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16143 Commits

Author SHA1 Message Date
Chris Lattner
5be662505e this logic is broken for trunc to bool, replace the folding logic for trunc 
completely, as it is trivial.  We should probably do this for the rest of the
cast operations.  This fixes ConstProp/2006-12-01-TruncBoolBug.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32081 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 19:22:41 +00:00
Chris Lattner
68329b2187 add a new ConstantIntegral::get method. Simplify the implementation of 
ConstantInt::get


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32080 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 19:20:02 +00:00
Evan Cheng
9382e29c1e Copy and paste error. An initialized global cannot be a weak reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32075 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 17:39:22 +00:00
Jim Laskey
fbb74e6941 1. In ppc64 mode we need only use one GPR. 
2. Float values need to be promoted to double when they are vararg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32074 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 16:30:47 +00:00
Jim Laskey
45e507ca9b ExternalWeak case in wrong location. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32073 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 14:37:39 +00:00
Evan Cheng
32644ac67c Fix 2005-05-08-FPStackifierPHI.ll failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32071 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 10:11:51 +00:00
Evan Cheng
81cf60fceb A initialized global variable cannot be extern weak. However, if a global value's initializer is itself a external weak symbol, emit the weak reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32069 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 09:13:26 +00:00
Evan Cheng
1c45a66873 Darwin PPC external weak linkage support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32068 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 07:56:37 +00:00
Evan Cheng
6d7d310519 Minor code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32067 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 07:38:23 +00:00
Evan Cheng
de97f9cd22 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32066 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 07:17:00 +00:00
Evan Cheng
f532c4fc15 Darwin X86 external weak linkage support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32065 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 07:15:24 +00:00
Chris Lattner
7da3bde866 Fix a typo introduced by the cast patch that horribly broke a lot of vector 
code.  Testcase here: Transforms/ConstProp/2006-11-30-vector-cast.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32062 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 05:55:25 +00:00
Reid Spencer
b8611ec8bc Don't fold "ptrtoint GV to bool" since this should be doing a truncate not 
a comparison against zero. Instead fold setne(GV,null) and seteq(GV,null)
to ConstantBool::True or ConstantBool::False, respectively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32060 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 03:56:30 +00:00
Chris Lattner
70fa493613 Fix the CodeGen/PowerPC/vec_constants.ll regression. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32057 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 01:45:39 +00:00
Reid Spencer
481169e701 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32053 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 00:33:46 +00:00
Anton Korobeynikov
78ee7b78c3 Introducing external weak linkage. Darwin codegen should be added later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32052 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 00:25:12 +00:00
Reid Spencer
44c030a7ee Remove 4 FIXMEs to hack around cast-to-bool problems which no longer exist. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32051 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 23:13:36 +00:00
Anton Korobeynikov
7784ebc239 Factor out GVRequiresExtraLoad() from .h to .cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32048 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 22:42:55 +00:00
Evan Cheng
0085a28d13 - Use a different wrapper node for RIP-relative GV, etc. 
- Proper support for both small static and PIC modes under X86-64
- Some (non-optimal) support for medium modes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32046 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 21:55:46 +00:00
Jim Laskey
2bbff6d173 better check for version 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32045 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 18:29:23 +00:00
Chris Lattner
d0a6a7a030 make it clear that this is always a zext 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32044 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 17:35:08 +00:00
Chris Lattner
6e8fbad675 One more bugfix, 3 cases of making casts explicit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32043 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 17:32:29 +00:00
Chris Lattner
9a989f0f97 Fix a bug in globalopt due to the recent cast patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32042 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 17:26:08 +00:00
Jim Laskey
2172f966ca Change global descriptor names to provide name, full name and linkage name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32036 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 14:35:45 +00:00
Jim Laskey
749b01d5ff Temp fix to deal gdb issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32035 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 11:09:42 +00:00
Evan Cheng
12a447898a MachineInstr::setOpcode -> MachineInstr::setInstrDescriptor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32034 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 07:12:03 +00:00
Evan Cheng
6430bf0449 Remove the ugly SPARCV9 TargetInstrDescriptors hack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32033 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 07:10:43 +00:00
Evan Cheng
67f660cb08 - MachineInstr now keeps a ptr to TargetInstrDescriptor instead of Opcode. 
- Remove the ugly TargetInstrDescriptors hack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32032 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 07:08:44 +00:00
Evan Cheng
c8306bde15 In PIC mode, GV not requiring an extra load can be used as address immediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32028 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 23:48:14 +00:00
Evan Cheng
4946399b64 Clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32027 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 23:46:27 +00:00
Evan Cheng
d0ff02cf6f Fix for PR1018 - Better support for X86-64 Linux in small code model. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32026 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 23:19:46 +00:00
Chris Lattner
15eb329dae Fix bug codegen'ing FP constant vectors with integer splats. Make sure the 
created intrinsics have the right integer types.  This fixes
PowerPC/2006-11-29-AltivecFPSplat.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32024 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 19:58:49 +00:00
Evan Cheng
6a16c5ab2d Avoid inifinite looping if READCYCLECOUNTER isn't custom lowered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32022 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 19:13:47 +00:00
Jim Laskey
36729ddd23 Eliminate unnecessary scopes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32020 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 16:55:57 +00:00
Jim Laskey
619965d32e Offset for load of 32-bit arg in 64-bit world was incorrect. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32019 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 13:37:09 +00:00
Evan Cheng
3fa9dff2c9 Custom lower READCYCLECOUNTER for x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32017 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 08:28:13 +00:00
Evan Cheng
f0b3ba6752 Allow target to custom lower READCYCLECOUNTER (when it doesn't have to be expanded). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32016 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 08:26:18 +00:00
Chris Lattner
641c523599 done 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32013 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 07:21:46 +00:00
Chris Lattner
46b96055cf implement cast.ll:test35. With this, we recognize: 
unsigned short swp(unsigned short a) {
       return ((a & 0xff00) >> 8 | (a & 0x00ff) << 8);
}

as an idiom for bswap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32011 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 07:18:39 +00:00
Chris Lattner
6aa5eb19d5 Teach instcombine to turn trunc(srl x, c) -> srl (trunc(x), c) when safe. 
This implements InstCombine/cast.ll:test34.  It fires hundreds of times on
176.gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32009 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 07:04:07 +00:00
Chris Lattner
458cf462ef Implement Regression/Transforms/InstCombine/bswap-fold.ll, 
folding   seteq (bswap(x)), c -> seteq(x,bswap(c))


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32006 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 05:02:16 +00:00
Evan Cheng
b4809b2b8f 16-byte stack alignment for X86-64 ELF. Patch by Dan Gohman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32004 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 02:00:40 +00:00
Evan Cheng
f3e486e069 Fix for PR1023 by Dan Gohman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32003 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 01:58:12 +00:00
Chris Lattner
5d52135a14 Upgrade the ugly darwin 64-bit bswap idiom (bswap %eax / bswap %edx / 
xchgl %eax, %edx) to llvm.bswap.i64.  This compiles:

long long test2(long long A) {
  return _OSSwapInt64(A);
}

to:

_test2:
        movl 8(%esp), %eax
        movl 4(%esp), %edx
        bswapl %eax
        bswapl %edx
        ret

instead of:

_test2:
        movl 8(%esp), %edx
        movl 4(%esp), %eax
        bswap   %eax
        bswap   %edx
        xchgl   %eax, %edx
        ret

GCC manages (with -fomit-frame-pointer) the uglier:

_test2:
        subl    $4, %esp
        movl    8(%esp), %eax
        movl    12(%esp), %edx
        bswap   %eax
        bswap   %edx
        xchgl   %eax, %edx
        addl    $4, %esp
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32001 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 01:48:01 +00:00
Evan Cheng
a5a57d66f5 Fix for PR1022 (folding loads of static initializers) by Dan Gohman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32000 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 01:38:07 +00:00
Chris Lattner
625bd052a3 Trivially lower 'bswap $0' into llvm.bswap. This fixes hexxagon with the 
JIT on darwin/x86, which has htonl implemented as inline asm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31999 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 01:14:06 +00:00
Bill Wendling
8d89281989 WTF? These weird newlines got in there... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31998 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 01:14:00 +00:00
Chris Lattner
3f7927c84c add a hook to allow targets to hack on inline asms to lower them to llvm 
when they want to.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31997 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 01:12:32 +00:00
Reid Spencer
de33124aa3 Join a split line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31996 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 01:11:01 +00:00
Bill Wendling
bdc679d564 Converted to using llvm streams instead of <iostream>s 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31992 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 00:39:47 +00:00