diff --git a/llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp b/llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp
--- a/llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp
+++ b/llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp
@@ -695,6 +695,12 @@
       continue;
     }
 
+    if (CurrI->isBundle()) {
+      LLVM_DEBUG(dbgs() << DEBUG_TYPE ": ignoring BUNDLE instruction: ";
+                 CurrI->dump());
+      continue;
+    }
+
     if (terminateSearch(*CurrI)) {
       LLVM_DEBUG(dbgs() << DEBUG_TYPE ": should terminate search: ";
                  CurrI->dump());
diff --git a/llvm/test/CodeGen/Mips/delay-slot-filler-bundled-insts.mir b/llvm/test/CodeGen/Mips/delay-slot-filler-bundled-insts.mir
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/delay-slot-filler-bundled-insts.mir
@@ -0,0 +1,142 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+## Check that the delay-slot filler does not attempt to split BUNDLE instructions
+# RUN: llc %s -start-before=mips-delay-slot-filler -stop-after=mips-delay-slot-filler \
+# RUN:   -verify-machineinstrs -o - | FileCheck %s
+--- |
+  target datalayout = "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
+  target triple = "mips64-unknown-freebsd"
+  declare i8* @func_a(i64 zeroext)
+  declare i8* @func_b(i64 zeroext)
+  ; Function Attrs: nounwind
+  define i8* @test(i64 zeroext %nbytes) local_unnamed_addr #0 {
+  entry:
+    %cmp = icmp eq i64 %nbytes, 0
+    br i1 %cmp, label %if.else, label %if.then
+
+  if.then:                                          ; preds = %entry
+    %call = tail call i8* @func_a(i64 zeroext %nbytes)
+    br label %return
+
+  if.else:                                          ; preds = %entry
+    %call1 = tail call i8* @func_b(i64 zeroext 0)
+    br label %return
+
+  return:                                           ; preds = %if.else, %if.then
+    %retval.0 = phi i8* [ %call, %if.then ], [ %call1, %if.else ]
+    ret i8* %retval.0
+  }
+  ; Function Attrs: nounwind
+  declare void @llvm.stackprotector(i8*, i8**) #0
+
+  attributes #0 = { nounwind }
+
+...
+---
+name:            test
+alignment:       8
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+hasWinCFI:       false
+registers:       []
+liveins:
+  - { reg: '$a0_64', virtual-reg: '' }
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       16
+  offsetAdjustment: 0
+  maxAlignment:    8
+  adjustsStack:    true
+  hasCalls:        true
+  stackProtector:  ''
+  maxCallFrameSize: 0
+  cvBytesOfCalleeSavedRegisters: 0
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:      []
+stack:
+  - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
+      stack-id: default, callee-saved-register: '$ra_64', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+callSites:       []
+constants:       []
+machineFunctionInfo: {}
+body:             |
+  ; CHECK-LABEL: name: test
+  ; CHECK: bb.0.entry:
+  ; CHECK:   successors: %bb.2(0x30000000), %bb.1(0x50000000)
+  ; CHECK:   $sp_64 = DADDiu $sp_64, -16
+  ; CHECK:   CFI_INSTRUCTION def_cfa_offset 16
+  ; CHECK:   SD killed $ra_64, $sp_64, 8 :: (store 8 into %stack.0)
+  ; CHECK:   CFI_INSTRUCTION offset $ra_64, -8
+  ; CHECK:   BUNDLE {
+  ; CHECK:     $sp_64 = DADDiu $sp_64, -16
+  ; CHECK:     $sp_64 = DADDiu $sp_64, 16
+  ; CHECK:   }
+  ; CHECK:   BEQ64 renamable $a0_64, $zero_64, %bb.2, implicit-def $at {
+  ; CHECK:     NOP
+  ; CHECK:   }
+  ; CHECK: bb.1.if.then:
+  ; CHECK:   successors: %bb.3(0x80000000)
+  ; CHECK:   JAL @func_a, csr_n64, implicit-def dead $ra, implicit $a0_64, implicit-def $sp, implicit-def $v0_64 {
+  ; CHECK:     NOP
+  ; CHECK:   }
+  ; CHECK:   J %bb.3, implicit-def dead $at {
+  ; CHECK:     NOP
+  ; CHECK:   }
+  ; CHECK: bb.2.if.else:
+  ; CHECK:   successors: %bb.3(0x80000000)
+  ; CHECK:   JAL @func_b, csr_n64, implicit-def dead $ra, implicit $a0_64, implicit-def $sp, implicit-def $v0_64 {
+  ; CHECK:     $a0_64 = DADDiu $zero_64, 0
+  ; CHECK:   }
+  ; CHECK: bb.3.return:
+  ; CHECK:   $ra_64 = LD $sp_64, 8 :: (load 8 from %stack.0)
+  ; CHECK:   PseudoReturn64 undef $ra_64, implicit $v0_64 {
+  ; CHECK:     $sp_64 = DADDiu $sp_64, 16
+  ; CHECK:   }
+  bb.0.entry:
+    successors: %bb.2(0x30000000), %bb.1(0x50000000)
+    liveins: $a0_64, $ra_64
+
+    $sp_64 = DADDiu $sp_64, -16
+    CFI_INSTRUCTION def_cfa_offset 16
+    SD killed $ra_64, $sp_64, 8 :: (store 8 into %stack.0)
+    CFI_INSTRUCTION offset $ra_64, -8
+    ; This BUNDLE instruction must not be split by the delay slot filler:
+    BUNDLE {
+      $sp_64 = DADDiu $sp_64, -16
+      $sp_64 = DADDiu $sp_64, 16
+    }
+    BEQ64 renamable $a0_64, $zero_64, %bb.2, implicit-def $at
+
+  bb.1.if.then:
+    successors: %bb.3(0x80000000)
+    liveins: $a0_64
+
+    JAL @func_a, csr_n64, implicit-def dead $ra, implicit $a0_64, implicit-def $sp, implicit-def $v0_64
+    J %bb.3, implicit-def dead $at
+
+  bb.2.if.else:
+    successors: %bb.3(0x80000000)
+
+    $a0_64 = DADDiu $zero_64, 0
+    JAL @func_b, csr_n64, implicit-def dead $ra, implicit $a0_64, implicit-def $sp, implicit-def $v0_64
+
+  bb.3.return:
+    liveins: $v0_64
+
+    $ra_64 = LD $sp_64, 8 :: (load 8 from %stack.0)
+    $sp_64 = DADDiu $sp_64, 16
+    PseudoReturn64 undef $ra_64, implicit $v0_64
+
+...