aboutsummaryrefslogtreecommitdiff
path: root/lib
AgeCommit message (Collapse)Author
2005-10-05fix some pastosChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23635 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-05Add a new HandleNode class, which is used to handle (haha) cases in theChris Lattner
dead node elim and dag combiner passes where the root is potentially updated. This fixes a fixme in the dag combiner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23634 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-05Implement the code for PowerPC/inverted-bool-compares.ll, even though itChris Lattner
that testcase still does not pass with the dag combiner. This is because not all forms of br* are folded yet. Also, when we combine a node into another one, delete the node immediately instead of waiting for the node to potentially come up in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23632 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-05make sure that -view-isel-dags is the input to the isel, not the input toChris Lattner
the second phase of dag combining git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23631 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-05Fix a crash compiling Olden/tspChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23630 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04refactor a bit of code.Chris Lattner
When moving constant entries in 'Map' if the entry is the representative constant for the abstractypemap, make sure to update it as well. This fixes the bcreader failures from last night on several C++ apps. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23628 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04Minor speedup to avoid array searches given a Use*. This speeds up bc readingChris Lattner
of the python test from 1:00 to 54s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23627 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04Change the signature of replaceUsesOfWithOnConstant. The bool was alwaysChris Lattner
true dynamically. Finally, pass the Use* that replaceAllUsesWith has into the method for future use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23626 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04For large constants (e.g. arrays and structs with many elements) justChris Lattner
creating the keys and doing comparisons to index into 'Map' takes a lot of time. For these large constants, keep an inverse map so that 'remove' and move operations are much faster. This speeds up a release build of the bc reader on Eric's nasty python bytecode file from 1:39 to 1:00s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23624 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04minor cleanup/fastpath for the bcreader. This speeds up the bcreaderChris Lattner
from 1:41 -> 1:39 on the large python .bc file in a release build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23623 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04Reverting to version - until problem isolated.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23622 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04Add a forward defChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23621 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04Fix some faulty logic in the libcall inserter.Nate Begeman
Since calls return more than one value, don't bail if one of their uses happens to be a node that's not an MVT::Other when following the chain from CALLSEQ_START to CALLSEQ_END. Once we've found a CALLSEQ_START, we can just return; there's no need to tail-recurse further up the graph. Most importantly, just because something only has one use doesn't mean we should use it's one use to follow from start to end. This faulty logic caused us to follow a chain of one-use FP operations back to a much earlier call, putting a cycle in the graph from a later start to an earlier end. This is a better fix that reverting to the workaround committed earlier today. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23620 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04implement the struct version of the array speedup, speeding up theChris Lattner
testcase a bit more from 1:48 -> 1.40. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23619 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04Fix DemoteRegToStack on an invoke. This fixes PR634.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23618 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04Add back a workaround that fixes some breakages from chris's last change.Nate Begeman
Neither of us have yet figured out why this code is necessary, but stuff breaks if its not there. Still tracking this down... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23617 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03Clean up the code a bit. Use isInstructionTriviallyDead to be more aggressiveChris Lattner
and more correct than use_empty(). This fixes PR635 and SimplifyCFG/2005-10-02-InvokeSimplify.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23616 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03Change ConstantArray::replaceUsesOfWithOnConstant to attempt to updateChris Lattner
constant arrays in place instead of reallocating them and replaceAllUsesOf'ing the result. This speeds up a release build of the bcreader from: 136.987u 120.866s 4:24.38 to 49.790u 49.890s 1:40.14 ... a 2.6x speedup parsing a large python bc file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23614 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03move some methods, no other changesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23613 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03minor microoptimizationsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23612 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03Use a map to cache the ModuleType information, so we can do logarithmicChris Lattner
lookups instead of linear time lookups. This speeds up bc parsing of a large file from 137.834u 118.256s 4:27.96 to 132.611u 114.436s 4:08.53 with a release build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23611 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03Refactor gathering node info and emission.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23610 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03clean up this code a bit, no functionality changeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23609 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03Speed up the asm printer a lot by not printing formatted LLVM asm outputChris Lattner
for globals git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23608 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03Break the body of the loop out into a new methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23606 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03Make IVUseShouldUsePostIncValue more aggressive when the use is a PHI. InChris Lattner
particular, it should realize that phi's use their values in the pred block not the phi block itself. This change turns our em3d loop from this: _test: cmpwi cr0, r4, 0 bgt cr0, LBB_test_2 ; entry.no_exit_crit_edge LBB_test_1: ; entry.loopexit_crit_edge li r2, 0 b LBB_test_6 ; loopexit LBB_test_2: ; entry.no_exit_crit_edge li r6, 0 LBB_test_3: ; no_exit or r2, r6, r6 lwz r6, 0(r3) cmpw cr0, r6, r5 beq cr0, LBB_test_6 ; loopexit LBB_test_4: ; endif addi r3, r3, 4 addi r6, r2, 1 cmpw cr0, r6, r4 blt cr0, LBB_test_3 ; no_exit LBB_test_5: ; endif.loopexit.loopexit_crit_edge addi r3, r2, 1 blr LBB_test_6: ; loopexit or r3, r2, r2 blr into: _test: cmpwi cr0, r4, 0 bgt cr0, LBB_test_2 ; entry.no_exit_crit_edge LBB_test_1: ; entry.loopexit_crit_edge li r2, 0 b LBB_test_5 ; loopexit LBB_test_2: ; entry.no_exit_crit_edge li r6, 0 LBB_test_3: ; no_exit lwz r2, 0(r3) cmpw cr0, r2, r5 or r2, r6, r6 beq cr0, LBB_test_5 ; loopexit LBB_test_4: ; endif addi r3, r3, 4 addi r6, r6, 1 cmpw cr0, r6, r4 or r2, r6, r6 blt cr0, LBB_test_3 ; no_exit LBB_test_5: ; loopexit or r3, r2, r2 blr Unfortunately, this is actually worse code, because the register coallescer is getting confused somehow. If it were doing its job right, it could turn the code into this: _test: cmpwi cr0, r4, 0 bgt cr0, LBB_test_2 ; entry.no_exit_crit_edge LBB_test_1: ; entry.loopexit_crit_edge li r6, 0 b LBB_test_5 ; loopexit LBB_test_2: ; entry.no_exit_crit_edge li r6, 0 LBB_test_3: ; no_exit lwz r2, 0(r3) cmpw cr0, r2, r5 beq cr0, LBB_test_5 ; loopexit LBB_test_4: ; endif addi r3, r3, 4 addi r6, r6, 1 cmpw cr0, r6, r4 blt cr0, LBB_test_3 ; no_exit LBB_test_5: ; loopexit or r3, r6, r6 blr ... which I'll work on next. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23604 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03Refactor some code into a functionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23603 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03This break is bogus and I have no idea why it was there. Basically it preventsChris Lattner
memoizing code when IV's are used by phinodes outside of loops. In a simple example, we were getting this code before (note that r6 and r7 are isomorphic IV's): li r6, 0 or r7, r6, r6 LBB_test_3: ; no_exit lwz r2, 0(r3) cmpw cr0, r2, r5 or r2, r7, r7 beq cr0, LBB_test_5 ; loopexit LBB_test_4: ; endif addi r2, r7, 1 addi r7, r7, 1 addi r3, r3, 4 addi r6, r6, 1 cmpw cr0, r6, r4 blt cr0, LBB_test_3 ; no_exit Now we get: li r6, 0 LBB_test_3: ; no_exit or r2, r6, r6 lwz r6, 0(r3) cmpw cr0, r6, r5 beq cr0, LBB_test_6 ; loopexit LBB_test_4: ; endif addi r3, r3, 4 addi r6, r2, 1 cmpw cr0, r6, r4 blt cr0, LBB_test_3 ; no_exit this was noticed in em3d. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23602 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03when checking if we should move a split edge block outside of a loop,Chris Lattner
check the presplit pred, not the post-split pred. This was causing us to make the wrong decision in some cases, leaving the critical edge block in the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23601 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02Fix a problem where the legalizer would run out of stack space on extremelyChris Lattner
large basic blocks because it was purely recursive. This switches it to an iterative/recursive hybrid. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23596 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02silence a bogus warningChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23595 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02silence some warningsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23594 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02silence a warningChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23593 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02add patterns for float binops and fma opsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23592 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02Sort the cpu and features table, so that the alpha backend doesn't fail EVERYChris Lattner
compile with an assertion that the tables are not sorted! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23591 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02Add assertions to the trivial scheduler to check that the value types matchChris Lattner
up between defs and uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23590 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02another solution to the fsel issue. Instead of having 4 variants, just forceChris Lattner
the comparison to be 64-bits. This is fine because extensions from float to double are free. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23589 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02fsel can take a different FP type for the comparison and for the result. As ↵Chris Lattner
such split the FSEL family into 4 things instead of just two. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23588 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02fix an f32/f64 type mismatchChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23587 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02Codegen CopyFromReg using the regclass that matches the valuetype of theChris Lattner
destination vreg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23586 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02Adjust to change in ctorChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23585 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01Minor tweak to the branch selector. When emitting a two-way branch, and ifChris Lattner
we're in a single-mbb loop, make sure to emit the backwards branch as the conditional branch instead of the uncond branch. For example, emit this: LBBl29_z__44: stw r9, 0(r15) stw r9, 4(r15) stw r9, 8(r15) stw r9, 12(r15) addi r15, r15, 16 addi r8, r8, 1 cmpw cr0, r8, r28 ble cr0, LBBl29_z__44 b LBBl29_z__48 *** NOT PART OF LOOP Instead of: LBBl29_z__44: stw r9, 0(r15) stw r9, 4(r15) stw r9, 8(r15) stw r9, 12(r15) addi r15, r15, 16 addi r8, r8, 1 cmpw cr0, r8, r28 bgt cr0, LBBl29_z__48 *** PART OF LOOP! b LBBl29_z__44 The former sequence has one fewer dispatch group for the loop body. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23582 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01like the comment says, enable thisChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23581 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01Add some very paranoid checking for operand/result reg class matchupChris Lattner
For instructions that define multiple results, use the right regclass to define the result, not always the rc of result #0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23580 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01Fix VC++ warnings.Jeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23579 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01fix typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23578 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01Modify the ppc backend to use two register classes for FP: F8RC and F4RC.Chris Lattner
These are used to represent float and double values, and the two regclasses contain the same physical registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23577 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01add a methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23575 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01typoJim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23574 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-011. Simplify the gathering of node groups.Jim Laskey
2. Printing node groups when displaying nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23573 91177308-0d34-0410-b5e6-96231b3b80d8
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-08-06 13:52:49 +0000