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1964 Commits

Author SHA1 Message Date
Dan Gohman
d790a5ceee Fix a think-o in isSafeToMove. This fixes it from thinking that 
volatile memory references are safe to move.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56948 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 15:04:30 +00:00
Dan Gohman
0b3baaa7fb Disable fast-isel for this test, as it doesn't emit the same 
number of instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56940 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 23:48:35 +00:00
Devang Patel
4ae641f4d1 Remove OptimizeForSize global. Use function attribute optsize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56937 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 23:18:38 +00:00
Dan Gohman
e7aa7baa76 Split this test and move it into target-specific directories. 
This fixes failures on configurations that don't have one or the
other targets enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56926 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 19:46:30 +00:00
Dan Gohman
e7891c705c nounwind-ify this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56918 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 15:07:14 +00:00
Bill Wendling
ae595dc9da Moved this option to the front-end. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56901 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 01:02:18 +00:00
Dan Gohman
70695fee51 Use explicit target-triples to unbreak this test on non-darwin systems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56896 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 00:25:38 +00:00
Bill Wendling
6e08738d4b Just don't transform this memset into "bzero" if no-builtin is specified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56888 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-30 22:05:33 +00:00
Bill Wendling
fd8ca5a0ef - Initialize "--no-builtin" to "false". 
- Testcase for r56885.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56886 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-30 21:40:30 +00:00
Evan Cheng
dc37786595 Re-apply 56835 along with header file changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56848 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-30 15:44:16 +00:00
Duncan Sands
46292be362 Revert commit 56835 since it breaks the build. 
"If a re-materializable instruction has a register
operand, the spiller will change the register operand's
spill weight to HUGE_VAL to avoid it being spilled.
However, if the operand is already in the queue ready
to be spilled, avoid re-materializing it".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56837 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-30 10:00:30 +00:00
Evan Cheng
d41474d2c0 If a re-materializable instruction has a register operand, the spiller will change the register operand's spill weight to HUGE_VAL to avoid it being spilled. However, if the operand is already in the queue ready to be spilled, avoid re-materializing it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56835 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-30 06:36:58 +00:00
Evan Cheng
d47e0b664f Fix PR2835. Do not change the width of a volatile load. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56792 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-29 17:26:18 +00:00
Evan Cheng
184793fc8a Re-apply 56683 with fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56748 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-27 01:56:22 +00:00
Devang Patel
2c9c3e7368 Implement function notes as function attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56716 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-26 23:51:19 +00:00
Evan Cheng
b7a75a5a54 Implement "punpckldq %xmm0, $xmm0" as "pshufd $0x50, %xmm0, %xmm" unless optimizing for code size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56711 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-26 23:41:32 +00:00
Bill Wendling
d5d8191b20 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"
...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-26 22:10:44 +00:00
Evan Cheng
36a55023c1 Fix @llvm.frameaddress codegen. FP elimination optimization should be disabled when frame address is desired. Also add support for depth > 0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56683 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-26 19:48:35 +00:00
Evan Cheng
a67f32abb5 Avoid spilling EBP / RBP twice in the prologue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56675 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-26 19:14:21 +00:00
Evan Cheng
4dcc8a373d Prefer movlhps over punpcklqdq, etc. in more cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56627 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-25 23:35:16 +00:00
Evan Cheng
0b457f0c3a 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 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56620 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-25 20:50:48 +00:00
Dale Johannesen
c9c6da61ac 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56619 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-25 20:47:45 +00:00
Evan Cheng
ca57f78332 Fix patterns for SSE4.1 move and sign extend instructions. Also add instructions which fold VZEXT_MOVL and VZEXT_LOAD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56594 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-24 23:27:55 +00:00
Dale Johannesen
8e3455ba17 Remove SelectionDag early allocation of registers 
for earlyclobbers.  Teach Local RA about earlyclobber,
and add some tests for it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56592 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-24 23:13:09 +00:00
Evan Cheng
da43bcf624 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56526 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-24 00:05:32 +00:00
Evan Cheng
364091e090 Support x86 specific inline asm modifier 'J'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56483 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-22 23:57:37 +00:00
Arnold Schwaighofer
290ae0398e Change the calling convention used when tail call optimization is enabled from CC_X86_32_TailCall to CC_X86_32_FastCC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56436 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-22 14:50:07 +00:00
Evan Cheng
5e8d9def77 Fix PR2808. When regalloc runs out of register, it spill a physical register around the live interval being allocated. Do not continue to try to spill another register, just grab the physical register and move on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56381 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-20 01:28:05 +00:00
Evan Cheng
4070e60efe Clean up the test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56380 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-20 01:26:27 +00:00
Evan Cheng
91a23c8233 No need to print function stubs for Mac OS X 10.5 and up. Linker will handle it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56378 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-20 00:13:45 +00:00
Dan Gohman
2ff7fd1461 Refactor X86SelectConstAddr, folding it into X86SelectAddress. This 
results in better code for globals. Also, unbreak the local CSE for
GlobalValue stub loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56371 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-19 22:16:54 +00:00
Evan Cheng
20580a1cf6 Re-materalized definition instructions may be dead. Whack them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56352 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-19 17:38:47 +00:00
Dale Johannesen
91aac1015e Add a bit to mark operands of asm's that conflict 
with an earlyclobber operand elsewhere.  Propagate
this bit and the earlyclobber bit through SDISel.
Change linear-scan RA not to allocate regs in a way 
that conflicts with an earlyclobber.  See also comments.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56290 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-17 21:13:11 +00:00
Evan Cheng
870e4bef41 Unallocatable registers do not have live intervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56287 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-17 18:36:25 +00:00
Bill Wendling
7795932d41 Add trampoline support to PPC. GCC simply calls the "__trampoline_setup" 
function with appropriate parameters. This allows us to support blocks on PPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56267 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-17 00:30:57 +00:00
Dan Gohman
ad7321f58a Teach LSR to optimize away SMAX operations for tripcounts in common 
cases.  See the comment above OptimizeSMax for the full story, and
the testcase for an example. This cancels out a pessimization
commonly attributed to indvars, and will allow us to lift some of
the artificial throttles in indvars, rather than add new ones.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56230 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-15 21:22:06 +00:00
Dan Gohman
5eb0cecbc5 Re-enable SelectionDAG CSE for calls. It matters in the case of 
libcalls, as in this testcase on ARM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56226 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-15 19:46:03 +00:00
Bruno Cardoso Lopes
f19063b33f Added testcase for bswap allegrexel intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56225 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-15 19:38:11 +00:00
Evan Cheng
25f34a30d6 Correctly update kill infos after extending a live range and merge 2 val#'s; fix 56165 - do not mark val# copy field if the copy does not define the val#. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56199 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-15 06:28:41 +00:00
Evan Cheng
ee9e1b0a85 On some targets, non-move instructions can become move instructions because of coalescing. e.g. 
vr2 = OR vr0, vr1
=>
vr2 = OR vr1, vr1   // after coalescing vr0 with vr1

Update the value# of the destination register with the copy instruction if that happens.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56165 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-12 18:13:14 +00:00
Arnold Schwaighofer
363f53f3ec Add indirect tail call (function pointer) examples. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56127 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 22:24:28 +00:00
Arnold Schwaighofer
1fdc40f062 When tailcallopt is enabled all fastcc calls must have an aligned argument stack size. Add a test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56119 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 20:28:43 +00:00
Evan Cheng
8db866808c Fix PR2748. Avoid coalescing physical register with virtual register which would create illegal extract_subreg. e.g. 
vr1024 = extract_subreg vr1025, 1
...
vr1024 = mov8rr AH
If vr1024 is coalesced with AH, the extract_subreg is now illegal since AH does not have a super-reg whose sub-register 1 is AH.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56118 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 20:07:10 +00:00
Evan Cheng
4086906a0f Fix PR2783 - coalescer bug. Missing a TargetRegisterInfo::isVirtualRegister check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56112 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 18:40:32 +00:00
Evan Cheng
d9c553f262 Propagate subreg index when promoting a load to a copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56085 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 01:02:12 +00:00
Evan Cheng
b188dd9c5b Fix a fastcc + sret bug. If fastcc and sret, callee doesn't need to pop the hidden struct ptr; Re-enable fastcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56061 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 18:25:29 +00:00
Evan Cheng
4b88702ac3 Legalizer was missing code that expand fpow to a libcall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56028 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 23:02:14 +00:00
Evan Cheng
5530216989 Fix PR2757. Ignore liveinterval register allocation preference if the preference register is not in the right register class. This can happen due to sub-register coalescing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 20:22:01 +00:00
Evan Cheng
59fbc80f6b Fix a constant lowering bug. Now we can do load and store instructions with funky getelementptr embedded in the address operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55975 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 01:26:59 +00:00
Anton Korobeynikov
369bbbb421 Reapply 55902: Add test for checking proper lowering of eh_return & unwind init intrinsics on 32bit x86 targets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55960 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 21:14:36 +00:00