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Differential D50613

[mips] Involves microMIPS's jump in the analyzable branch set
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Authored by atanasyan on Aug 12 2018, 12:15 PM.

Details

Reviewers
abeserminji
Commits
rGb0d060a93045: Merging r340931:
rGa7999216f831: [mips] Involves microMIPS's jump in the analyzable branch set
rL346735: Merging r340931:
rL340931: [mips] Involves microMIPS's jump in the analyzable branch set
Summary

Involves microMIPS's jump in the analyzable branch set to reduce some code patterns.

Diff Detail

Repository
rL LLVM

Event Timeline

atanasyan created this revision.Aug 12 2018, 12:15 PM
Herald added subscribers: jrtc27, arichardson, sdardis. · View Herald TranscriptAug 12 2018, 12:15 PM
atanasyan added a comment.Aug 22 2018, 2:45 AM

Ping?

abeserminji accepted this revision.Aug 29 2018, 6:31 AM

LGTM

This revision is now accepted and ready to land.Aug 29 2018, 6:31 AM
Closed by commit rL340931: [mips] Involves microMIPS's jump in the analyzable branch set (authored by atanasyan). · Explain WhyAug 29 2018, 7:55 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents

PathSize
lib/
Target/
Mips/
2 lines
test/
CodeGen/
Mips/
7 lines

Diff 160268

lib/Target/Mips/MipsSEInstrInfo.cpp

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unsigned MipsSEInstrInfo::getAnalyzableBrOpc(unsigned Opc) const { unsigned MipsSEInstrInfo::getAnalyzableBrOpc(unsigned Opc) const {
return (Opc == Mips::BEQ || Opc == Mips::BEQ_MM || Opc == Mips::BNE || return (Opc == Mips::BEQ || Opc == Mips::BEQ_MM || Opc == Mips::BNE ||
Opc == Mips::BNE_MM || Opc == Mips::BGTZ || Opc == Mips::BGEZ || Opc == Mips::BNE_MM || Opc == Mips::BGTZ || Opc == Mips::BGEZ ||
Opc == Mips::BLTZ || Opc == Mips::BLEZ || Opc == Mips::BEQ64 || Opc == Mips::BLTZ || Opc == Mips::BLEZ || Opc == Mips::BEQ64 ||
Opc == Mips::BNE64 || Opc == Mips::BGTZ64 || Opc == Mips::BGEZ64 || Opc == Mips::BNE64 || Opc == Mips::BGTZ64 || Opc == Mips::BGEZ64 ||
Opc == Mips::BLTZ64 || Opc == Mips::BLEZ64 || Opc == Mips::BC1T || Opc == Mips::BLTZ64 || Opc == Mips::BLEZ64 || Opc == Mips::BC1T ||
Opc == Mips::BC1F || Opc == Mips::B || Opc == Mips::J || Opc == Mips::BC1F || Opc == Mips::B || Opc == Mips::J ||
Opc == Mips::B_MM || Opc == Mips::BEQZC_MM || Opc == Mips::J_MM || Opc == Mips::B_MM || Opc == Mips::BEQZC_MM ||
Opc == Mips::BNEZC_MM || Opc == Mips::BEQC || Opc == Mips::BNEC || Opc == Mips::BNEZC_MM || Opc == Mips::BEQC || Opc == Mips::BNEC ||
Opc == Mips::BLTC || Opc == Mips::BGEC || Opc == Mips::BLTUC || Opc == Mips::BLTC || Opc == Mips::BGEC || Opc == Mips::BLTUC ||
Opc == Mips::BGEUC || Opc == Mips::BGTZC || Opc == Mips::BLEZC || Opc == Mips::BGEUC || Opc == Mips::BGTZC || Opc == Mips::BLEZC ||
Opc == Mips::BGEZC || Opc == Mips::BLTZC || Opc == Mips::BEQZC || Opc == Mips::BGEZC || Opc == Mips::BLTZC || Opc == Mips::BEQZC ||
Opc == Mips::BNEZC || Opc == Mips::BEQZC64 || Opc == Mips::BNEZC64 || Opc == Mips::BNEZC || Opc == Mips::BEQZC64 || Opc == Mips::BNEZC64 ||
Opc == Mips::BEQC64 || Opc == Mips::BNEC64 || Opc == Mips::BGEC64 || Opc == Mips::BEQC64 || Opc == Mips::BNEC64 || Opc == Mips::BGEC64 ||
Opc == Mips::BGEUC64 || Opc == Mips::BLTC64 || Opc == Mips::BLTUC64 || Opc == Mips::BGEUC64 || Opc == Mips::BLTC64 || Opc == Mips::BLTUC64 ||
Opc == Mips::BGTZC64 || Opc == Mips::BGEZC64 || Opc == Mips::BGTZC64 || Opc == Mips::BGEZC64 ||
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test/CodeGen/Mips/longbranch.ll

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; MICROMIPS-NEXT: sw16 $3, 0($2) ; MICROMIPS-NEXT: sw16 $3, 0($2)
; MICROMIPS-NEXT: $BB0_4: # %end ; MICROMIPS-NEXT: $BB0_4: # %end
; MICROMIPS-NEXT: jrc $ra ; MICROMIPS-NEXT: jrc $ra
; ;
; MICROMIPSSTATIC-LABEL: test1: ; MICROMIPSSTATIC-LABEL: test1:
; MICROMIPSSTATIC: # %bb.0: # %entry ; MICROMIPSSTATIC: # %bb.0: # %entry
; MICROMIPSSTATIC-NEXT: bnezc $4, $BB0_2 ; MICROMIPSSTATIC-NEXT: bnezc $4, $BB0_2
; MICROMIPSSTATIC-NEXT: # %bb.1: # %entry ; MICROMIPSSTATIC-NEXT: # %bb.1: # %entry
; MICROMIPSSTATIC-NEXT: j $BB0_4
; MICROMIPSSTATIC-NEXT: nop
; MICROMIPSSTATIC-NEXT: $BB0_2: # %entry
; MICROMIPSSTATIC-NEXT: j $BB0_3 ; MICROMIPSSTATIC-NEXT: j $BB0_3
; MICROMIPSSTATIC-NEXT: nop ; MICROMIPSSTATIC-NEXT: nop
; MICROMIPSSTATIC-NEXT: $BB0_3: # %then ; MICROMIPSSTATIC-NEXT: $BB0_2: # %then
; MICROMIPSSTATIC-NEXT: lui $1, %hi(x) ; MICROMIPSSTATIC-NEXT: lui $1, %hi(x)
; MICROMIPSSTATIC-NEXT: li16 $2, 1 ; MICROMIPSSTATIC-NEXT: li16 $2, 1
; MICROMIPSSTATIC-NEXT: sw $2, %lo(x)($1) ; MICROMIPSSTATIC-NEXT: sw $2, %lo(x)($1)
; MICROMIPSSTATIC-NEXT: $BB0_4: # %end ; MICROMIPSSTATIC-NEXT: $BB0_3: # %end
; MICROMIPSSTATIC-NEXT: jrc $ra ; MICROMIPSSTATIC-NEXT: jrc $ra
; ;
; MICROMIPSR6STATIC-LABEL: test1: ; MICROMIPSR6STATIC-LABEL: test1:
; MICROMIPSR6STATIC: # %bb.0: # %entry ; MICROMIPSR6STATIC: # %bb.0: # %entry
; MICROMIPSR6STATIC-NEXT: bnezc $4, $BB0_2 ; MICROMIPSR6STATIC-NEXT: bnezc $4, $BB0_2
; MICROMIPSR6STATIC-NEXT: # %bb.1: # %entry ; MICROMIPSR6STATIC-NEXT: # %bb.1: # %entry
; MICROMIPSR6STATIC-NEXT: bc $BB0_3 ; MICROMIPSR6STATIC-NEXT: bc $BB0_3
; MICROMIPSR6STATIC-NEXT: $BB0_2: # %then ; MICROMIPSR6STATIC-NEXT: $BB0_2: # %then
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