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Commit Graph

30695 Commits

Author SHA1 Message Date
Evan Cheng
65d69fe08d Use SmallSet instead of std::set.
llvm-svn: 35133
2007-03-17 08:53:30 +00:00
Evan Cheng
8552300ab1 If sdisel has decided to sink GEP index expression into any BB. Replace all uses
in that BB.

llvm-svn: 35132
2007-03-17 08:22:49 +00:00
Evan Cheng
283468b827 GEP index sink test case.
llvm-svn: 35131
2007-03-17 03:18:32 +00:00
Devang Patel
f215bd701b Test case for X86 inline asm constraint 'I'
llvm-svn: 35130
2007-03-17 00:14:52 +00:00
Devang Patel
2dabb16eac Support 'I' inline asm constraint.
llvm-svn: 35129
2007-03-17 00:13:28 +00:00
Lauro Ramos Venancio
f756184c5e Only ARMv6 has BSWAP.
Fix MultiSource/Applications/aha test.

llvm-svn: 35128
2007-03-16 22:54:16 +00:00
Evan Cheng
77099bef05 Turn on GEP index sinking by default.
llvm-svn: 35127
2007-03-16 18:32:30 +00:00
Evan Cheng
449900b988 Stupid bug.
llvm-svn: 35126
2007-03-16 17:50:20 +00:00
Bill Wendling
8ced23ee5a And now support for MMX logical operations.
llvm-svn: 35125
2007-03-16 09:44:46 +00:00
Evan Cheng
c3e7d4b884 Sink a binary expression into its use blocks if it is a loop invariant
computation used as GEP indexes and if the expression can be folded into
target addressing mode of GEP load / store use types.

llvm-svn: 35123
2007-03-16 08:46:27 +00:00
Evan Cheng
4858c6f781 Added isLegalAddressExpression(). Only allows X +/- C for now.
llvm-svn: 35122
2007-03-16 08:43:56 +00:00
Evan Cheng
ce8b779c6c Added isLegalAddressExpression hook to test if the given expression can be
folded into target addressing mode for the given type.

llvm-svn: 35121
2007-03-16 08:42:32 +00:00
Evan Cheng
0408dc0d37 These forward declarations are not needed.
llvm-svn: 35120
2007-03-16 08:41:06 +00:00
Nick Lewycky
de44438e24 Add more comments and update to new asm syntax.
Add new micro-optimizations.

Add icmp predicate snuggling. Given %x ULT 4, "icmp ugt %x, 2" becomes
"icmp eq %x, 3". This doesn't apply in any non-trivial cases yet due to missing
support for NE values in ValueRanges.

llvm-svn: 35119
2007-03-16 02:37:39 +00:00
Bill Wendling
feaff80149 Multiplication support for MMX.
llvm-svn: 35118
2007-03-15 21:24:36 +00:00
Evan Cheng
ab9145d617 Debugging output stuff.
llvm-svn: 35117
2007-03-15 21:19:28 +00:00
Reid Spencer
cb3d63d07c Regenerate.
llvm-svn: 35116
2007-03-15 03:26:42 +00:00
Reid Spencer
fa12fdc543 Revert last changes as they introduced other problems.
llvm-svn: 35115
2007-03-15 03:25:34 +00:00
Evan Cheng
1464c63d5d ARM isel should match ldr x +/- x * (2^n) to ldr [x, +/- x, lsl #log2(n)].
llvm-svn: 35114
2007-03-14 23:26:40 +00:00
Reid Spencer
ce9e3ade3a Regenerate.
llvm-svn: 35113
2007-03-14 23:13:06 +00:00
Reid Spencer
04cb556bca The sign information was not propagating into the rename map so only the
last entry stored in the map could be retrieved for a given integer type.
Propagating the sign information required an invasive change to ensure that
all ValueRef (ValID) instances get the right sign information as well. Also,
put in some assertions to ensure the RenameMap always gives us out the type
that is expected.

This fixes PR1256 and
test/Assembler/2007-03-14-UgpradeLocalSignless.ll

llvm-svn: 35112
2007-03-14 23:11:45 +00:00
Reid Spencer
bf9ab59940 For PR1256:
Carry sign with ValID and make TypeInfo sortable (useful in a map).

llvm-svn: 35111
2007-03-14 23:08:04 +00:00
Reid Spencer
a8d6ff8dc9 Test case for PR1256.
llvm-svn: 35110
2007-03-14 23:07:24 +00:00
Evan Cheng
dc6ba035bc Estimate a cost using the possible number of scratch registers required and use
it as a late BURR scheduling tie-breaker.
Intuitively, it's good to push down instructions whose results are liveout so
their long live ranges won't conflict with other values which are needed inside
the BB. Further prioritize liveout instructions by the number of operands which
are calculated within the BB.

llvm-svn: 35109
2007-03-14 22:43:40 +00:00
Evan Cheng
00edaa08b5 Under X86-64 large code model, do not emit 32-bit pc relative calls.
llvm-svn: 35108
2007-03-14 22:11:11 +00:00
Evan Cheng
fc80b5b712 Notes about codegen issues.
llvm-svn: 35107
2007-03-14 21:03:53 +00:00
Duncan Sands
b3cbeb6a4a Test that the size of a view converted object is determined by the target
type, not the source type.

llvm-svn: 35106
2007-03-14 20:24:53 +00:00
Evan Cheng
50a0af3b57 Clean up.
llvm-svn: 35105
2007-03-14 20:20:19 +00:00
Evan Cheng
2617c8dd3a Oops.
llvm-svn: 35104
2007-03-14 19:44:58 +00:00
Jim Laskey
cfed9526c1 Change e-mail address.
llvm-svn: 35103
2007-03-14 19:32:21 +00:00
Jim Laskey
f19a75ee27 Add link to exception handling.
llvm-svn: 35102
2007-03-14 19:31:19 +00:00
Jim Laskey
fd20d94dda Adding credit for PPC changes.
llvm-svn: 35101
2007-03-14 19:30:33 +00:00
Jim Laskey
9d1939dc2d First draft of exception handling doc.
llvm-svn: 35100
2007-03-14 19:29:42 +00:00
Jeff Cohen
c9e2aa16cb Make older versions of bison happy.
llvm-svn: 35099
2007-03-14 15:27:17 +00:00
Jeff Cohen
b19ec59b5c Fix for VS 2005 problem supplied by Morten Ofstad.
llvm-svn: 35098
2007-03-14 15:25:21 +00:00
Evan Cheng
371b8e8fa9 X86-64 JIT is in large code model. Need stubs for direct calls.
llvm-svn: 35097
2007-03-14 10:51:55 +00:00
Evan Cheng
1092e481ce x86-64 JIT stub codegen.
llvm-svn: 35096
2007-03-14 10:48:08 +00:00
Evan Cheng
15de6714a4 Preliminary support for X86-64 JIT stub codegen.
llvm-svn: 35095
2007-03-14 10:44:30 +00:00
Zhou Sheng
5c6399dab7 ShiftAmt might equal to zero. Handle this situation.
llvm-svn: 35094
2007-03-14 09:07:33 +00:00
Zhou Sheng
4415c2647e Enable KnownZero/One.clear().
llvm-svn: 35093
2007-03-14 03:21:24 +00:00
Evan Cheng
0fe7224a46 New test.
llvm-svn: 35091
2007-03-13 23:31:47 +00:00
Evan Cheng
64f09e6241 This got better.
llvm-svn: 35090
2007-03-13 23:26:41 +00:00
Evan Cheng
399f56eac2 Try schedule def + use closer whne Sethi-Ullman numbers are the same.
e.g.
t1 = op t2, c1
t3 = op t4, c2
and the following instructions are both ready.
t2 = op c3
t4 = op c4

Then schedule t2 = op first.
i.e.
t4 = op c4
t2 = op c3
t1 = op t2, c1
t3 = op t4, c2

This creates more short live intervals which work better with the register
allocator.

llvm-svn: 35089
2007-03-13 23:25:11 +00:00
Evan Cheng
7cbde8351a AM2 can match 2^n +/- 1. e.g. ldr r3, [r2, r2, lsl #2]
llvm-svn: 35088
2007-03-13 21:05:54 +00:00
Evan Cheng
7b24b3e474 Zero is always a legal AM immediate.
llvm-svn: 35087
2007-03-13 20:37:59 +00:00
Evan Cheng
bd964bd8eb Correct type info for isLegalAddressImmediate() check.
llvm-svn: 35086
2007-03-13 20:34:37 +00:00
Duncan Sands
c56601a219 Test support for arrays with non-zero first index.
llvm-svn: 35084
2007-03-13 15:12:35 +00:00
Nicolas Geoffray
9c77df75ea Stack and register alignment of call arguments in the ELF ABI
llvm-svn: 35083
2007-03-13 15:02:46 +00:00
Chris Lattner
efc2339bd7 ifdef out some dead code.
Fix PR1244 and Transforms/InstCombine/2007-03-13-CompareMerge.ll

llvm-svn: 35082
2007-03-13 14:27:42 +00:00
Chris Lattner
0f75a6cc7f testcase for PR1244
llvm-svn: 35081
2007-03-13 14:25:35 +00:00