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d22a849282
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5711 Commits

Author SHA1 Message Date
Devang Patel
d22a849282 if loop induction variable is always sign or zero extended then 
extend the type of induction variable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56017 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 21:41:07 +00:00
Devang Patel
4b3f08bac7 fix overflow check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56011 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 20:54:34 +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
Anton Korobeynikov
e4c6b61ebd Resolve aliases, when possible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56001 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 19:04:59 +00:00
Dan Gohman
488fbfc69e Make SimplifyDemandedVectorElts simplify vectors with multiple 
users, and teach it about shufflevector instructions.

Also, fix a subtle bug in SimplifyDemandedVectorElts'
insertelement code.

This is a patch that was originally written by Eli Friedman,
with some fixes and cleanup by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55995 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 18:11:14 +00:00
Duncan Sands
99c1a7c9e1 Correct callgraph construction. It has two problems: 
(1) code left over from the days of ConstantPointerRef:
if a use of a function is a GlobalValue then that is
not considered a reason to add an edge from the external
node, even though the use may be as an initializer for
an externally visible global!  There might be some point
to this behaviour when the use is by an alias (though the
code predated aliases by some centuries), but I think
PR2782 is a better way of handling that.  (2) If function
F calls function G, and also G is a parameter to the
call, then an F->G edge is not added to the callgraph.
While this doesn't seem to matter much, adding such an
edge makes the callgraph more regular.
In addition, the new code should be faster as well as
simpler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55987 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 12:40:47 +00:00
Dan Gohman
be919409cc Temporarily disable vector select in the bitcode reader. The 
way it handles the type of the condition is breaking plain
scalar select in the case that the value is a
forward-reference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55976 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 02:08:49 +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
Devang Patel
e435a5d937 Fix simplifycfg crash in handing block merge. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55971 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 01:06:56 +00:00
Dan Gohman
f72fb679ef Extend the vcmp/fcmp LLVM IR instructions to take vectors as arguments 
and, if so, to return a vector of boolean as a result;

Extend the select LLVM IR instruction to allow you to specify a result
type which is a vector of boolean, in which case the result will be an
element-wise selection instead of choosing one vector or the other; and

Update LangRef.html to describe these changes.

This patch was contributed by Preston Gurd!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55969 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 01:02:47 +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
Anton Korobeynikov
b9fb005246 Reapply 55903: Testcase for 64-bit lowering of eh_return & unwind_init 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55959 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 21:14:19 +00:00
Dan Gohman
36d81baa37 Add a target triple; apparently LLVM doesn't use 64-bit 
data directives on darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55941 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 20:16:18 +00:00
Bill Wendling
fdddcc0575 Remove these testcases associated with changes between r 55898 and r 55909. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55931 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 18:00:39 +00:00
Bill Wendling
a425e0073d Reverting r55898 to r55909. One of these patches was causing an ICE during the full bootstrap on Darwin: 
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-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/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include
-DSHARED -m64 -DL_negdi2 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_negdi2_s.o
Assertion failed: (TargetRegisterInfo::isVirtualRegister(regA) &&
TargetRegisterInfo::isVirtualRegister(regB) && "cannot update physical
register live information"), function runOnMachineFunction, file
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/TwoAddressInstructionPass.cpp,
line 311.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-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/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include
-DSHARED -m64 -DL_lshrdi3 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_lshrdi3_s.o
../../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}:unknown:Undefined local symbol LBB21_11
{standard input}:unknown:Undefined local symbol LBB21_12
{standard input}:unknown:Undefined local symbol LBB21_13
{standard input}:unknown:Undefined local symbol LBB21_8


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55928 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 17:59:12 +00:00
Evan Cheng
debdea0a66 Handle calls which produce i1 results: promote to i8 but and it with 1 to get the low bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55925 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 17:15:42 +00:00
Dan Gohman
82f94f1ad9 Add AsmPrinter support for i128 and larger static initializer data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55919 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 16:40:13 +00:00
Devang Patel
ac8ab789ac xfail 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55914 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 16:24:30 +00:00
Anton Korobeynikov
e665c0789e Testcase for 64-bit lowering of eh_return & unwind_init 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55903 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 14:23:16 +00:00
Anton Korobeynikov
a8268a77df 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@55902 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 14:22:57 +00:00
Rafael Espindola
1db6a2bac8 Add testcase from bug 2770. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55897 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 11:17:54 +00:00
Duncan Sands
34c8847b2d Update the callgraph correctly in ArgumentPromotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55895 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 11:07:35 +00:00
Evan Cheng
98d2d07d41 Correctly handle physical register inputs. They are not explicit input operands in the resulting machine instrs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55893 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 08:39:33 +00:00
Evan Cheng
10a8d9c737 Handle x86 truncate to i8 with target hook for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55877 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 08:47:42 +00:00
Duncan Sands
fec2c2bf5e When PruneEH turned an invoke into an ordinary 
call (thus changing the call site) it didn't
inform the callgraph about this.  But the
call site does matter - as shown by the testcase,
the callgraph become invalid after the inliner
ran (with an edge between two functions simply
missing), resulting in wrong deductions by
GlobalsModRef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55872 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-06 17:19:29 +00:00
Eli Friedman
d0c0fae63b Fix for PR2687: Add patterns to match sint_to_fp and fp_to_sint for <2 x 
i32>.  This is a little messy, but it works.

We should really get rid of the intrinsics, though, since they map
perfectly well to standard LLVM instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55864 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 23:07:03 +00:00
Duncan Sands
f8e3541990 Prevent our own passes from promoting this to 
readonly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55858 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:34:32 +00:00
Evan Cheng
7f132122c8 Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55849 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 20:04:37 +00:00
Evan Cheng
e2471a9169 If SSE2 is available, x86 should pass first 3 f32/f64 arguments in XMM registers for fastcc calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55840 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 17:24:07 +00:00
Evan Cheng
4a03775777 For whatever the reason, x86 CallingConv::Fast (i.e. fastcc) was not passing scalar arguments in registers. This patch defines a new fastcc CC which is slightly different from the FastCall CC. In addition to passing integer arguments in ECX and EDX, it also specify doubles are passed in 8-byte slots which are 8-byte aligned (instead of 4-byte aligned). This avoids a potential performance hazard where doubles span cacheline boundaries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55807 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 22:59:58 +00:00
Dale Johannesen
fe89669b77 Adjust tests to expect new math intrinsics to be 
emitted only when errno is not in use.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55797 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 21:24:28 +00:00
Dale Johannesen
928e865d95 Adjust libcalls tests to expect intrinsic for exp2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55784 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 18:44:20 +00:00
Owen Anderson
79924eb6f5 Fix the ordering of operands to the store (inverted relative to LLVM IR), and fix the testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55777 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 16:48:33 +00:00
Owen Anderson
a3971dfbfe Add a first attempt at implementing stores for X86 fast isel using target hooks. 
Dan or Evan, please review.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55764 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 07:08:58 +00:00
Evan Cheng
373d50af1d Load from GV stub should be locally CSE'd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55763 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 06:18:33 +00:00
Evan Cheng
c2feb5c262 Remove code that pad number of bytes to pop for X86_FastCall CC. The code doesn't do the "aligning" for Cygwin, Mingw, and Windows. But aligning it on Darwin and Linux breaks gcc compatibility. That ruled out all the platforms we support! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55756 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 01:04:15 +00:00
Duncan Sands
faf600a9ed Testcase for commits 55700 and 55714. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55715 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 19:38:41 +00:00
Devang Patel
6bd8aa8399 Update test to check call instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55702 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 17:05:49 +00:00
Duncan Sands
d0ac373660 Since onlyReadsMemory returns true if in fact 
doesNotAccessMemory, check doesNotAccessMemory
first, since otherwise functions may be
marked readonly rather than readnone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 15:31:24 +00:00
Duncan Sands
9a036b945c Cleanup GlobalsModRef a bit. When analysing the 
callgraph, when one member of a SCC calls another
then the analysis would drop to mod-ref because
there is (usually) no function info for the callee
yet; fix this.  Teach the analysis about function
attributes, in particular the readonly attribute
(which requires being careful about globals).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 12:55:42 +00:00
Duncan Sands
dced0a3f53 Testcase for PR1678. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55695 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 07:52:01 +00:00
Evan Cheng
8b19e56051 Add X86 target hook to implement load (even from GlobalAddress). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55693 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 06:44:39 +00:00
Nick Lewycky
83c05e5d30 Don't crash when trying to constant fold a vector with some elements that can't 
be folded. Instead, fail to fold the entire vector.

We could also return a vector with some elements folded and some not. If anyone
thinks that's a better approach, please speak up!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55689 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 05:54:33 +00:00
Devang Patel
a9348dc7ac Check iteration count. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55680 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 00:10:56 +00:00
Devang Patel
108f92e376 If all IV uses are extending integer IV then change the type of IV itself, if possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55674 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-02 22:18:08 +00:00
Devang Patel
691e52445e respect inline=never and inline=always notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55673 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-02 22:16:13 +00:00
Devang Patel
7ad033c9e7 Read and write function notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-02 21:47:13 +00:00
Dale Johannesen
09a2ffef0f New testcase for targets without 64-bit atomics; 
xfail old test for ppc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55651 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-02 21:19:30 +00:00
Devang Patel
9018f569be Function notes tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55648 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-02 20:58:16 +00:00
Duncan Sands
14a093ac4c Turn this legalize types test on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55605 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-01 12:00:55 +00:00