Chris Lattner [Tue, 6 Sep 2005 04:07:15 +0000 (04:07 +0000)]
Add a requirement, patch contributed by Henrik Bach.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23242
91177308-0d34-0410-b5e6-
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Andrew Lenharth [Sun, 4 Sep 2005 06:12:19 +0000 (06:12 +0000)]
revert part of the last change, should fix regressions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23241
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Chris Lattner [Sat, 3 Sep 2005 01:28:40 +0000 (01:28 +0000)]
explicitly specify an operands list for patterns with inputs (e.g. neg)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23240
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 3 Sep 2005 01:17:22 +0000 (01:17 +0000)]
include the dag isel fragment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23239
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 3 Sep 2005 01:15:41 +0000 (01:15 +0000)]
ask for a dag isel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23238
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 3 Sep 2005 01:15:25 +0000 (01:15 +0000)]
allow for a target to ask for a dag isel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23237
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 3 Sep 2005 01:14:03 +0000 (01:14 +0000)]
Add an option and stuff implementation of a dag isel emitter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23236
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 3 Sep 2005 01:04:40 +0000 (01:04 +0000)]
Fix a checking failure in gs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23235
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 3 Sep 2005 00:53:47 +0000 (00:53 +0000)]
Change the isel to not break out of the big giant switch. Instead, the
switch should never be exited, so its bottom is now unreachable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23234
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 3 Sep 2005 00:21:51 +0000 (00:21 +0000)]
rearrange logical ops to group them together more consistently.
Define the PatFrag class which can be used to define subpatterns to match
things with. Define 'not', and use it to define the patterns for andc,
nand, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23233
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 2 Sep 2005 22:35:53 +0000 (22:35 +0000)]
Add AND/OR/XOR
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23232
91177308-0d34-0410-b5e6-
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Nate Begeman [Fri, 2 Sep 2005 21:18:40 +0000 (21:18 +0000)]
Next round of DAG Combiner changes. Just need to support multiple return
values, and then we should be able to hook it up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23231
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 2 Sep 2005 21:18:00 +0000 (21:18 +0000)]
Add some initial patterns to simple binary instructions, though they
currently don't do anything. This elides patterns for binary operators
that ping on the carry flag, since we don't model it yet.
This patch also removes PPC::SUB, because it is dead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23230
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Chris Lattner [Fri, 2 Sep 2005 20:32:45 +0000 (20:32 +0000)]
Clean up some code from the last checkin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23229
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 2 Sep 2005 20:26:58 +0000 (20:26 +0000)]
Fix a bug in legalize where it would emit two calls to libcalls that return
i64 values on targets that need that expanded to 32-bit registers. This fixes
PowerPC/2005-09-02-LegalizeDuplicatesCalls.ll and speeds up 189.lucas from
taking 122.72s to 81.96s on my desktop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23228
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Chris Lattner [Fri, 2 Sep 2005 20:24:10 +0000 (20:24 +0000)]
Test that converting from double to int64 results in one libcall, not one
and a dead one. This is a legalize bug
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23227
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Chris Lattner [Fri, 2 Sep 2005 19:53:54 +0000 (19:53 +0000)]
turn on dag isel by default
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23226
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Chris Lattner [Fri, 2 Sep 2005 19:36:17 +0000 (19:36 +0000)]
Make sure to auto-cse nullary ops
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23224
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Chris Lattner [Fri, 2 Sep 2005 19:35:42 +0000 (19:35 +0000)]
add a map for nullary ops
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23223
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Jim Laskey [Fri, 2 Sep 2005 19:27:43 +0000 (19:27 +0000)]
Add help support for -mcpu and -mattr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23222
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Chris Lattner [Fri, 2 Sep 2005 19:15:44 +0000 (19:15 +0000)]
Fix some buggy logic where we would try to remove nodes with two operands
from the binary ops map, even if they had multiple results. This latent bug
caused a few failures with the dag isel last night.
To prevent stuff like this from happening in the future, add some really
strict checking to make sure that the CSE maps always match up with reality!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23221
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Andrew Lenharth [Fri, 2 Sep 2005 18:46:02 +0000 (18:46 +0000)]
Pull out Lowering in preperation for multiple ISels. Oh, and get rid of some stuff
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23220
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Chris Lattner [Fri, 2 Sep 2005 18:41:28 +0000 (18:41 +0000)]
Don't create zero sized stack objects even for array allocas with a zero
number of elements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23219
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Chris Lattner [Fri, 2 Sep 2005 18:33:05 +0000 (18:33 +0000)]
Decouple fsqrt from gpul optimizations, implementing fsqrt.ll.
Remove the -enable-gpopt option which is subsumed by feature flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23218
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Chris Lattner [Fri, 2 Sep 2005 18:32:22 +0000 (18:32 +0000)]
new testcase to ensure fsqrt is generated for correct subtargets only, and
that the fsqrt feature works.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23217
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Chris Lattner [Fri, 2 Sep 2005 18:16:20 +0000 (18:16 +0000)]
Move a bunch of non-deprecated methods above the "deprecated line"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23216
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Chris Lattner [Fri, 2 Sep 2005 07:09:28 +0000 (07:09 +0000)]
Fix the release build, noticed by Eric van Riet Paap
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23215
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Chris Lattner [Fri, 2 Sep 2005 07:07:58 +0000 (07:07 +0000)]
Fix a problem that Dan Berlin noticed, where reassociation would not succeed
in building maximal expressions before simplifying them. In particular, i
cases like this:
X-(A+B+X)
the code would consider A+B+X to be a maximal expression (not understanding
that the single use '-' would be turned into a + later), simplify it (a noop)
then later get simplified again.
Each of these simplify steps is where the cost of reassociation comes from,
so this patch should speed up the already fast pass a bit.
Thanks to Dan for noticing this!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23214
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Chris Lattner [Fri, 2 Sep 2005 06:38:04 +0000 (06:38 +0000)]
Avoid creating garbage instructions, just move the old add instruction
to where we need it when converting -(A+B+C) -> -A + -B + -C.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23213
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 2 Sep 2005 06:12:12 +0000 (06:12 +0000)]
new testcase for recent bugfix
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23212
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Chris Lattner [Fri, 2 Sep 2005 05:23:22 +0000 (05:23 +0000)]
add some assertions and fix problems where reassociate could access the
Ops vector out of range
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23211
91177308-0d34-0410-b5e6-
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Jeff Cohen [Fri, 2 Sep 2005 02:51:42 +0000 (02:51 +0000)]
Fix VC++ build errors
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23210
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Chris Lattner [Fri, 2 Sep 2005 01:24:55 +0000 (01:24 +0000)]
Restore this patch now that the latent bug has been fixed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23209
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 2 Sep 2005 01:15:01 +0000 (01:15 +0000)]
Make sure to legalize assert[zs]ext's operand correctly
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23208
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 2 Sep 2005 00:47:05 +0000 (00:47 +0000)]
Revert the previous patch which causes a mysterious regression in toast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23207
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Chris Lattner [Fri, 2 Sep 2005 00:20:32 +0000 (00:20 +0000)]
Teach live intervals to not crash on dead livein regs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23206
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Chris Lattner [Fri, 2 Sep 2005 00:19:37 +0000 (00:19 +0000)]
For values that are live across basic blocks and need promotion, use ANY_EXTEND
instead of ZERO_EXTEND to eliminate extraneous extensions. This eliminates
dead zero extensions on formal arguments and other cases on PPC, implementing
the newly tightened up test/Regression/CodeGen/PowerPC/small-arguments.ll test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23205
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Chris Lattner [Fri, 2 Sep 2005 00:18:10 +0000 (00:18 +0000)]
legalize ANY_EXTEND appropriately
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23204
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Chris Lattner [Fri, 2 Sep 2005 00:17:32 +0000 (00:17 +0000)]
Add support for ANY_EXTEND and add a few minor folds for it
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23203
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Chris Lattner [Fri, 2 Sep 2005 00:16:09 +0000 (00:16 +0000)]
Handle any_extend like zext
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23202
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Chris Lattner [Fri, 2 Sep 2005 00:15:30 +0000 (00:15 +0000)]
Handle ANY_EXTEND like ZERO_EXTEND. Simplify the extend/truncate code on
the observation that it only has to handle i1 -> i64 and i64 -> i1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23201
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Chris Lattner [Fri, 2 Sep 2005 00:14:40 +0000 (00:14 +0000)]
Add a new ANY_EXTEND node, which operates like an extension but has undefined
top bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23200
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Chris Lattner [Fri, 2 Sep 2005 00:13:56 +0000 (00:13 +0000)]
This should permit NOT and's, not even dead ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23199
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Chris Lattner [Thu, 1 Sep 2005 23:44:32 +0000 (23:44 +0000)]
Implement small-arguments.ll:test3 by teaching the DAG optimizer that
the results of calls to functions returning small values are properly
sign/zero extended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23198
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Chris Lattner [Thu, 1 Sep 2005 23:43:58 +0000 (23:43 +0000)]
Another case that shouldn't have sign extends: functions returning short
are known to return properly sign extended values, no need for an explicit
extension.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23197
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Nate Begeman [Thu, 1 Sep 2005 23:25:49 +0000 (23:25 +0000)]
Fix some code in the current node combining code, spotted when it was moved
over to DAGCombiner.cpp
1. Don't assume that SetCC returns i1 when folding (xor (setcc) constant)
2. Don't duplicate code in folding AND with AssertZext that is handled by
MaskedValueIsZero
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23196
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Nate Begeman [Thu, 1 Sep 2005 23:24:04 +0000 (23:24 +0000)]
Implement first round of feedback from chris (there's still a couple things
left to do).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23195
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Chris Lattner [Thu, 1 Sep 2005 23:08:50 +0000 (23:08 +0000)]
Align functions to 16-byte boundaries, to eliminate noise in performance measurements. This improves the performance of 'treeadd' by about 20% with the dag
isel, restoring it to the pattern-isel level (which happens to get the alignment right).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23194
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Chris Lattner [Thu, 1 Sep 2005 21:48:35 +0000 (21:48 +0000)]
Local labels on darwin apparently start with just 'L', not .L like other
platforms. This reduces executable size and makes shark realize the actual
bounds of functions instead of showing each MBB as a function :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23193
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Jim Laskey [Thu, 1 Sep 2005 21:38:21 +0000 (21:38 +0000)]
1. Use SubtargetFeatures in llc/lli.
2. Propagate feature "string" to all targets.
3. Implement use of SubtargetFeatures in PowerPCTargetSubtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23192
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Jim Laskey [Thu, 1 Sep 2005 21:36:18 +0000 (21:36 +0000)]
This new class provides support for platform specific "features". The intent
is to manage processor specific attributes from the command line. See examples
of use in llc/lli and PowerPCTargetSubtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23191
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Chris Lattner [Thu, 1 Sep 2005 21:31:30 +0000 (21:31 +0000)]
Implement dynamic allocas correctly. In particular, because we were copying
directly out of R1 (without using a CopyFromReg, which uses a chain), multiple
allocas were getting CSE'd together, producing bogus code. For this:
int %foo(bool %X, int %A, int %B) {
br bool %X, label %T, label %F
F:
%G = alloca int
%H = alloca int
store int %A, int* %G
store int %B, int* %H
%R = load int* %G
ret int %R
T:
ret int 0
}
We were generating:
_foo:
stwu r1, -16(r1)
stw r31, 4(r1)
or r31, r1, r1
stw r1, 12(r31)
cmpwi cr0, r3, 0
bne cr0, .LBB_foo_2 ; T
.LBB_foo_1: ; F
li r2, 16
subf r2, r2, r1 ;; One alloca
or r1, r2, r2
or r3, r1, r1
or r1, r2, r2
or r2, r1, r1
stw r4, 0(r3)
stw r5, 0(r2)
lwz r3, 0(r3)
lwz r1, 12(r31)
lwz r31, 4(r31)
lwz r1, 0(r1)
blr
.LBB_foo_2: ; T
li r3, 0
lwz r1, 12(r31)
lwz r31, 4(r31)
lwz r1, 0(r1)
blr
Now we generate:
_foo:
stwu r1, -16(r1)
stw r31, 4(r1)
or r31, r1, r1
stw r1, 12(r31)
cmpwi cr0, r3, 0
bne cr0, .LBB_foo_2 ; T
.LBB_foo_1: ; F
or r2, r1, r1
li r3, 16
subf r2, r3, r2 ;; Alloca 1
or r1, r2, r2
or r2, r1, r1
or r6, r1, r1
subf r3, r3, r6 ;; Alloca 2
or r1, r3, r3
or r3, r1, r1
stw r4, 0(r2)
stw r5, 0(r3)
lwz r3, 0(r2)
lwz r1, 12(r31)
lwz r31, 4(r31)
lwz r1, 0(r1)
blr
.LBB_foo_2: ; T
li r3, 0
lwz r1, 12(r31)
lwz r31, 4(r31)
lwz r1, 0(r1)
blr
This fixes Povray and SPASS with the dag isel, the last two failing cases.
Tommorow we will hopefully turn it on by default! :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23190
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Chris Lattner [Thu, 1 Sep 2005 19:38:28 +0000 (19:38 +0000)]
Fix a bug where we were useing HA to get the high part, which seems like it
could cause a miscompile. Fixing this didn't fix the two programs that fail
though. :(
This also changes the implementation to follow the pattern selector more
closely, causing us to select 0 to li instead of lis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23189
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 1 Sep 2005 19:20:44 +0000 (19:20 +0000)]
Do not select the operands being passed into SelectCC. IT does this itself
and selecting early prevents folding immediates into the cmpw* instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23188
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 1 Sep 2005 18:44:10 +0000 (18:44 +0000)]
It is NDEBUG not _NDEBUG
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23186
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Nate Begeman [Thu, 1 Sep 2005 00:33:32 +0000 (00:33 +0000)]
Add the rest of the currently implemented visit routines to the switch
statement in visit().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23185
91177308-0d34-0410-b5e6-
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Nate Begeman [Thu, 1 Sep 2005 00:19:25 +0000 (00:19 +0000)]
First pass at the DAG Combiner. It isn't used anywhere yet, but it should
be mostly functional. It currently has all folds from SelectionDAG.cpp
that do not involve a condition code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23184
91177308-0d34-0410-b5e6-
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Nate Begeman [Thu, 1 Sep 2005 00:04:03 +0000 (00:04 +0000)]
Add regression test for efficient codegen of i32 x i32 -> hi32(i64) as
mulhs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23183
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 31 Aug 2005 22:49:51 +0000 (22:49 +0000)]
remove an inappropriate comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23182
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 31 Aug 2005 22:34:59 +0000 (22:34 +0000)]
If a function has live ins/outs, print them
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23181
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 31 Aug 2005 21:09:52 +0000 (21:09 +0000)]
Move FCTIWZ handling out of the instruction selectors and into legalization,
getting them out of the business of making stack slots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23180
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 31 Aug 2005 20:25:15 +0000 (20:25 +0000)]
Remove dead code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23179
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 31 Aug 2005 20:23:54 +0000 (20:23 +0000)]
Move SHL,SHR i64 -> legalizer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23178
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 31 Aug 2005 19:11:36 +0000 (19:11 +0000)]
Remove code that is now dead from the pattern isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23177
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 31 Aug 2005 19:09:57 +0000 (19:09 +0000)]
lower sra_parts on the dag, implementing it for the dag isel, and exposing
the ops to dag optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23176
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 31 Aug 2005 19:01:53 +0000 (19:01 +0000)]
Allow targets to custom expand shifts that are too large for their registers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23173
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Chris Lattner [Wed, 31 Aug 2005 18:19:50 +0000 (18:19 +0000)]
Add a testcase for nate's patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23172
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Chris Lattner [Wed, 31 Aug 2005 18:08:46 +0000 (18:08 +0000)]
add assert zext/sext to the dag isel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23171
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Chris Lattner [Wed, 31 Aug 2005 17:48:04 +0000 (17:48 +0000)]
Handle AssertSext/AssertZext nodes, fixing the regressions last night.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23170
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Jeff Cohen [Wed, 31 Aug 2005 02:47:06 +0000 (02:47 +0000)]
Fix VC++ precedence warnings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23169
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Nate Begeman [Wed, 31 Aug 2005 01:58:39 +0000 (01:58 +0000)]
Enable generation of AssertSext and AssertZext in the PPC backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23168
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Chris Lattner [Wed, 31 Aug 2005 01:34:29 +0000 (01:34 +0000)]
Fix 'ret long' to return the high and lo parts in the right registers. This
fixes crafty and probably others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23167
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Nate Begeman [Wed, 31 Aug 2005 00:43:49 +0000 (00:43 +0000)]
Sigh, not my day. Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23166
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Nate Begeman [Wed, 31 Aug 2005 00:43:08 +0000 (00:43 +0000)]
Fix a mistake in my previous patch pointed out by sabre; the AssertZext
case in MaskedValueIsZero was wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23165
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Nate Begeman [Wed, 31 Aug 2005 00:27:53 +0000 (00:27 +0000)]
Remove some unnecessary casts, and add the AssertZext case to
MaskedValueIsZero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23164
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Nate Begeman [Wed, 31 Aug 2005 00:25:01 +0000 (00:25 +0000)]
Add support for count trailing zeroes, and population count. These are
needed for folding constants in the upcoming dag combiner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23163
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Chris Lattner [Tue, 30 Aug 2005 22:59:48 +0000 (22:59 +0000)]
now that physregs can exist in the same dag with multiple types, remove some
ugly hacks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23162
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Chris Lattner [Tue, 30 Aug 2005 22:38:38 +0000 (22:38 +0000)]
Allow physregs to occur in the dag with multiple types. Though I don't likethis, it is a requirement on PPC, which can have an f32 value in r3 at onepoint in a function and a f64 value in r3 at another point. :(
This fixes compilation of mesa
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23161
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Chris Lattner [Tue, 30 Aug 2005 22:38:05 +0000 (22:38 +0000)]
Allow physregs to occur in the dag with multiple types. Though I don't like
this, it is a requirement on PPC, which can have an f32 value in r3 at one
point in a function and a f64 value in r3 at another point. :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23160
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Chris Lattner [Tue, 30 Aug 2005 21:28:19 +0000 (21:28 +0000)]
Fix type mismatches when passing f32 values to calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23159
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Chris Lattner [Tue, 30 Aug 2005 21:03:36 +0000 (21:03 +0000)]
When checking the fixed intervals, don't forget to check for register aliases.
This fixes PR621 and Regression/CodeGen/X86/2005-08-30-RegAllocAliasProblem.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23158
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Chris Lattner [Tue, 30 Aug 2005 21:02:51 +0000 (21:02 +0000)]
new testcase corresponding to PR621
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23157
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Chris Lattner [Tue, 30 Aug 2005 18:44:09 +0000 (18:44 +0000)]
The dag isel misses both of these, the pattern isel just misses the second
one. TODO :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23156
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Chris Lattner [Tue, 30 Aug 2005 18:37:48 +0000 (18:37 +0000)]
Fix some indentation (first hunks).
Remove code (last hunk) that miscompiled immediate and's, such as
and uint %tmp.30,
4294958079
into
andi. r8, r8, 56319
andis. r8, r8, 65535
instead of:
li r9, -9217
and r8, r8, r9
The first always generates zero.
This fixes espresso.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23155
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Chris Lattner [Tue, 30 Aug 2005 17:42:59 +0000 (17:42 +0000)]
Fix a problem Nate found where we swapped the operands of SHL/SHR_PARTS. This
fixes fourinarow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23153
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Chris Lattner [Tue, 30 Aug 2005 17:40:13 +0000 (17:40 +0000)]
codegen ADD_PARTS correctly: put the results in the right registers! This
fixes fhourstones
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23152
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Chris Lattner [Tue, 30 Aug 2005 17:21:17 +0000 (17:21 +0000)]
Fix FreeBench/fourinarow with the dag isel, by not adding a bogus result
to SHIFT_PARTS nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23151
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Chris Lattner [Tue, 30 Aug 2005 17:13:58 +0000 (17:13 +0000)]
add operands in the right order, fixing McCat/18-imp with the dag isel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23150
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Chris Lattner [Tue, 30 Aug 2005 16:56:19 +0000 (16:56 +0000)]
Fix a miscompile of PtrDist/bc. Sign extending bools is not the right thing,
at least tends to expose problems elsewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23149
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Nate Begeman [Tue, 30 Aug 2005 02:54:28 +0000 (02:54 +0000)]
Remove a bogus piece of my AssertSext/AssertZext patch. oops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23148
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Nate Begeman [Tue, 30 Aug 2005 02:44:00 +0000 (02:44 +0000)]
Add support for AssertSext and AssertZext, folding other extensions with
them. This allows for elminination of redundant extends in the entry
blocks of functions on PowerPC.
Add support for i32 x i32 -> i64 multiplies, by recognizing when the inputs
to ISD::MUL in ExpandOp are actually just extended i32 values and not real
i64 values. this allows us to codegen
int mulhs(int a, int b) { return ((long long)a * b) >> 32; }
as:
_mulhs:
mulhw r3, r4, r3
blr
instead of:
_mulhs:
mulhwu r2, r4, r3
srawi r5, r3, 31
mullw r5, r4, r5
add r2, r2, r5
srawi r4, r4, 31
mullw r3, r4, r3
add r3, r2, r3
blr
with a similar improvement on x86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23147
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Nate Begeman [Tue, 30 Aug 2005 02:39:32 +0000 (02:39 +0000)]
Add AssertSext, AssertZext nodes for targets that pass arguments in
registers, and the incoming values have already been zero or sign extended
from the appopriate type to the register width.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23146
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Chris Lattner [Tue, 30 Aug 2005 01:58:51 +0000 (01:58 +0000)]
Name this variable to be what it really is!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23145
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Chris Lattner [Tue, 30 Aug 2005 01:57:23 +0000 (01:57 +0000)]
Handle CopyToReg nodes with flag operands correctly
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23144
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Chris Lattner [Tue, 30 Aug 2005 01:57:02 +0000 (01:57 +0000)]
Make sure the selector emits register register copies with flag operands
linking them to calls when appropriate, this prevents the scheduler from
pulling these copies away from the call.
This fixes Ptrdist/yacr2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23143
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Chris Lattner [Tue, 30 Aug 2005 01:56:13 +0000 (01:56 +0000)]
add some method variants
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23142
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Chris Lattner [Tue, 30 Aug 2005 00:59:16 +0000 (00:59 +0000)]
The first operand to AND does not always have more than two operands. This
fixes MediaBench/toast with the dag selector
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23141
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Chris Lattner [Tue, 30 Aug 2005 00:45:18 +0000 (00:45 +0000)]
Fix a bug in my patch for legalizing to fsel. It cannot handle seteq/setne,
which I failed to include when I moved the code over. This fixes
MallocBench/gs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23140
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Chris Lattner [Tue, 30 Aug 2005 00:30:43 +0000 (00:30 +0000)]
emit FMR instructions to convert f64<->f32 instructions, so things like
STOREs, know the right type to store.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23139
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Chris Lattner [Tue, 30 Aug 2005 00:19:00 +0000 (00:19 +0000)]
Fix some really strange indentation that xcode likes to use.
no xcode, this is not right:
if (!foo) break;
X;
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23138
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