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[mips] Involves microMIPS's jump in the analyzable branch set

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

Differential revision: https://reviews.llvm.org/D50613

llvm-svn: 340931
This commit is contained in:
Simon Atanasyan 2018-08-29 14:53:55 +00:00
parent dc0ca7aaad
commit 03f93271f5
2 changed files with 3 additions and 6 deletions
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2
lib/Target/Mips/MipsSEInstrInfo.cpp
View File

@ -643,7 +643,7 @@ unsigned MipsSEInstrInfo::getAnalyzableBrOpc(unsigned Opc) const {
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 ||

7
test/CodeGen/Mips/longbranch.ll
View File

@ -231,16 +231,13 @@ define void @test1(i32 signext %s) {
; 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: