Chris Lattner
9dec3a2c0c
These should be rewritten to fold without using the 'Rules' mechanism, but
...
until this happens at least make sext from bool and sitofp from bool do the
right thing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32087 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-01 19:50:54 +00:00
Chris Lattner
5be662505e
this logic is broken for trunc to bool, replace the folding logic for trunc
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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
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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
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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
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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.
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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.
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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.
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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.
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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
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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.
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- 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
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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
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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.
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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.
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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.
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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.
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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
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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.
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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.
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- 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.
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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.
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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.
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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
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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.
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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.
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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.
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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.
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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).
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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
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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:
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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.
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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,
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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.
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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.
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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 /
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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.
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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
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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...
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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
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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.
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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