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311 Commits

Author SHA1 Message Date
Nadav Rotem
b05f14b3b9 Improve the generated code by getCopyFromPartsVector for promoted integer types. 
Instead of scalarizing, and doing an element-by-element truncat, use vector
truncate.
Add support for scalarization of vectors:  i8 -> <1 x i1> (from Duncan's
testcase).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132892 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 14:49:38 +00:00
Eric Christopher
471e422480 Add a parameter to CCState so that it can access the MachineFunction. 
No functional change.

Part of PR6965


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132763 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-08 23:55:35 +00:00
Nadav Rotem
0b66636879 TypeLegalizer: Add support for passing of vector-promoted types in registers (copyFromParts/copyToParts). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132649 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-04 20:58:08 +00:00
Eric Christopher
e0b42c02f0 Add a TODO about memory operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132559 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-03 17:21:23 +00:00
Eric Christopher
100c833416 Have LowerOperandForConstraint handle multiple character constraints. 
Part of rdar://9119939


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132510 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-02 23:16:42 +00:00
Eric Christopher
9aaa02a1d2 Allow bitcasts between valid types of the same size and vector 
types if the vector type is legal.

Fixes rdar://9306086


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132420 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 19:55:10 +00:00
Devang Patel
233857537f Preserve debug info during iSel by keeping DanglingDebugInfoMap live until end of function. 
Patch by Micah Villmow


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131908 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-23 17:44:13 +00:00
Chris Lattner
9db20f3bd8 Eliminate some temporary variables, and don't call getByValTypeAlignment 
when we're just going to throw the result away.  No functionality change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131880 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-22 23:23:02 +00:00
Devang Patel
227dfdb3c4 Preserve debug info for unused zero extended boolean argument. 
Radar 9422775.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131422 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 21:24:05 +00:00
Rafael Espindola
3fa8283744 Make codegen able to handle values of empty types. This is one way 
to fix PR9900. I will keep it open until sable is able to comment on it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131294 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-13 15:18:06 +00:00
Bill Wendling
61512ba251 Give the 'eh.sjlj.dispatchsetup' intrinsic call the value coming from the setjmp 
intrinsic call. This prevents it from being reordered so that it appears
*before* the setjmp intrinsic (thus making it completely useless).
<rdar://problem/9409683>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131174 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-11 01:11:55 +00:00
Eli Friedman
7f33d677a9 Disable my little CopyToReg argument hack with fast-isel. rdar://problem/9413587 . 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131156 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 21:50:58 +00:00
Eric Christopher
cef81b7e51 Look through struct wrapped types for inline asm statments. 
Patch by Evan Cheng.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131093 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-09 20:04:43 +00:00
Evan Cheng
ce1cdac942 80 col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131015 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 20:52:23 +00:00
Eli Friedman
23d3243e62 Avoid extra vreg copies for arguments passed in registers. Specifically, this can make MachineCSE more effective in some cases (especially in small functions). PR8361 / part of rdar://problem/8259436 . 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130928 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 16:53:34 +00:00
Devang Patel
06104e3743 A dbg.declare may not be in entry block, even if it is referring to an incoming argument. However, It is appropriate to emit DBG_VALUE referring to this incoming argument in entry block in MachineFunction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130129 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 16:33:52 +00:00
Chris Lattner
7a2bdde0a0 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 05:18:47 +00:00
Chris Lattner
c3e4e59d10 Avoid excess precision issues that lead to generating host-compiler-specific code. 
Switch lowering probably shouldn't be using FP for this.  This resolves PR9581.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129199 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-09 06:57:13 +00:00
Evan Cheng
4da0c7c0c9 Change -arm-trap-func= into a non-arm specific option. Now Intrinsic::trap is lowered into a call to the specified trap function at sdisel time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129152 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-08 21:37:21 +00:00
Bill Wendling
f05b1dcf87 Revamp the SjLj "dispatch setup" intrinsic. 
It needed to be moved closer to the setjmp statement, because the code directly
after the setjmp needs to know about values that are on the stack. Also, the
'bitcast' of the function context was causing a dead load. This wouldn't be too
horrible, except that at -O0 it wasn't optimized out, and because it wasn't
using the correct base pointer (if there is a VLA), it would try to access a
value from a garbage address.
<rdar://problem/9130540>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128873 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-05 01:37:43 +00:00
Evan Cheng
c249e48558 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128730 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 19:57:01 +00:00
Evan Cheng
8380c034b6 Assign node order numbers to results of call instruction lowering. This should improve src line debug info when sdisel is used. rdar://9199118 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128728 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 19:42:22 +00:00
Benjamin Kramer
7d706ede7d Turn SelectionDAGBuilder::GetRegistersForValue into a local function. 
It couldn't be used outside of the file because SDISelAsmOperandInfo
is local to SelectionDAGBuilder.cpp. Making it a static function avoids
a weird linkage dance.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128342 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-26 16:35:10 +00:00
Cameron Zwarich
7bbf0ee97c Move more logic into getTypeForExtArgOrReturn. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127809 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-17 14:53:37 +00:00
Cameron Zwarich
4457968011 Rename getTypeForExtendedInteger() to getTypeForExtArgOrReturn(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127807 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-17 14:21:56 +00:00
Cameron Zwarich
ebe8173941 The x86-64 ABI says that a bool is only guaranteed to be sign-extended to a byte 
rather than an int. Thankfully, this only causes LLVM to miss optimizations, not
generate incorrect code.

This just fixes the zext at the return. We still insert an i32 ZextAssert when
reading a function's arguments, but it is followed by a truncate and another i8
ZextAssert so it is not optimized.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127766 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-16 22:20:18 +00:00
Cameron Zwarich
8df6bf5f5c Don't recompute something that we already have in a local variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127764 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-16 22:20:07 +00:00
Andrew Trick
778583ad28 Replace -dag-chain-limit flag with constant. It has survived a release cycle without being touched, so no longer needs to pollute the hidden-help text. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127468 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-11 17:46:59 +00:00
Owen Anderson
95771afbfd Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 21:41:48 +00:00
Jim Grosbach
3fc8317798 Fix formatting of debug helper string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126471 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 03:59:03 +00:00
Cameron Zwarich
e1497b9791 Refactor the LiveOutInfo interface into a few methods on FunctionLoweringInfo 
and make the actual map private.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126376 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 10:00:08 +00:00
Cameron Zwarich
4ecc82e592 Roll out r126169 and r126170 in an attempt to fix the selfhost bot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126185 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 03:24:52 +00:00
Cameron Zwarich
92efda7e91 Merge information about the number of zero, one, and sign bits of live-out registers 
at phis. This enables us to eliminate a lot of pointless zexts during the DAGCombine
phase. This fixes <rdar://problem/8760114>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 00:46:27 +00:00
Devang Patel
a778f5c798 Do not lose debug info of an inlined function argument even if the argument is only used through GEPs. 
This time with a fix that avoids using invalidated DenseMap iterator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125984 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-18 22:43:42 +00:00
Cameron Zwarich
1646953538 Roll out r125794 to help diagnose the llvm-gcc-i386-linux-selfhost failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125830 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-18 04:58:10 +00:00
Devang Patel
a4defc00eb Do not lose debug info of an inlined function argument even if the argument is only used through GEPs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125794 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-17 23:33:27 +00:00
Chris Lattner
2ca5c8644e convert ConstantVector::get to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125537 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 00:14:00 +00:00
Chris Lattner
7583190422 revert my ConstantVector patch, it seems to have made the llvm-gcc 
builders unhappy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 18:15:46 +00:00
Chris Lattner
283c8caccd Switch ConstantVector::get to use ArrayRef instead of a pointer+size 
idiom.  Change various clients to simplify their code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125487 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 07:55:32 +00:00
Chris Lattner
e075118489 Revisit my fix for PR9028: the issue is that DAGCombine was 
generating i8 shift amounts for things like i1024 types.  Add
an assert in getNode to prevent this from occuring in the future,
fix the buggy transformation, revert my previous patch, and
document this gotcha in ISDOpcodes.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125465 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 19:09:16 +00:00
Chris Lattner
915eeb4887 when legalizing extremely wide shifts, make sure that 
the shift amounts are in a suitably wide type so that
we don't generate out of range constant shift amounts.

This fixes PR9028.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125458 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 09:10:56 +00:00
Chris Lattner
d302773885 fix visitShift to properly zero extend the shift amount if the provided operand 
is narrower than the shift register.  Doing an anyext provides undefined bits in
the top part of the register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125457 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 09:02:52 +00:00
Nick Lewycky
ed4efd3358 Fix build with stdcxx by using llvm::next. Patch by Joerg Sonnenberger! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124472 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-28 04:00:15 +00:00
Devang Patel
8f31428119 Resolve DanglingDbgValue of PHI nodes where the use follows dbg.value intrinisic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124203 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 18:09:58 +00:00
Devang Patel
a3ee3ef71b Speculatively revert r124138. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124142 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 20:04:37 +00:00
Devang Patel
224a180d11 Resolve DanglingDbgValue of PHI nodes where the use follows dbg.value intrinisic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124138 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 19:24:37 +00:00
Anton Korobeynikov
16c29b5f28 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:39:04 +00:00
Jakob Stoklund Olesen
c9df025e33 Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic. 
These functions not longer assert when passed 0, but simply return false instead.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123155 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 02:58:51 +00:00
Jakob Stoklund Olesen
358de24dc1 Use an IndexedMap for LiveOutRegInfo to hide its dependence on TargetRegisterInfo::FirstVirtualRegister. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123096 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 23:10:50 +00:00
Evan Cheng
c36b7069b4 Do not model all INLINEASM instructions as having unmodelled side effects. 
Instead encode llvm IR level property "HasSideEffects" in an operand (shared
with IsAlignStack). Added MachineInstrs::hasUnmodeledSideEffects() to check
the operand when the instruction is an INLINEASM.

This allows memory instructions to be moved around INLINEASM instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 23:50:32 +00:00