[PATCH] D50613: [mips] Involves microMIPS's jump in the analyzable branch set

[Simon Atanasyan via Phabricator via llvm-commits]

atanasyan created this revision.
atanasyan added a reviewer: abeserminji.
Herald added subscribers: jrtc27, arichardson, sdardis.

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


Repository:
  rL LLVM

https://reviews.llvm.org/D50613

Files:
  lib/Target/Mips/MipsSEInstrInfo.cpp
  test/CodeGen/Mips/longbranch.ll


Index: test/CodeGen/Mips/longbranch.ll
===================================================================
--- test/CodeGen/Mips/longbranch.ll
+++ test/CodeGen/Mips/longbranch.ll
@@ -231,16 +231,13 @@
 ; MICROMIPSSTATIC:       # %bb.0: # %entry
 ; MICROMIPSSTATIC-NEXT:    bnezc $4, $BB0_2
 ; 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:    nop
-; MICROMIPSSTATIC-NEXT:  $BB0_3: # %then
+; MICROMIPSSTATIC-NEXT:  $BB0_2: # %then
 ; MICROMIPSSTATIC-NEXT:    lui $1, %hi(x)
 ; MICROMIPSSTATIC-NEXT:    li16 $2, 1
 ; MICROMIPSSTATIC-NEXT:    sw $2, %lo(x)($1)
-; MICROMIPSSTATIC-NEXT:  $BB0_4: # %end
+; MICROMIPSSTATIC-NEXT:  $BB0_3: # %end
 ; MICROMIPSSTATIC-NEXT:    jrc $ra
 ;
 ; MICROMIPSR6STATIC-LABEL: test1:
Index: lib/Target/Mips/MipsSEInstrInfo.cpp
===================================================================
--- lib/Target/Mips/MipsSEInstrInfo.cpp
+++ lib/Target/Mips/MipsSEInstrInfo.cpp
@@ -643,7 +643,7 @@
           Opc == Mips::BNE64  || Opc == Mips::BGTZ64 || Opc == Mips::BGEZ64 ||
           Opc == Mips::BLTZ64 || Opc == Mips::BLEZ64 || Opc == Mips::BC1T   ||
           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::BLTC   || Opc == Mips::BGEC   || Opc == Mips::BLTUC  ||
           Opc == Mips::BGEUC  || Opc == Mips::BGTZC  || Opc == Mips::BLEZC  ||


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