Bill Wendling
618d422cdd
Just don't transform this memset into "bzero" if no-builtin is specified.
...
llvm-svn: 56888
2008-09-30 22:05:33 +00:00
Bill Wendling
9ad453e943
Add the new `-no-builtin' flag. This flag is meant to mimic the GCC
...
`-fno-builtin' flag. Currently, it's used to replace "memset" with "_bzero"
instead of "__bzero" on Darwin10+. This arguably violates the meaning of this
flag, but is currently sufficient. The meaning of this flag should become more
specific over time.
llvm-svn: 56885
2008-09-30 21:22:07 +00:00
Dan Gohman
5a2169ee6e
Optimize SelectionDAG's AssignTopologicalOrder even further.
...
Completely eliminate the TopOrder std::vector. Instead, sort
the AllNodes list in place. This also eliminates the need to
call AllNodes.size(), a linear-time operation, before
performing the sort.
Also, eliminate the Sources temporary std::vector, since it
essentially duplicates the sorted result as it is being
built.
This also changes the direction of the topological sort
from bottom-up to top-down. The AllNodes list starts out in
roughly top-down order, so this reduces the amount of
reordering needed. Top-down is also more convenient for
Legalize, and ISel needed only minor adjustments.
llvm-svn: 56867
2008-09-30 18:30:35 +00:00
Dan Gohman
b5824675e4
Fix X86FastISel's output for x86-32 PIC constant pool addresses.
...
llvm-svn: 56829
2008-09-30 01:21:32 +00:00
Dan Gohman
c28f40a821
Move the GlobalBaseReg field out of X86ISelDAGToDAG.cpp
...
and X86FastISel.cpp into X86MachineFunction.h, so that it
can be shared, instead of having each selector keep track
of its own.
llvm-svn: 56825
2008-09-30 00:58:23 +00:00
Dan Gohman
e76be890c9
Disable all x87 usage, including f32 and f64 when the subtarget
...
doesn't have SSE(2), with X86FastISel.
llvm-svn: 56823
2008-09-30 00:48:39 +00:00
Dale Johannesen
52987eab6e
Remove misuse of ReplaceNodeResults for atomics with
...
valid types. No functional change.
llvm-svn: 56808
2008-09-29 22:25:26 +00:00
Dan Gohman
c6184c4473
Fix an over-pessimization about GlobalVariable addresses in X86FastISel.
...
llvm-svn: 56802
2008-09-29 21:13:15 +00:00
Evan Cheng
b749199c34
Fix PR2835. Do not change the width of a volatile load.
...
llvm-svn: 56792
2008-09-29 17:26:18 +00:00
Duncan Sands
651eeb4be2
Rename isWeakForLinker to mayBeOverridden. Use it
...
instead of hasWeakLinkage in a bunch of optimization
passes.
llvm-svn: 56782
2008-09-29 11:25:42 +00:00
Evan Cheng
28d9b3a8ad
Re-apply 56683 with fixes.
...
llvm-svn: 56748
2008-09-27 01:56:22 +00:00
Daniel Dunbar
dc1d75b1b5
Unbreak build.
...
llvm-svn: 56727
2008-09-27 00:22:09 +00:00
Devang Patel
47a504c87c
Implement function notes as function attributes.
...
llvm-svn: 56716
2008-09-26 23:51:19 +00:00
Evan Cheng
d63fc80c1e
Implement "punpckldq %xmm0, $xmm0" as "pshufd $0x50, %xmm0, %xmm" unless optimizing for code size.
...
llvm-svn: 56711
2008-09-26 23:41:32 +00:00
Bill Wendling
7273078850
Temporarily reverting r56683. This is causing a failure during the build of llvm-gcc:
...
/Volumes/Gir/devel/llvm/clean/llvm-gcc.obj/./gcc/xgcc -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.obj/./gcc/ -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/bin/ -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/lib/ -isystem /Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/include -isystem /Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/sys-include -mmacosx-version-min=10.4 -O2 -O2 -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Gir/devel/llvm/clean/llvm.obj/include -I/Volumes/Gir/devel/llvm/clean/llvm.src/include -fexceptions -fvisibility=hidden -DHIDE_EXPORTS -c ../../llvm-gcc.src/gcc/unwind-dw2-fde-darwin.c -o libgcc/./unwind-dw2-fde-darwin.o
Assertion failed: (TargetRegisterInfo::isVirtualRegister(regA) && TargetRegisterInfo::isVirtualRegister(regB) && "cannot update physical register live information"), function runOnMachineFunction, file /Volumes/Gir/devel/llvm/clean/llvm.src/lib/CodeGen/TwoAddressInstructionPass.cpp, line 311.
../../llvm-gcc.src/gcc/unwind-dw2.c:1527: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter > for instructions.
{standard input}:3521:non-relocatable subtraction expression, "_dwarf_reg_size_table" minus "L20$pb"
{standard input}:3521:symbol: "_dwarf_reg_size_table" can't be undefined in a subtraction expression
{standard input}:3520:non-relocatable subtraction expression, "_dwarf_reg_size_table" minus "L20$pb"
...
llvm-svn: 56703
2008-09-26 22:10:44 +00:00
Dan Gohman
989db64c93
Rename ConstantSDNode's getSignExtended to getSExtValue, for
...
consistancy with ConstantInt, and re-implement it in terms
of ConstantInt's getSExtValue.
llvm-svn: 56700
2008-09-26 21:54:37 +00:00
Dan Gohman
3bcb327e9c
Mark lea fi# as being really rematerializable.
...
llvm-svn: 56698
2008-09-26 21:30:20 +00:00
Evan Cheng
5ce14d532c
unpckhps requires sse1, punpckhdq requires sse2.
...
llvm-svn: 56697
2008-09-26 21:26:30 +00:00
Dan Gohman
401470e0c7
Fix X86FastISel's address folding to check displacement
...
values for overflow.
llvm-svn: 56686
2008-09-26 20:04:15 +00:00
Evan Cheng
9946443460
Fix @llvm.frameaddress codegen. FP elimination optimization should be disabled when frame address is desired. Also add support for depth > 0.
...
llvm-svn: 56683
2008-09-26 19:48:35 +00:00
Dale Johannesen
3f62c40108
Add "inreg" field to CallSDNode (doesn't increase
...
its size). Adjust various lowering functions to
pass this info through from CallInst. Use it to
implement sseregparm returns on X86. Remove
X86_ssecall calling convention.
llvm-svn: 56677
2008-09-26 19:31:26 +00:00
Dan Gohman
56b0c33a9d
Factor out the code for determining when symblic addresses
...
require RIP-relative addressing and use it to fix a bug
in X86FastISel in x86-64 PIC mode, where it was trying to
use base/index registers with RIP-relative addresses. This
fixes a bunch of x86-64 testsuite failures.
llvm-svn: 56676
2008-09-26 19:15:30 +00:00
Evan Cheng
b4d6625c85
Avoid spilling EBP / RBP twice in the prologue.
...
llvm-svn: 56675
2008-09-26 19:14:21 +00:00
Evan Cheng
0d612aad67
X86 address displacement field must be interpreted as a 32-bit value.
...
llvm-svn: 56665
2008-09-26 16:58:16 +00:00
Oscar Fuentes
65859a84d0
CMake: Builds all targets.
...
llvm-svn: 56641
2008-09-26 04:40:32 +00:00
Dan Gohman
37bd5a0d40
Disable support for x86_f80 in X86FastISel. Supporting it would
...
require more work.
llvm-svn: 56637
2008-09-26 01:39:32 +00:00
Bill Wendling
bf75299f0a
If we have a function with an unreachable statement such that the ending debug
...
information is in an unreachable block, then it's possible that the high/low pc
values won't be set for the dwarf information. E.g., this function:
void abort(void) __attribute__((__noreturn__));
void dead_beef(void) __attribute__ ((noreturn));
int *b;
void dead_beef(void) {
*b=0xdeadbeef;
abort();
}
has a call to "@llvm.dbg.region.end" only in the unreachable block:
define void @dead_beef() noreturn nounwind {
entry:
call void @llvm.dbg.func.start(...)
call void @llvm.dbg.stoppoint(...)
...
call void @abort( ) noreturn nounwind
unreachable
return: ; No predecessors!
call void @llvm.dbg.stoppoint(...)
call void @llvm.dbg.region.end(...)
ret void
}
The dwarf information emitted is something like:
0x00000084: TAG_subprogram [5]
AT_name( "dead_beef" )
AT_external( 0x01 )
AT_prototyped( 0x01 )
AT_decl_file( 0x01 )
AT_decl_line( 0x08 )
Note that this is *not* the best fix for this problem, but a band-aid for an
gaping wound. This code needs to be changed when we revamp our debugging
information.
llvm-svn: 56628
2008-09-26 00:28:12 +00:00
Evan Cheng
c8674dcfd0
Prefer movlhps over punpcklqdq, etc. in more cases.
...
llvm-svn: 56627
2008-09-25 23:35:16 +00:00
Dan Gohman
524c506db3
Fix a bug in which address displacements were being added to the
...
load from the stub, instead of the result of the load from the stub.
llvm-svn: 56626
2008-09-25 23:34:02 +00:00
Devang Patel
64dd7a2e89
Large mechanical patch.
...
s/ParamAttr/Attribute/g
s/PAList/AttrList/g
s/FnAttributeWithIndex/AttributeWithIndex/g
s/FnAttr/Attribute/g
This sets the stage
- to implement function notes as function attributes and
- to distinguish between function attributes and return value attributes.
This requires corresponding changes in llvm-gcc and clang.
llvm-svn: 56622
2008-09-25 21:00:45 +00:00
Anton Korobeynikov
7367de00cf
Reapply 56585:56589 with proper fix for some gcc versions
...
llvm-svn: 56621
2008-09-25 21:00:33 +00:00
Evan Cheng
d190aeb62d
With sse3 and when the source is a load or has multiple uses, favors movddup over shuffp*, pshufd, etc. Without sse3 or when the source is from a register, make use of movlhps
...
llvm-svn: 56620
2008-09-25 20:50:48 +00:00
Dale Johannesen
62f64ab4c8
Accept 'inreg' attribute on x86 functions as
...
meaning sse_regparm (i.e. float/double values go
in XMM0 instead of ST0). Update documentation
to reflect reality.
llvm-svn: 56619
2008-09-25 20:47:45 +00:00
Dan Gohman
6f5c6be90f
PIC support in X86FastISel.
...
llvm-svn: 56608
2008-09-25 15:24:26 +00:00
Evan Cheng
12a67b5226
Temporarily backing out 56585:56589 to unbreak the build.
...
llvm-svn: 56607
2008-09-25 07:38:08 +00:00
Evan Cheng
d8a6a7beaa
pmovsxbq etc. requires sse4.1.
...
llvm-svn: 56600
2008-09-25 00:49:51 +00:00
Evan Cheng
efd1f614ff
Fix patterns for SSE4.1 move and sign extend instructions. Also add instructions which fold VZEXT_MOVL and VZEXT_LOAD.
...
llvm-svn: 56594
2008-09-24 23:27:55 +00:00
Evan Cheng
1d0ed88bf9
X86ISD::VZEXT_LOAD should produce and fold a chain.
...
llvm-svn: 56593
2008-09-24 23:26:36 +00:00
Anton Korobeynikov
ff74ae04b1
Minor cleanup
...
llvm-svn: 56588
2008-09-24 22:22:54 +00:00
Anton Korobeynikov
9e5cbcc134
Use crazy template-based inheritance instead of virtual one.
...
llvm-svn: 56585
2008-09-24 22:21:39 +00:00
Anton Korobeynikov
b9294473f0
Get rid of ReadOnlySection duplicate
...
llvm-svn: 56582
2008-09-24 22:20:27 +00:00
Anton Korobeynikov
9b9c3a38ad
Get rid of now unused {Four,Eight,Sixteen}ByteConstantSection
...
llvm-svn: 56580
2008-09-24 22:18:54 +00:00
Anton Korobeynikov
dca16f3acf
Get rid of duplicate char*/Section* DataSection
...
llvm-svn: 56575
2008-09-24 22:16:16 +00:00
Anton Korobeynikov
83fa257f55
Get rid of duplicate char*/Section* TextSection
...
llvm-svn: 56574
2008-09-24 22:15:21 +00:00
Anton Korobeynikov
c7ac49c632
Move actual section printing stuff to AsmPrinter from TAI reducing heap traffic.
...
llvm-svn: 56573
2008-09-24 22:14:23 +00:00
Anton Korobeynikov
9e5d24042c
Drop obsolete hook and change all usage to new interface
...
llvm-svn: 56572
2008-09-24 22:13:07 +00:00
Anton Korobeynikov
24b906c8a3
XMM6-XMM15 are callee-saved on Win64. Patch by Nicolas Capens!
...
llvm-svn: 56568
2008-09-24 22:03:04 +00:00
Devang Patel
25ecdc49d9
Put FN_NOTE_AlwaysInline and others in FnAttr namespace.
...
llvm-svn: 56527
2008-09-24 00:06:15 +00:00
Evan Cheng
f942615847
Properly handle 'm' inline asm constraints. If a GV is being selected for the addressing mode, it requires the same logic for PIC relative addressing, etc.
...
llvm-svn: 56526
2008-09-24 00:05:32 +00:00
Devang Patel
b39defd763
Move FN_NOTE_AlwaysInline and other out of ParamAttrs namespace.
...
Do not check isDeclaration() in hasNote(). It is clients' responsibility.
llvm-svn: 56524
2008-09-23 23:52:03 +00:00