| Commit message (Collapse) | Author | Age | Files | Lines |
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defs.
After live range splitting, an original value may be available in multiple
registers. Tracing back through the registers containing the same value, find
the best place to insert a spill, determine if the value has already been
spilled, or discover a reaching def that may be rematerialized.
This is only the analysis part. The information is not used for anything yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127698 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127697 91177308-0d34-0410-b5e6-96231b3b80d8
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On Win32 console, emitting char to col#79 causes linefeed, and the cursor will not return to col#79 upper line with backspace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127696 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127694 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127691 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127684 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127683 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127681 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127680 91177308-0d34-0410-b5e6-96231b3b80d8
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Without this cmake fails at configuration when some target pass
"native" on LLVM_LINK_COMPONENTS and that is expanded to "X86".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127679 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127678 91177308-0d34-0410-b5e6-96231b3b80d8
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- Remove PTX 1.4 code generation
- Change type of intrinsics to .v4.i32 instead of .v4.i16
- Add and/or/xor integer instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127677 91177308-0d34-0410-b5e6-96231b3b80d8
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MCFixupKind. This is the same technique that is used elsewhere in MC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127676 91177308-0d34-0410-b5e6-96231b3b80d8
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when building with assertions disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127675 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127674 91177308-0d34-0410-b5e6-96231b3b80d8
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memory builtins as equivalent to malloc/free.
This is different from any attribute we have. For example, you can delete the
allocators when their result is unused, but you can't collapse two calls to the
same function, even if no global/memory state has changed in between. The
noalias return states that the result does not alias any other pointer, but
instcombine optimizes malloc() as though the result is non-null for the purpose
of eliminating unused pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127673 91177308-0d34-0410-b5e6-96231b3b80d8
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v2 = bitcast v1
...
v3 = bitcast v2
...
= v3
=>
v2 = bitcast v1
...
= v1
if v1 and v3 are of in the same register class.
bitcast between i32 and fp (and others) are often not nops since they
are in different register classes. These bitcast instructions are often
left because they are in different basic blocks and cannot be
eliminated by dag combine.
rdar://9104514
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127668 91177308-0d34-0410-b5e6-96231b3b80d8
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nothing more than a bitcast.
- Teach tablegen to automatically infer "Bitcast" property.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127667 91177308-0d34-0410-b5e6-96231b3b80d8
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of pointers in an std::map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127650 91177308-0d34-0410-b5e6-96231b3b80d8
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zext(undef) = 0, because the top bits will be zero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127649 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127648 91177308-0d34-0410-b5e6-96231b3b80d8
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VEX prefixes are working for triadic AVX
instructions. This concludes the patch set to
enable AVX support for the X86 disassebler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127647 91177308-0d34-0410-b5e6-96231b3b80d8
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in the instruction tables and fixed a few bugs that
were causing decode conflicts. Rudimentary tests
are coming up in the next patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127646 91177308-0d34-0410-b5e6-96231b3b80d8
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instruction set. This code adds support for the VEX prefix
and for the YMM registers accessible on AVX-enabled
architectures. Instruction table support that enables AVX
instructions for the disassembler is in an upcoming patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127644 91177308-0d34-0410-b5e6-96231b3b80d8
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This function performed acrobatics to prove no-self-wrap, which we now
have for free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127643 91177308-0d34-0410-b5e6-96231b3b80d8
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because an extra
register operand was erroneously added. Remove an incorrect assert which triggers the bug.
rdar://problem/9131529
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127642 91177308-0d34-0410-b5e6-96231b3b80d8
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and then go kablooie. The problem was that it was tracking the PHI nodes anew
each time into this function. But it didn't need to. And because the recursion
didn't know that a PHINode was visited before, it would go ahead and call
itself.
There is a testcase, but unfortunately it's too big to add. This problem will go
away with the EH rewrite.
<rdar://problem/8856298>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127640 91177308-0d34-0410-b5e6-96231b3b80d8
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This needs review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127638 91177308-0d34-0410-b5e6-96231b3b80d8
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Also more cleanly separate the ARM vs. Thumb functionality. Previously, the
encoding would be incorrect for some Thumb instructions (the indirect calls).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127637 91177308-0d34-0410-b5e6-96231b3b80d8
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normal version.
Fixes rdar://9123638
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127636 91177308-0d34-0410-b5e6-96231b3b80d8
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later forward declared as a struct)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127632 91177308-0d34-0410-b5e6-96231b3b80d8
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can. As Nate pointed out, VTBL isn't super performant, but it *has* to be better
than this:
_shuf:
@ BB#0: @ %entry
push {r4, r7, lr}
add r7, sp, #4
sub sp, #12
mov r4, sp
bic r4, r4, #7
mov sp, r4
mov r2, sp
vmov d16, r0, r1
orr r0, r2, #6
orr r3, r2, #7
vst1.8 {d16[0]}, [r3]
vst1.8 {d16[5]}, [r0]
subs r4, r7, #4
orr r0, r2, #5
vst1.8 {d16[4]}, [r0]
orr r0, r2, #4
vst1.8 {d16[4]}, [r0]
orr r0, r2, #3
vst1.8 {d16[0]}, [r0]
orr r0, r2, #2
vst1.8 {d16[2]}, [r0]
orr r0, r2, #1
vst1.8 {d16[1]}, [r0]
vst1.8 {d16[3]}, [r2]
vldr.64 d16, [sp]
vmov r0, r1, d16
mov sp, r4
pop {r4, r7, pc}
The "illegal" testcase in vext.ll is no longer illegal.
<rdar://problem/9078775>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127630 91177308-0d34-0410-b5e6-96231b3b80d8
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doesn't return, so just go back to using the old runtime function instead
of trying to use abort() when __builtin_unreachable (or an equivalent) isn't
supported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127629 91177308-0d34-0410-b5e6-96231b3b80d8
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but it re-organizes the old features, so I can insert the MetadataEngine to use the same infrastructure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127627 91177308-0d34-0410-b5e6-96231b3b80d8
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function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127626 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127621 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127620 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127619 91177308-0d34-0410-b5e6-96231b3b80d8
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Use the opportunity to get rid of the trailing underscore variable names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127618 91177308-0d34-0410-b5e6-96231b3b80d8
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where none was before. Just don't declare it and hope it's declared
in every translation unit that needs it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127612 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127610 91177308-0d34-0410-b5e6-96231b3b80d8
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builds, which was the apparent consensus of PR8973 and llvmdev.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127608 91177308-0d34-0410-b5e6-96231b3b80d8
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Remove the unused reserved_ bit vector, no functional change intended.
This doesn't break 'svn blame', this file really is all my fault.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127607 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127601 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127600 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127598 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127595 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127593 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127592 91177308-0d34-0410-b5e6-96231b3b80d8
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no-self-wrap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127591 91177308-0d34-0410-b5e6-96231b3b80d8
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