maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
30,506 Commits 23 Branches 0 Tags 2.2 GiB
Commit Graph

30506 Commits

Author SHA1 Message Date
Reid Spencer 5aa8560eab Add an isNegative method to determine if the APInt's value is negative. 
This is much less expensive than a test against zero.

llvm-svn: 34619
 2007-02-26 01:20:59 +00:00
Reid Spencer 44eef169fa Rewrite lshr to not do bit by bit copy but to copy and shift whole words. 
This makes it much more efficient.

llvm-svn: 34618
 2007-02-26 01:19:48 +00:00
Reid Spencer fb55b7b99d Fix sext operation. Shifting by zero would leave an incorrect mask. 
llvm-svn: 34617
 2007-02-25 23:54:00 +00:00
Reid Spencer b6b5cc3e2f 1. Fix the flip() method to correctly flip all words of the APInt. 
2. Implement the trunc, sext, and zext operations.
3. Improve fromString to accept negative values as input.

llvm-svn: 34616
 2007-02-25 23:44:53 +00:00
Chris Lattner 8924332e22 Fix an X86-64 abi bug. We now compile: 
void foo(short);
void bar(unsigned short A) {
  foo(A);
}

into:

_bar:
        subq $8, %rsp
        movswl %di, %edi
        call _foo
        addq $8, %rsp
        ret

instead of:

_bar:
        subq $8, %rsp
        call _foo
        addq $8, %rsp
        ret

Testcase here: test/CodeGen/X86/x86-64-shortint.ll

llvm-svn: 34615
 2007-02-25 23:10:46 +00:00
Chris Lattner c864f6a786 new testcase 
llvm-svn: 34614
 2007-02-25 23:08:29 +00:00
Chris Lattner 3e0703357f fix CodeGen/X86/2007-02-25-FastCCStack.ll, a regression from my patch last 
night:  fastcc returns should only go in XMM0 if we have SSE2 or above.

llvm-svn: 34613
 2007-02-25 22:23:46 +00:00
Chris Lattner 39a72143cb new testcase 
llvm-svn: 34612
 2007-02-25 22:23:15 +00:00
Chris Lattner eef0a351b1 new testcase 
llvm-svn: 34611
 2007-02-25 22:02:01 +00:00
Jim Laskey 14059d958a Fix for PR1224. 
llvm-svn: 34610
 2007-02-25 21:43:59 +00:00
Jim Laskey 619d4bddc7 Test for PR1224. 
llvm-svn: 34609
 2007-02-25 21:43:21 +00:00
Chris Lattner 76ac8f82bd Rework GlobalValue::removeDeadConstantUsers to always remove dead constant 
exprs hanging off a global, even if the global is not otherwise dead.  This
requires some tricky iterator gymnastics.

This implements Transforms/GlobalOpt/constantexpr-dangle.ll by deleting a
constantexpr that made it appear that the address of the function was taken.

llvm-svn: 34608
 2007-02-25 21:06:13 +00:00
Chris Lattner 49c505c6e6 new testcase. @foo should be marked fastcc by globalopt 
llvm-svn: 34607
 2007-02-25 21:04:39 +00:00
Chris Lattner b377a7ca11 disable some noisy debug output 
llvm-svn: 34606
 2007-02-25 20:42:59 +00:00
Chris Lattner 1ee61ab414 no really, this is the right patch 
llvm-svn: 34605
 2007-02-25 20:01:40 +00:00
Chris Lattner 4d2f5f8740 always promote float varargs to double. 
llvm-svn: 34604
 2007-02-25 19:59:18 +00:00
Reid Spencer a41e93be3d 1. Provide more detail in file comment. 
2. Move comments for methods to .h file, delete them in .cpp file.
3. All places that were doing manual clear of high order bits now call the
   clearUnusedBits() method in order to not depend on undefined behavior
   of the >> operator when the number of bits shifted equals the word size.
4. Reduced # of loc by using the new result of clearUnusedBits() method.
5. Simplified logic (decreased indentation) in a few places.
6. Added code comments to larger functions that needed them.
7. Added FIXME notes about weak implementations of things (e.g. bit-by-bit
   shift right is sub-optimal).

llvm-svn: 34603
 2007-02-25 19:32:03 +00:00
Reid Spencer a7bd1d0b04 Fix clearUnusedBits to not depend on "undefined behavior" of >> operator 
when the bit size is equal to the word size. This happens to work out okay
on x86, but might not on other platforms. The change just detects when
there are no bits to clear (because BitWidth is a multiple of the word size)
and returns early.

Also, move some comments from .cpp file into header.

llvm-svn: 34602
 2007-02-25 19:26:01 +00:00
Chris Lattner 84ab9a556c one important bugfix: PPC32 didn't have both elf and macho support for 
external symbols and global addresses.  Add the missing ones.

one important workaround: PPCISD::CALL is matched by both PPCcall_ELF
and PPCcall_Macho, disable the _ELF patterns for now.

llvm-svn: 34601
 2007-02-25 19:20:53 +00:00
Chris Lattner 93a7145ebe add -enable-eh 
llvm-svn: 34600
 2007-02-25 18:50:48 +00:00
Chris Lattner 8c504cf9a0 optimize duplicate ValueMap lookups 
llvm-svn: 34599
 2007-02-25 18:40:32 +00:00
Dale Johannesen c2f3d015e0 cosmetic changes from review of last patch. obvious 
llvm-svn: 34598
 2007-02-25 18:31:31 +00:00
Evan Cheng 38fd9b074f A couple of more places where a register liveness has been extended and its last kill should be updated accordingly. 
llvm-svn: 34597
 2007-02-25 09:51:27 +00:00
Evan Cheng fb2333a333 Add an assertion. 
llvm-svn: 34596
 2007-02-25 09:47:31 +00:00
Evan Cheng 0577b51538 Fix a couple of bugs related IsDead back propagation during coalescing. 
llvm-svn: 34595
 2007-02-25 09:46:31 +00:00
Evan Cheng e54eb80720 If the liveinterval of the source instruction has been extended, remove the IsKill marker. 
llvm-svn: 34594
 2007-02-25 09:41:59 +00:00
Evan Cheng 220a7af107 Only add liveinterval to livein set if it isn't assigned a stack slot. 
llvm-svn: 34593
 2007-02-25 09:39:02 +00:00
Chris Lattner fcee9b5568 fastcc functions that return double values now return them in xmm0 on x86-32. 
This implements CodeGen/X86/fp-stack-ret.ll:test[23]

llvm-svn: 34592
 2007-02-25 09:31:16 +00:00
Chris Lattner 2b8b520e53 verify that double is returned in XMM0 if the function is fastcc. 
llvm-svn: 34591
 2007-02-25 09:30:03 +00:00
Chris Lattner 9d9cc84f5b allow vectors to be passed to stdcall/fastcall functions 
llvm-svn: 34590
 2007-02-25 09:14:25 +00:00
Chris Lattner 2fc0d70392 move LowerRET into the 'Return Value Calling Convention Implementation' 
section of the file.

llvm-svn: 34589
 2007-02-25 09:12:39 +00:00
Chris Lattner ba474f58a4 make all Lower*CallTo implementations use LowerCallResult to handle their 
result value stuff.  This eliminates a bunch of duplicated code and now
GetRetValueLocs is the sole place that decides where a value is returned.

llvm-svn: 34588
 2007-02-25 09:10:05 +00:00
Chris Lattner 7802f3e2ea pass the calling convention into Lower*CallTo, instead of using ad-hoc flags. 
llvm-svn: 34587
 2007-02-25 09:06:15 +00:00
Chris Lattner 0cd9960fe7 factor a bunch of code out of LowerCCCCallTo into a new LowerCallResult 
function.  This function now uses GetRetValueLocs to determine *where*
the result values are located and concerns itself with *how* to pull the
values out.

llvm-svn: 34586
 2007-02-25 08:59:22 +00:00
Chris Lattner 3c76309a5b move some code around, pass in calling conv, even though it is unused 
llvm-svn: 34585
 2007-02-25 08:29:00 +00:00
Chris Lattner 387f464121 fold trivial token factor nodes. This allows us to compile 
test/CodeGen/X86/fp-stack-ret.ll into:

        movl 4(%esp), %eax
        fldl (%eax)
        ret

instead of:

        subl $12, %esp
        movl 16(%esp), %eax
        movsd (%eax), %xmm0
        movsd %xmm0, (%esp)
        fldl (%esp)
        addl $12, %esp
        ret

by eliminating a token factor that blocked a check.

llvm-svn: 34584
 2007-02-25 08:24:27 +00:00
Chris Lattner 26ef86b6fe new testcase 
llvm-svn: 34583
 2007-02-25 08:23:01 +00:00
Chris Lattner dfda38f7dc simplify result value lowering by splitting the selection of *where* to return 
registers out from the logic of *how* to return them.

This changes X86-64 to mark EAX live out when returning a 32-bit value,
where before it marked RAX liveout.

llvm-svn: 34582
 2007-02-25 08:15:11 +00:00
Reid Spencer 28555779b4 Allow this to compile now that the header file is checked in. 
llvm-svn: 34581
 2007-02-25 07:30:14 +00:00
Reid Spencer 16f043a12a Add a private constructor for efficiency. 
llvm-svn: 34580
 2007-02-25 07:29:03 +00:00
Chris Lattner d6b853ad1b make void-return not a special case 
llvm-svn: 34579
 2007-02-25 07:18:38 +00:00
Chris Lattner 35a08551a5 eliminate a bunch more temporary vectors from X86 lowering. 
llvm-svn: 34578
 2007-02-25 07:10:00 +00:00
Chris Lattner e56fef9b51 eliminate temporary vectors created during X86 lowering. 
llvm-svn: 34577
 2007-02-25 06:40:16 +00:00
Chris Lattner 84141d4e99 remove std::vector's in RET lowering. 
llvm-svn: 34576
 2007-02-25 06:21:57 +00:00
Chris Lattner 64b8352586 verify i128 return on x86-64 continues to codegen optimally. 
llvm-svn: 34575
 2007-02-25 06:06:49 +00:00
Chris Lattner 43df5b335c implement support for the linux/ppc function call ABI. Patch by 
Nicolas Geoffray!

llvm-svn: 34574
 2007-02-25 05:34:32 +00:00
Chris Lattner b9bd34f54a Add XLForm_1_ext template, patch by Nicolas Geoffray. 
llvm-svn: 34573
 2007-02-25 05:07:49 +00:00
Chris Lattner 249edb8b67 Improve JIT support for linux/ppc: Patch by Nicolas Geoffray! 
llvm-svn: 34572
 2007-02-25 05:04:13 +00:00
Chris Lattner 4ae31ba82c this doesn't compile, disable it 
llvm-svn: 34571
 2007-02-25 02:32:44 +00:00
Chris Lattner 2350056dba remove these. 
llvm-svn: 34570
 2007-02-25 02:28:21 +00:00