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llvm-mirror/test/MC/Mips
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Petar Jovanovic 51463c570e [Mips] Add support to match more patterns for DEXT and CINS 
This patch adds support for recognizing more patterns to match to DEXT and
CINS instructions.
It finds cases where multiple instructions could be replaced with a single
DEXT or CINS instruction.

For example, for the following:

define i64 @dext_and32(i64 zeroext %a) {
entry:

 %and = and i64 %a, 4294967295
 ret i64 %and
}

instead of generating:

 0000000000000088 <dext_and32>:

 88:   64010001        daddiu  at,zero,1
 8c:   0001083c        dsll32  at,at,0x0
 90:   6421ffff        daddiu  at,at,-1
 94:   03e00008        jr      ra
 98:   00811024        and     v0,a0,at
 9c:   00000000        nop

the following gets generated:

 0000000000000068 <dext_and32>:

 68:   03e00008        jr      ra
 6c:   7c82f803        dext    v0,a0,0x0,0x20

Cases that are covered:

DEXT:

 1. and $src, mask where mask > 0xffff
 2. zext $src zero extend from i32 to i64

CINS:

 1. and (shl $src, pos), mask
 2. shl (and $src, mask), pos
 3. zext (shl $src, pos) zero extend from i32 to i64

Patch by Violeta Vukobrat.

Differential Revision: https://reviews.llvm.org/D30464

llvm-svn: 297832
2017-03-15 13:10:08 +00:00
..
cnmips [mips] Range check simm10 2016-03-24 13:26:59 +00:00
dsp [mips] Range check uimm16 and fix several bugs this revealed. 2016-02-01 15:13:31 +00:00
dspr2
eva [mips][microMIPS] Fix offsets for LLE, LWE, SBE, SCE and SHE instructions 2016-04-29 08:36:54 +00:00
micromips [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
micromips32r6 Fix some broken CHECK lines. 2017-01-22 20:28:56 +00:00
micromips64r6 Fix some broken CHECK lines. 2017-01-22 20:28:56 +00:00
micromips-dsp [mips][microMIPS][DSP] Implement BALIGN, BITREV, BPOSGE32, CMP*, CMPGDU*, CMPGU* and CMPU* instructions 2016-05-17 09:32:58 +00:00
micromips-dspr2 [mips][microMIPS][DSP] Implement BALIGN, BITREV, BPOSGE32, CMP*, CMPGDU*, CMPGU* and CMPU* instructions 2016-05-17 09:32:58 +00:00
micromips-dspr3 [mips][microMIPS] Implement APPEND, BPOSGE32C, MODSUB, MULSA.W.PH and MULSAQ_S.W.PH instructions 2016-05-13 11:32:53 +00:00
mips1 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips2 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips3 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips4 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips5 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips32 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips32r2 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips32r3 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips32r5 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips32r6 [mips] seb, seh instruction aliases 2016-11-22 19:17:23 +00:00
mips64 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips64r2 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips64r3 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips64r5 [mips] Correct c.cond.fmt instruction definition. 2017-01-16 13:55:58 +00:00
mips64r6 [mips] seb, seh instruction aliases 2016-11-22 19:17:23 +00:00
msa [mips] Split mem_msa into range checked mem_simm10 and mem_simm10_lsl[123] 2016-03-31 14:12:01 +00:00
asciiz-directive-bad.s
asciiz-directive.s
bopt-directive.s [mips] Parse the 'bopt' and 'nobopt' directives in IAS. 2017-02-01 18:50:24 +00:00
branch-pseudos-bad.s [mips] Expansion of BEQL and BNEL with immediate operands 2017-02-02 16:13:49 +00:00
branch-pseudos.s
cfi-advance-loc.s
cfi.s
cpload-bad.s
cpload.s [llvm-objdump] Support detection of feature bits from the object and implement this for Mips. 2016-06-16 09:17:03 +00:00
cprestore-bad.s Don't pass relocation-model= to tests that don't need it. 2016-05-18 00:27:17 +00:00
cprestore-noreorder-noat.s [llvm-objdump] Support detection of feature bits from the object and implement this for Mips. 2016-06-16 09:17:03 +00:00
cprestore-noreorder.s [mips] Use --check-prefixes where appropriate. NFC. 2016-06-24 12:23:17 +00:00
cprestore-reorder.s [mips] Use --check-prefixes where appropriate. NFC. 2016-06-24 12:23:17 +00:00
cprestore-warning-unused.s Don't pass a Reloc::Model to MC. 2016-05-18 11:58:50 +00:00
cpsetup-bad.s [MC] Fix Error Location for ParseIdentifier 2016-10-12 13:58:07 +00:00
cpsetup.s [mips] Make the test case more specific and provide OS component of a triple. NFC 2016-12-08 22:10:52 +00:00
directive-ent.s [mips] Use --check-prefixes where appropriate. NFC. 2016-06-24 12:23:17 +00:00
do_switch1.s Don't pass relocation-model= to tests that don't need it. 2016-05-18 00:27:17 +00:00
do_switch2.s Don't pass relocation-model= to tests that don't need it. 2016-05-18 00:27:17 +00:00
do_switch3.s Don't pass relocation-model= to tests that don't need it. 2016-05-18 00:27:17 +00:00
double-expand.s [mips][ias] Move createCpRestoreMemOp to MipsTargetStreamer. NFC. 2016-04-29 16:16:49 +00:00
eh-frame.s
elf_basic.s
elf_eflags_abicalls.s
elf_eflags_micromips2.s [mips][ias] EF_MIPS_MICROMIPS should iff microMIPS code was emitted. 2016-05-16 09:10:13 +00:00
elf_eflags_micromips.s [mips][ias] EF_MIPS_MICROMIPS should iff microMIPS code was emitted. 2016-05-16 09:10:13 +00:00
elf_eflags_mips16.s
elf_eflags_nan2008.s
elf_eflags_nanlegacy.s
elf_eflags_noreorder.s
elf_eflags_pic0.s
elf_eflags_pic2.s
elf_eflags.s [mips] Recommit: "N64 static relocation model support" 2017-01-27 11:36:52 +00:00
elf_reginfo.s
elf_st_other.s [llvm-readobj] Decode st_other symbol's flags 2016-03-24 16:10:37 +00:00
elf-bigendian.ll
elf-debug-section.s [llvm-readobj] Support SHT_MIPS_DWARF section type flag 2017-03-10 08:22:25 +00:00
elf-gprel-32-64.s
elf-N64.s
elf-relsym.s
elf-tls.s
end-directive.s [mips] Remove absolute size assertion for end directive 2017-02-03 15:48:53 +00:00
expansion-j-sym-pic.s Change how we handle section symbols on ELF. 2017-02-02 21:26:06 +00:00
expansion-jal-sym-pic.s Change how we handle section symbols on ELF. 2017-02-02 21:26:06 +00:00
expr1.s Re-commit r277988: [mips][ias] Fix all the hacks related to MIPS-specific unary operators (%hi/%lo/%gp_rel/etc.). 2016-08-08 11:50:25 +00:00
got-rel-expr.s [mips][ias] R_MIPS_(GOT|HI|LO|PC)16 and R_MIPS_GPREL32 do not need symbols. 2016-05-09 10:21:14 +00:00
hex-immediates.s Revert r265817 2016-04-08 18:15:37 +00:00
higher-highest-addressing.s [mips] Remove CPU-only triples from llvm-objdump commands. 2016-06-03 10:22:22 +00:00
hilo-addressing.s Revert r265817 2016-04-08 18:15:37 +00:00
init-order-bug.ll Don't pass a Reloc::Model to MC. 2016-05-18 11:58:50 +00:00
insn-directive.s [llvm-readobj] Decode st_other symbol's flags 2016-03-24 16:10:37 +00:00
instalias-imm-expanding.s [mips][ias] Further relax operands of certain assembly instructions 2017-02-23 12:40:58 +00:00
instr-analysis.s Revert r265817 2016-04-08 18:15:37 +00:00
lit.local.cfg
llvm-mc-fixup-endianness.s
macro-abs.s [mips] Absolute value macro expansion 2016-01-29 16:18:34 +00:00
macro-bcc-imm-bad.s
macro-bcc-imm.s [mips] Expansion of BEQL and BNEL with immediate operands 2017-02-02 16:13:49 +00:00
macro-ddiv-bad.s [mips] Addition of a third operand to the instructions [d]div, [d]divu 2016-05-16 08:57:59 +00:00
macro-ddiv.s [mips] Fix failing test. 2017-02-13 16:42:35 +00:00
macro-ddivu-bad.s [mips] Addition of a third operand to the instructions [d]div, [d]divu 2016-05-16 08:57:59 +00:00
macro-ddivu.s [mips] divide macro instruction cleanup. 2017-02-13 16:06:48 +00:00
macro-div-bad.s [mips] divide macro instruction cleanup. 2017-02-13 16:06:48 +00:00
macro-div.s [mips] divide macro instruction cleanup. 2017-02-13 16:06:48 +00:00
macro-divu-bad.s [mips] divide macro instruction cleanup. 2017-02-13 16:06:48 +00:00
macro-divu.s [mips] divide macro instruction cleanup. 2017-02-13 16:06:48 +00:00
macro-dla-32bit.s [mips] Allowed dla instructions on 32-bit architectures. 2016-01-21 15:11:01 +00:00
macro-dla.s [mips] dla expansion without the at register 2017-02-06 12:43:46 +00:00
macro-dli.s
macro-la-bad.s
macro-la-pic.s [mips] Implement 'la' macro in PIC mode for O32. 2016-06-03 09:53:06 +00:00
macro-la.s [mips] Correct label prefixes for N32 and N64. 2016-07-19 10:49:03 +00:00
macro-ld-sd.s llvm/test/MC/Mips/macro-ld-sd.s: Sweep a spurious character \xA0 in the test file. 2016-10-19 13:41:12 +00:00
macro-li-bad.s [mips][ias] fix li macro when values are negated with ~ 2016-10-05 18:26:19 +00:00
macro-li.s Fix some broken CHECK lines. 2017-01-22 20:28:56 +00:00
macro-seq.s [mips] seq macro support 2016-11-21 20:30:41 +00:00
memory-offsets.s [mips][ias] Handle more complicated expressions for memory operands 2016-10-18 15:17:17 +00:00
micromips-16-bit-instructions.s
micromips-alias.s [llvm-readobj] Decode st_other symbol's flags 2016-03-24 16:10:37 +00:00
micromips-alu-instructions.s [mips][microMIPS] Add CodeGen support for AND*, OR16, OR*, XOR*, NOT16 and NOR instructions 2016-06-15 07:46:24 +00:00
micromips-bad-branches.s
micromips-branch-fixup.s
micromips-branch-instructions.s
micromips-control-instructions.s
micromips-diagnostic-fixup.s
micromips-el-fixup-data.s [mips][microMIPS] Implement BLTZC, BLEZC, BGEZC and BGTZC instructions, fix disassembly and add operand checking to existing B<cond>C implementations 2016-08-22 12:17:59 +00:00
micromips-expansions.s [mips] Use MipsMCExpr instead of MCSymbolRefExpr for all relocations. 2016-05-03 13:35:44 +00:00
micromips-fpu-instructions.s
micromips-func-addr.s [LLVM] Remove unwanted --check-prefix=CHECK from unit tests. NFC. 2016-04-19 23:51:52 +00:00
micromips-invalid.s [mips][micromips] Implement LD, LLD, LWU, SD, DSRL, DSRL32 and DSRLV instructions 2016-06-27 08:23:28 +00:00
micromips-jump26.s
micromips-jump-instructions.s
micromips-label-test-sections.s [llvm-readobj] Decode st_other symbol's flags 2016-03-24 16:10:37 +00:00
micromips-label-test.s [llvm-readobj] Decode st_other symbol's flags 2016-03-24 16:10:37 +00:00
micromips-loadstore-instructions.s
micromips-loadstore-unaligned.s
micromips-movcond-instructions.s
micromips-multiply-instructions.s
micromips-pc16-fixup.s
micromips-relocations.s [mips] Use MipsMCExpr instead of MCSymbolRefExpr for all relocations. 2016-05-03 13:35:44 +00:00
micromips-shift-instructions.s [mips][microMIPS] Add CodeGen support for SLL16, SRL16, SLL, SLLV, SRA, SRAV, SRL and SRLV instructions 2016-04-27 11:02:23 +00:00
micromips-tailr.s
micromips-trap-instructions.s
mips64-alu-instructions.s
mips64-expansions.s [mips] Make symbols an acceptable branch target when expanding compare-to-immediate-and-branch macros. 2016-02-29 11:24:49 +00:00
mips64-instalias-imm-expanding.s [mips] Fix 64bit slt/sltu/nor with immediates 2017-02-28 15:55:23 +00:00
mips64-instructions.s
mips64-register-names-n32-n64.s
mips64-register-names-o32.s [mips] Change instruction s/daddiu/addiu/ since O32 prohibits the use of 64-bit GPRs. NFC 2016-12-08 22:10:48 +00:00
mips64eb-fixups.s
mips64extins.s [llvm-objdump] Support detection of feature bits from the object and implement this for Mips. 2016-06-16 09:17:03 +00:00
mips64shift.ll [mips] Remove CPU-only triples from llvm-objdump commands. 2016-06-03 10:22:22 +00:00
mips_abi_flags_xx_set.s
mips_abi_flags_xx.s [mips] Use --check-prefixes where appropriate. NFC. 2016-06-24 12:23:17 +00:00
mips_directives_bad.s
mips_directives.s [mips] Use MipsMCExpr instead of MCSymbolRefExpr for all relocations. 2016-05-03 13:35:44 +00:00
mips_gprel16.s [llvm-objdump] Support detection of feature bits from the object and implement this for Mips. 2016-06-16 09:17:03 +00:00
mips-abi-bad.s
mips-alu-instructions.s
mips-bad-branches.s
mips-control-instructions.s [mips] Range check uimm20 and fixed a bug this revealed. 2016-02-29 16:06:38 +00:00
mips-cop0-reginfo.s [LLVM] Remove unwanted --check-prefix=CHECK from unit tests. NFC. 2016-04-19 23:51:52 +00:00
mips-coprocessor-encodings.s
mips-data-directives.s [mips] Implemented the .hword directive. 2016-02-15 16:11:51 +00:00
mips-diagnostic-fixup.s
mips-expansions-bad.s [mips] Use --check-prefixes where appropriate. NFC. 2016-06-24 12:23:17 +00:00
mips-expansions.s [mips] Add support for unaligned load/store macros. 2016-11-22 16:43:49 +00:00
mips-fpu-instructions.s
mips-hwr-register-names.s
mips-jump-delay-slots.s
mips-jump-instructions.s
mips-memory-instructions.s
mips-noat.s
mips-pc16-fixup.s
mips-pdr-bad.s
mips-pdr.s [mips] Removed the SHF_ALLOC flag and the SHT_REL flag from the .pdr section. 2016-02-17 11:15:16 +00:00
mips-reginfo-fp32.s
mips-reginfo-fp64.s
mips-register-names-invalid.s
mips-register-names-o32.s
module-directive-bad.s
module-hardfloat.s
module-softfloat.s
mul-macro-variants.s [mips] Add test for mul macro variants 2017-02-20 10:53:03 +00:00
multi-64bit-func.ll
nabi-regs.s
nacl-mask.s [mips] Remove CPU-only triples from llvm-objdump commands. 2016-06-03 10:22:22 +00:00
nooddspreg-cmdarg.s [mips] Don't derive the default ABI from the CPU in the backend. 2016-06-23 12:42:53 +00:00
nooddspreg-error.s
nooddspreg.s [mips] Don't derive the default ABI from the CPU in the backend. 2016-06-23 12:42:53 +00:00
octeon-instructions.s
oddspreg.s [mips] Use --check-prefixes where appropriate. NFC. 2016-06-24 12:23:17 +00:00
pr11877.s
r-mips-got-disp.s
reloc-directive-bad.s
reloc-directive-negative.s
reloc-directive.s [mips][ias] N32/N64 must not sort the relocation table. 2016-12-05 12:55:19 +00:00
relocation-n64.s [mips] Use --check-prefixes where appropriate. NFC. 2016-06-24 12:23:17 +00:00
relocation-xfail.s [mips][ias] Work around yet another incorrect microMIPS relocation evaluation exposed by r268900. 2016-05-13 12:07:14 +00:00
relocation.s [mips][ias] Support .dtprel[d]word and .tprel[d]word directives 2016-08-22 16:18:42 +00:00
rotations32-bad.s
rotations32.s
rotations64.s
section-size.s [mips][ias] Only round section sizes when explicitly requested. 2016-05-04 13:21:06 +00:00
set-arch.s [mips] add assembler support for .set arch=octeon 2016-04-12 15:28:16 +00:00
set-at-directive-explicit-at.s
set-at-directive.s
set-at-noat-bad-syntax.s
set-defined-symbol.s [llvm-objdump] Support detection of feature bits from the object and implement this for Mips. 2016-06-16 09:17:03 +00:00
set-mips0-directive.s
set-mips16-directive.s
set-mips-directives-bad.s
set-mips-directives.s
set-nodsp.s
set-nomacro-micromips.s
set-nomacro.s [mips] Expansion of BEQL and BNEL with immediate operands 2017-02-02 16:13:49 +00:00
set-oddspreg-nooddspreg-error.s
set-oddspreg-nooddspreg.s
set-push-pop-directives-bad.s Fix Mips Parser error reporting 2016-05-05 14:15:46 +00:00
set-push-pop-directives.s
set-softfloat-hardfloat-bad.s
set-softfloat-hardfloat.s
sext_64_32.ll [Mips] Add support to match more patterns for DEXT and CINS 2017-03-15 13:10:08 +00:00
sort-relocation-table.s [mips][ias] R_MIPS_(GOT|HI|LO|PC)16 and R_MIPS_GPREL32 do not need symbols. 2016-05-09 10:21:14 +00:00
sym-expr.s
sym-offset.ll
target-soft-float.s [mips][microMIPS] Implement LDC1, SDC1, LDC2, SDC2, LWC1, SWC1, LWC2 and SWC2 instructions and add CodeGen support 2016-07-11 07:41:56 +00:00
unaligned-nops.s
update-module-level-options.s
user-macro-argument-separation.s [MC] Fixed parsing of macro arguments where expressions with spaces are present. 2016-02-11 13:48:49 +00:00
xgot.s