r6, r6, 0, 31, 31
        cmpwi cr0, r6, 0
        bne cr0, LBB1_3 ; endif

to this:

        rlwinm r6, r2, 0, 31, 31
        cmpwi cr0, r6, 0
        beq cr0, LBB1_3 ; endif


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26047 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 02:13:15 +00:00
Chris Lattner
62d1ade893 Fix a problem in my patch yesterday, causing a miscompilation of 176.gcc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26045 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 01:20:23 +00:00
Evan Cheng
5ada370f42 Fixed a local common symbol bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26044 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 23:32:58 +00:00
Evan Cheng
315421e77c For ELF, .comm takes alignment value as the optional 3rd argument. It must be 
specified in bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26043 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 21:54:08 +00:00
Chris Lattner
ad3bc8d8ad Implement getConstraintType for PPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26042 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 20:16:30 +00:00
Chris Lattner
d89d888cc5 Fix Transforms/InstCombine/2006-02-07-SextZextCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26040 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 19:07:40 +00:00
Evan Cheng
2338c5cb0e Darwin ABI issues: weak, linkonce, etc. dynamic-no-pic support is complete. 
Also fixed a function stub bug. Added weak and linkonce support for
x86 Linux.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26038 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 08:38:37 +00:00
Evan Cheng
183fff997c Remind myself to add PIC and static asm printer support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26037 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 08:35:44 +00:00
Chris Lattner
74c51a0ff2 Generalize MaskedValueIsZero into a ComputeMaskedNonZeroBits function, which 
is just as efficient as MVIZ and is also more general.

Fix a few minor bugs introduced in recent patches


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26036 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 08:05:22 +00:00
Chris Lattner
3bedbd9d71 Make MaskedValueIsZero take a uint64_t instead of a ConstantIntegral as a 
mask.  This allows the code to be simpler and more efficient.

Also, generalize some of the cases in MVIZ a bit, making it slightly more aggressive.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26035 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 07:27:52 +00:00
Chris Lattner
1a074fce15 Use Type::getIntegralTypeMask() to simplify some code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26034 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 07:00:41 +00:00
Chris Lattner
6dce1a7dfe Implement the beginnings of a facility for simplifying expressions based on 
'demanded bits', inspired by Nate's work in the dag combiner.  This isn't
complete, but needs to unrelated instcombiner changes to continue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26033 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 06:56:34 +00:00
Jeff Cohen
8c9191c644 The interpreter assumes that the caller of runFunction() must be lli, and 
therefore the function being called must be a main() returning an int.  The
consequences when these assumptions are false are not good, so don't assume
them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26031 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 05:29:44 +00:00
Jeff Cohen
68835dd511 Teach the interpreter to handle global variables that are added to a module after 
interpretation has begun.  The JIT already handles this situation correctly, and
the interpreter can already handle new functions being added.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26030 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 05:11:57 +00:00
Chris Lattner
763317de1b Add the simple PPC integer constraints 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26027 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 00:47:13 +00:00
Chris Lattner
a3b8c57b9e Eliminate the printCallOperand method, using a 'call' modifier on 
printOperand instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26025 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 23:41:19 +00:00
Chris Lattner
815ef5b3dd Change prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26022 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 22:18:19 +00:00
Chris Lattner
a36cb0a6b1 Add support for modifier characters to operand printers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26021 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 22:17:23 +00:00
Jim Laskey
f60c2414ab Goodbye nasty macro. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26019 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 21:54:05 +00:00
Jim Laskey
c2f0c8def7 Edit requests from Sabre. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26018 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 19:12:02 +00:00
Andrew Lenharth
054e2a758b see what this allignment thing will do 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26017 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 17:15:17 +00:00
Jim Laskey
86cbdba522 Changing model for the construction of debug information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26016 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 15:33:21 +00:00
Jim Laskey
984cb3773f We seem to have settled to __DWARF for section name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26015 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 14:16:15 +00:00
Evan Cheng
5e35168b11 - Update load folding checks to match those auto-generated by tblgen. 
- Manually select SDOperand's returned by TryFoldLoad which make up the
  load address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26012 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 06:02:33 +00:00
Evan Cheng
7564e0b46d Complex pattern isel code shouldn't select nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26010 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:45:01 +00:00
Chris Lattner
c26017a4ae Fix the Sparc backend with Evan's recent tblgen changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26009 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:35:50 +00:00
Chris Lattner
33872c99be This xform isn't safe 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26007 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:26:16 +00:00
Nate Begeman
be71442292 Back out previous commit, it isn't safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26006 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:23:00 +00:00
Nate Begeman
bab9239d05 fold c1 << (x + c2) into (c1 << c2) << x. fix a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26005 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:07:24 +00:00
Chris Lattner
176f0416d1 some stuff is done 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26004 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 07:54:37 +00:00
Chris Lattner
5f3b0eeddb Turn A % (C << N), where C is 2^k, into A & ((C << N)-1) [urem only]. 
Turn A / (C1 << N), where C1 is "1<<C2" into A >> (N+C2) [udiv only].

Tested with: rem.ll:test5, div.ll:test10


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26003 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 07:54:04 +00:00
Nate Begeman
c031e33b68 Handle urem by shifted powers of 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26001 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 07:36:48 +00:00