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* Merging r196751:Bill Wendling2013-12-09
| | | | | | | | | | | | | ------------------------------------------------------------------------ r196751 | venkatra | 2013-12-08 20:02:15 -0800 (Sun, 08 Dec 2013) | 3 lines [Sparc]: Implement getSetCCResultType() in SparcTargetLowering so that umulo/smulo can be lowered on sparcv9 without an assertion error. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196766 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r196755:Bill Wendling2013-12-09
| | | | | | | | | | | | ------------------------------------------------------------------------ r196755 | venkatra | 2013-12-08 21:13:25 -0800 (Sun, 08 Dec 2013) | 2 lines [SPARCV9]: Adjust the resultant pointer of DYNAMIC_STACKALLOC with the stack BIAS on sparcV9. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196764 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r196735:Bill Wendling2013-12-09
| | | | | | | | | | | | | ------------------------------------------------------------------------ r196735 | venkatra | 2013-12-08 14:06:07 -0800 (Sun, 08 Dec 2013) | 3 lines [SparcV9]: Expand MULHU/MULHS:i64 and UMUL_LOHI/SMUL_LOHI:i64 on sparcv9. This fixes PR18150. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196744 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r195576:Bill Wendling2013-11-27
| | | | | | | | | | | | ------------------------------------------------------------------------ r195576 | venkatra | 2013-11-24 12:23:25 -0800 (Sun, 24 Nov 2013) | 2 lines [Sparc] Emit large negative adjustments to SP/FP with sethi+xor instead of sethi+or. This generates correct code for both sparc32 and sparc64. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195870 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r195574:Bill Wendling2013-11-27
| | | | | | | | | | | | ------------------------------------------------------------------------ r195574 | venkatra | 2013-11-24 10:41:49 -0800 (Sun, 24 Nov 2013) | 2 lines [SparcV9]: Do not emit .register directives for global registers that are clobbered by calls but not used in the function itself. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195868 91177308-0d34-0410-b5e6-96231b3b80d8
* Merging r195573:Bill Wendling2013-11-27
| | | | | | | | | | | | ------------------------------------------------------------------------ r195573 | venkatra | 2013-11-24 09:41:41 -0800 (Sun, 24 Nov 2013) | 2 lines [SparcV9] Enable custom lowering of DYNAMIC_STACKALLOC in sparc64. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195867 91177308-0d34-0410-b5e6-96231b3b80d8
* [SparcV9] Handle i64 <-> float conversions in sparcv9 mode.Venkatraman Govindaraju2013-11-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193957 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Expand FP_TO_UINT, UINT_TO_FP for fp128.Venkatraman Govindaraju2013-11-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193947 91177308-0d34-0410-b5e6-96231b3b80d8
* [SparcV9] Add ctpop instruction for i64. Also, expand ctlz, cttz and bswap.Venkatraman Govindaraju2013-11-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193941 91177308-0d34-0410-b5e6-96231b3b80d8
* SparcV9 doesnt have rem instruction either.Roman Divacky2013-10-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193789 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Disable tail call optimization for sparc64.Venkatraman Govindaraju2013-10-09
| | | | | | | | This patch fixes PR17506. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192294 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Do not emit nop after fcmp* instruction with V9.Venkatraman Govindaraju2013-10-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192056 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Custom lower addc/adde/subc/sube on i64 in sparc64.Venkatraman Govindaraju2013-10-06
| | | | | | | | This is required because i64 is a legal type but addxcc/subxcc reads icc carry bit, which are 32 bit conditional codes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192054 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Use addxcc/subxcc for adde/sube instead of addx/subx.Venkatraman Govindaraju2013-10-06
| | | | | | | addx/subx does not modify conditional codes whereas addxcc/subxx does. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192053 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Use correct alignment while loading/storing fp128 values.Venkatraman Govindaraju2013-10-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192023 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Respect hasHardQuad parameter correctly when lowering SINT_TO_FP ↵Venkatraman Govindaraju2013-10-05
| | | | | | with fp128 operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192015 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Correct the floating point conditional code mapping in ↵Venkatraman Govindaraju2013-10-04
| | | | | | GetOppositeBranchCondition(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192006 91177308-0d34-0410-b5e6-96231b3b80d8
* TBAA: update tbaa format from scalar format to struct-path aware format.Manman Ren2013-09-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191690 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Implements exception handling in SPARC with DwarfCFI.Venkatraman Govindaraju2013-09-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191432 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Add support for TLS in sparc.Venkatraman Govindaraju2013-09-22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191164 91177308-0d34-0410-b5e6-96231b3b80d8
* [SPARC] Make functions with GLOBAL_OFFSET_TABLE access as non-leaf functions.Venkatraman Govindaraju2013-09-22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191160 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Emit .register directive to declare the use of global registers %g2, ↵Venkatraman Govindaraju2013-09-22
| | | | | | %g4, %g6 and %g7. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191158 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Fix lowering FABS on fp128 (long double) on pre-v9 targets.Venkatraman Govindaraju2013-09-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191154 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Correctly handle call to functions with ReturnsTwice attribute.Venkatraman Govindaraju2013-09-05
| | | | | | | | | | | | | | In sparc, setjmp stores only the registers %fp, %sp, %i7 and %o7. longjmp restores the stack, and the callee-saved registers (all local/in registers: %i0-%i7, %l0-%l7) using the stored %fp and register windows. However, this does not guarantee that the longjmp will restore the registers, as they were when the setjmp was called. This is because these registers may be clobbered after returning from setjmp, but before calling longjmp. This patch prevents the registers %i0-%i5, %l0-l7 to live across the setjmp call using the register mask. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190033 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Fix an assertion failure while lowering fcmp on long double.Venkatraman Govindaraju2013-09-04
| | | | | | | | This assertion is triggered because an integer constant is created with wrong type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189948 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Add support for soft long double (fp128).Venkatraman Govindaraju2013-09-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189780 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Implement spill and load for long double(f128) registers.Venkatraman Govindaraju2013-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189768 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Add long double (f128) instructions to sparc backend. Venkatraman Govindaraju2013-08-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189198 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Added V9's extra floating point registers and their aliases.Venkatraman Govindaraju2013-08-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189195 91177308-0d34-0410-b5e6-96231b3b80d8
* [tests] Cleanup initialization of test suffixes.Daniel Dunbar2013-08-16
| | | | | | | | | | | | | | | | | - Instead of setting the suffixes in a bunch of places, just set one master list in the top-level config. We now only modify the suffix list in a few suites that have one particular unique suffix (.ml, .mc, .yaml, .td, .py). - Aside from removing the need for a bunch of lit.local.cfg files, this enables 4 tests that were inadvertently being skipped (one in Transforms/BranchFolding, a .s file each in DebugInfo/AArch64 and CodeGen/PowerPC, and one in CodeGen/SI which is now failing and has been XFAILED). - This commit also fixes a bunch of config files to use config.root instead of older copy-pasted code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188513 91177308-0d34-0410-b5e6-96231b3b80d8
* Allocate local registers in order for optimal coloring.Andrew Trick2013-07-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also avoid locals evicting locals just because they want a cheaper register. Problem: MI Sched knows exactly how many registers we have and assumes they can be colored. In cases where we have large blocks, usually from unrolled loops, greedy coloring fails. This is a source of "regressions" from the MI Scheduler on x86. I noticed this issue on x86 where we have long chains of two-address defs in the same live range. It's easy to see this in matrix multiplication benchmarks like IRSmk and even the unit test misched-matmul.ll. A fundamental difference between the LLVM register allocator and conventional graph coloring is that in our model a live range can't discover its neighbors, it can only verify its neighbors. That's why we initially went for greedy coloring and added eviction to deal with the hard cases. However, for singly defined and two-address live ranges, we can optimally color without visiting neighbors simply by processing the live ranges in instruction order. Other beneficial side effects: It is much easier to understand and debug regalloc for large blocks when the live ranges are allocated in order. Yes, global allocation is still very confusing, but it's nice to be able to comprehend what happened locally. Heuristics could be added to bias register assignment based on instruction locality (think late register pairing, banks...). Intuituvely this will make some test cases that are on the threshold of register pressure more stable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187139 91177308-0d34-0410-b5e6-96231b3b80d8
* Update to more CodeGen tests to use CHECK-LABEL for labels corresponding to ↵Stephen Lin2013-07-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | function definitions for more informative error messages. No functionality change. All changes were made by the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" grep -q "^; *RUN: *llc.*debug" $NAME && continue grep -q "^; *RUN:.*llvm-objdump" $NAME && continue grep -q "^; *RUN: *opt.*" $NAME && continue TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\([A-Za-z0-9_-]*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC[:]* *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME done This script catches a superset of the cases caught by the script associated with commit r186280. It initially found some false positives due to unusual constructs in a minority of tests; all such cases were disambiguated first in commit r186621. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186624 91177308-0d34-0410-b5e6-96231b3b80d8
* Disambiguate function names in some CodeGen tests. (Some tests were using ↵Stephen Lin2013-07-18
| | | | | | function names that also were names of instructions and/or doing other unusual things that were making the test not amenable to otherwise scriptable pattern matching.) No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186621 91177308-0d34-0410-b5e6-96231b3b80d8
* Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to ↵Stephen Lin2013-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert CodeGen/*/*.ll tests to use the new CHECK-LABEL for easier ↵Stephen Lin2013-07-13
| | | | | | | | | | | debugging. No functionality change and all tests pass after conversion. This was done with the following sed invocation to catch label lines demarking function boundaries: sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186258 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch spill weights from a basic loop depth estimation to BlockFrequencyInfo.Benjamin Kramer2013-06-17
| | | | | | | | | | | | | | | | | | The main advantages here are way better heuristics, taking into account not just loop depth but also __builtin_expect and other static heuristics and will eventually learn how to use profile info. Most of the work in this patch is pushing the MachineBlockFrequencyInfo analysis into the right places. This is good for a 5% speedup on zlib's deflate (x86_64), there were some very unfortunate spilling decisions in its hottest loop in longest_match(). Other benchmarks I tried were mostly neutral. This changes register allocation in subtle ways, update the tests for it. 2012-02-20-MachineCPBug.ll was deleted as it's very fragile and the instruction it looked for was gone already (but the FileCheck pattern picked up unrelated stuff). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184105 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Delete FPMover Pass and remove Fp* Pseudo-instructions from Sparc ↵Venkatraman Govindaraju2013-06-08
| | | | | | backend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183613 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing zextloadi1 to i64 patterns. PR16721.Jakob Stoklund Olesen2013-06-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183587 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in asm string of BP* family of instructions. With this fixRoman Divacky2013-06-07
| | | | | | | I am able to compile/assemble/link/run /bin/echo from FreeBSD. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183537 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc]: Use cmp instruction instead of subcc to compare integers.Venkatraman Govindaraju2013-06-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183463 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: Add support for indirect branch and blockaddress in Sparc backend.Venkatraman Govindaraju2013-06-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183094 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: When storing 0, use %g0 directly in the store instruction instead ofVenkatraman Govindaraju2013-06-03
| | | | | | | using two instructions (sethi and store). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183090 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: Combine add/or/sethi instruction with restore if possible.Venkatraman Govindaraju2013-06-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183088 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: Perform leaf procedure optimization by defaultVenkatraman Govindaraju2013-06-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183083 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc: Mark functions calling llvm.vastart and llvm.returnaddress intrinsics ↵Venkatraman Govindaraju2013-06-01
| | | | | | as non-leaf functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183079 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Generate correct code for leaf functions with stack objects Venkatraman Govindaraju2013-06-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183067 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Add support for leaf functions in sparc backend. Venkatraman Govindaraju2013-05-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182822 91177308-0d34-0410-b5e6-96231b3b80d8
* Also expand 64-bit bitcasts.Jakob Stoklund Olesen2013-05-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182229 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement spill and fill of I64Regs.Jakob Stoklund Olesen2013-05-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182228 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark i64 SETCC as expand so it is turned into a SELECT_CC.Jakob Stoklund Olesen2013-05-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182227 91177308-0d34-0410-b5e6-96231b3b80d8
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