diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index afd2e87078a9..28d496ee9ca1 100644
--- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -2907,6 +2907,19 @@ SDValue PPCDAGToDAGISel::get64BitZExtCompare(SDValue LHS, SDValue RHS,
                                           getI64Imm(58, dl), getI64Imm(63, dl)),
                    0);
   }
+  case ISD::SETNE: {
+    // {addc.reg, addc.CA} = (addcarry (xor %a, %b), -1)
+    // (zext (setcc %a, %b, setne)) -> (sube addc.reg, addc.reg, addc.CA)
+    // {addcz.reg, addcz.CA} = (addcarry %a, -1)
+    // (zext (setcc %a, 0, setne)) -> (sube addcz.reg, addcz.reg, addcz.CA)
+    SDValue Xor = IsRHSZero ? LHS :
+      SDValue(CurDAG->getMachineNode(PPC::XOR8, dl, MVT::i64, LHS, RHS), 0);
+    SDValue AC =
+      SDValue(CurDAG->getMachineNode(PPC::ADDIC8, dl, MVT::i64, MVT::Glue,
+                                     Xor, getI32Imm(~0U, dl)), 0);
+    return SDValue(CurDAG->getMachineNode(PPC::SUBFE8, dl, MVT::i64, AC,
+                                          Xor, AC.getValue(1)), 0);
+  }
   }
 }
 
@@ -2931,6 +2944,19 @@ SDValue PPCDAGToDAGISel::get64BitSExtCompare(SDValue LHS, SDValue RHS,
     return SDValue(CurDAG->getMachineNode(PPC::SUBFE8, dl, MVT::i64, Addic,
                                           Addic, Addic.getValue(1)), 0);
   }
+  case ISD::SETNE: {
+    // {subfc.reg, subfc.CA} = (subcarry 0, (xor %a, %b))
+    // (sext (setcc %a, %b, setne)) -> (sube subfc.reg, subfc.reg, subfc.CA)
+    // {subfcz.reg, subfcz.CA} = (subcarry 0, %a)
+    // (sext (setcc %a, 0, setne)) -> (sube subfcz.reg, subfcz.reg, subfcz.CA)
+    SDValue Xor = IsRHSZero ? LHS :
+      SDValue(CurDAG->getMachineNode(PPC::XOR8, dl, MVT::i64, LHS, RHS), 0);
+    SDValue SC =
+      SDValue(CurDAG->getMachineNode(PPC::SUBFIC8, dl, MVT::i64, MVT::Glue,
+                                     Xor, getI32Imm(0, dl)), 0);
+    return SDValue(CurDAG->getMachineNode(PPC::SUBFE8, dl, MVT::i64, SC,
+                                          SC, SC.getValue(1)), 0);
+  }
   }
 }
 
diff --git a/llvm/test/CodeGen/PowerPC/logic-ops-on-compares.ll b/llvm/test/CodeGen/PowerPC/logic-ops-on-compares.ll
index df021c20ea86..5a507e9ff678 100644
--- a/llvm/test/CodeGen/PowerPC/logic-ops-on-compares.ll
+++ b/llvm/test/CodeGen/PowerPC/logic-ops-on-compares.ll
@@ -40,8 +40,8 @@ return:                                           ; preds = %if.end, %if.then
   ret i32 %retval.0
 }
 
-define void @neg_truncate_i32(i32 *%ptr) {
-; CHECK-LABEL: neg_truncate_i32:
+define void @neg_truncate_i32_eq(i32 *%ptr) {
+; CHECK-LABEL: neg_truncate_i32_eq:
 ; CHECK:       # BB#0: # %entry
 ; CHECK-NEXT:    lwz r3, 0(r3)
 ; CHECK-NEXT:    rldicl. r3, r3, 0, 63
@@ -66,8 +66,8 @@ if.end29:                                         ; preds = %if.else
 }
 
 ; Function Attrs: nounwind
-define i64 @logic_ne_64(i64 %a, i64 %b, i64 %c) {
-; CHECK-LABEL: logic_ne_64:
+define i64 @logic_eq_64(i64 %a, i64 %b, i64 %c) {
+; CHECK-LABEL: logic_eq_64:
 ; CHECK:    xor r7, r3, r4
 ; CHECK-NEXT:    li r6, 55
 ; CHECK-NEXT:    xor r5, r5, r6
@@ -99,8 +99,8 @@ return:                                           ; preds = %if.end, %if.then
   ret i64 %retval.0
 }
 
-define void @neg_truncate_i64(i64 *%ptr) {
-; CHECK-LABEL: neg_truncate_i64:
+define void @neg_truncate_i64_eq(i64 *%ptr) {
+; CHECK-LABEL: neg_truncate_i64_eq:
 ; CHECK:       # BB#0: # %entry
 ; CHECK-NEXT:    ld r3, 0(r3)
 ; CHECK-NEXT:    rldicl. r3, r3, 0, 63
@@ -124,6 +124,67 @@ if.end29:                                         ; preds = %if.else
 
 }
 
+; Function Attrs: nounwind
+define i64 @logic_ne_64(i64 %a, i64 %b, i64 %c) {
+; CHECK-LABEL: logic_ne_64:
+; CHECK:    xor r7, r3, r4
+; CHECK-NEXT:    li r6, 55
+; CHECK-NEXT:    addic r8, r7, -1
+; CHECK-NEXT:    xor r5, r5, r6
+; CHECK-NEXT:    subfe r7, r8, r7
+; CHECK-NEXT:    cntlzd r5, r5
+; CHECK-NEXT:    addic r12, r4, -1
+; CHECK-NEXT:    rldicl r5, r5, 58, 63
+; CHECK-NEXT:    subfe r6, r12, r4
+; CHECK-NEXT:    and r6, r7, r6
+; CHECK-NEXT:    or. r5, r6, r5
+; CHECK-NEXT:    bc 4, 1
+entry:
+  %tobool = icmp ne i64 %a, %b
+  %tobool1 = icmp ne i64 %b, 0
+  %or.cond = and i1 %tobool, %tobool1
+  %tobool3 = icmp eq i64 %c, 55
+  %or.cond5 = or i1 %or.cond, %tobool3
+  br i1 %or.cond5, label %if.end, label %if.then
+
+if.then:                                          ; preds = %entry
+  %call = tail call i64 @foo64(i64 %a) #2
+  br label %return
+
+if.end:                                           ; preds = %entry
+  %call4 = tail call i64 @bar64(i64 %b) #2
+  br label %return
+
+return:                                           ; preds = %if.end, %if.then
+  %retval.0 = phi i64 [ %call4, %if.end ], [ %call, %if.then ]
+  ret i64 %retval.0
+}
+
+define void @neg_truncate_i64_ne(i64 *%ptr) {
+; CHECK-LABEL: neg_truncate_i64_ne:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    ld r3, 0(r3)
+; CHECK-NEXT:    andi. r3, r3, 1
+; CHECK-NEXT:    bclr 12, 1, 0
+; CHECK-NEXT:  # BB#1: # %if.end29.thread136
+; CHECK-NEXT:  .LBB5_2: # %if.end29
+entry:
+  %0 = load i64, i64* %ptr, align 4
+  %rem17127 = and i64 %0, 1
+  %cmp18 = icmp ne i64 %rem17127, 0
+  br label %if.else
+
+if.else:                                          ; preds = %entry
+  br i1 %cmp18, label %if.end29, label %if.end29.thread136
+
+if.end29.thread136:                               ; preds = %if.else
+  unreachable
+
+if.end29:                                         ; preds = %if.else
+  ret void
+
+}
+
 declare signext i32 @foo(i32 signext)
 declare signext i32 @bar(i32 signext)
 declare i64 @foo64(i64)
diff --git a/llvm/test/CodeGen/PowerPC/testComparesinesll.ll b/llvm/test/CodeGen/PowerPC/testComparesinesll.ll
new file mode 100644
index 000000000000..9e9369455857
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/testComparesinesll.ll
@@ -0,0 +1,125 @@
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+
+@glob = common local_unnamed_addr global i64 0, align 8
+
+define signext i32 @test_inesll(i64 %a, i64 %b) {
+; CHECK-LABEL: test_inesll:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    addic r4, r3, -1
+; CHECK-NEXT:    subfe r3, r4, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+}
+
+define signext i32 @test_inesll_sext(i64 %a, i64 %b) {
+; CHECK-LABEL: test_inesll_sext:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+define signext i32 @test_inesll_z(i64 %a) {
+; CHECK-LABEL: test_inesll_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addic r4, r3, -1
+; CHECK-NEXT:    subfe r3, r4, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+}
+
+define signext i32 @test_inesll_sext_z(i64 %a) {
+; CHECK-LABEL: test_inesll_sext_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+define void @test_inesll_store(i64 %a, i64 %b) {
+; CHECK-LABEL: test_inesll_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    addic r5, r3, -1
+; CHECK-NEXT:    subfe r3, r5, r3
+; CHECK-NEXT:    std r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = zext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_inesll_sext_store(i64 %a, i64 %b) {
+; CHECK-LABEL: test_inesll_sext_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    std r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = sext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_inesll_z_store(i64 %a) {
+; CHECK-LABEL: test_inesll_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    addic r5, r3, -1
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    subfe r3, r5, r3
+; CHECK-NEXT:    std r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = zext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_inesll_sext_z_store(i64 %a) {
+; CHECK-LABEL: test_inesll_sext_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    std r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = sext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
diff --git a/llvm/test/CodeGen/PowerPC/testComparesineull.ll b/llvm/test/CodeGen/PowerPC/testComparesineull.ll
new file mode 100644
index 000000000000..7f0fed15157c
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/testComparesineull.ll
@@ -0,0 +1,125 @@
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+
+@glob = common local_unnamed_addr global i64 0, align 8
+
+define signext i32 @test_ineull(i64 %a, i64 %b) {
+; CHECK-LABEL: test_ineull:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    addic r4, r3, -1
+; CHECK-NEXT:    subfe r3, r4, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+}
+
+define signext i32 @test_ineull_sext(i64 %a, i64 %b) {
+; CHECK-LABEL: test_ineull_sext:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+define signext i32 @test_ineull_z(i64 %a) {
+; CHECK-LABEL: test_ineull_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addic r4, r3, -1
+; CHECK-NEXT:    subfe r3, r4, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+}
+
+define signext i32 @test_ineull_sext_z(i64 %a) {
+; CHECK-LABEL: test_ineull_sext_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+define void @test_ineull_store(i64 %a, i64 %b) {
+; CHECK-LABEL: test_ineull_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    addic r5, r3, -1
+; CHECK-NEXT:    subfe r3, r5, r3
+; CHECK-NEXT:    std r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = zext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_ineull_sext_store(i64 %a, i64 %b) {
+; CHECK-LABEL: test_ineull_sext_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    std r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = sext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_ineull_z_store(i64 %a) {
+; CHECK-LABEL: test_ineull_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    addic r5, r3, -1
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    subfe r3, r5, r3
+; CHECK-NEXT:    std r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = zext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_ineull_sext_z_store(i64 %a) {
+; CHECK-LABEL: test_ineull_sext_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    std r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = sext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
diff --git a/llvm/test/CodeGen/PowerPC/testComparesllnesll.ll b/llvm/test/CodeGen/PowerPC/testComparesllnesll.ll
new file mode 100644
index 000000000000..d87ff55739fc
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/testComparesllnesll.ll
@@ -0,0 +1,125 @@
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+
+@glob = common local_unnamed_addr global i64 0, align 8
+
+define i64 @test_llnesll(i64 %a, i64 %b) {
+; CHECK-LABEL: test_llnesll:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    addic r4, r3, -1
+; CHECK-NEXT:    subfe r3, r4, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = zext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+define i64 @test_llnesll_sext(i64 %a, i64 %b) {
+; CHECK-LABEL: test_llnesll_sext:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = sext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+define i64 @test_llnesll_z(i64 %a) {
+; CHECK-LABEL: test_llnesll_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addic r4, r3, -1
+; CHECK-NEXT:    subfe r3, r4, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = zext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+define i64 @test_llnesll_sext_z(i64 %a) {
+; CHECK-LABEL: test_llnesll_sext_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = sext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+define void @test_llnesll_store(i64 %a, i64 %b) {
+; CHECK-LABEL: test_llnesll_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    addic r5, r3, -1
+; CHECK-NEXT:    subfe r3, r5, r3
+; CHECK-NEXT:    std r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = zext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_llnesll_sext_store(i64 %a, i64 %b) {
+; CHECK-LABEL: test_llnesll_sext_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    std r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = sext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_llnesll_z_store(i64 %a) {
+; CHECK-LABEL: test_llnesll_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    addic r5, r3, -1
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    subfe r3, r5, r3
+; CHECK-NEXT:    std r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = zext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_llnesll_sext_z_store(i64 %a) {
+; CHECK-LABEL: test_llnesll_sext_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    std r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = sext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
diff --git a/llvm/test/CodeGen/PowerPC/testComparesllneull.ll b/llvm/test/CodeGen/PowerPC/testComparesllneull.ll
new file mode 100644
index 000000000000..7309d5899068
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/testComparesllneull.ll
@@ -0,0 +1,125 @@
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+
+@glob = common local_unnamed_addr global i64 0, align 8
+
+define i64 @test_llneull(i64 %a, i64 %b) {
+; CHECK-LABEL: test_llneull:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    addic r4, r3, -1
+; CHECK-NEXT:    subfe r3, r4, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = zext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+define i64 @test_llneull_sext(i64 %a, i64 %b) {
+; CHECK-LABEL: test_llneull_sext:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = sext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+define i64 @test_llneull_z(i64 %a) {
+; CHECK-LABEL: test_llneull_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addic r4, r3, -1
+; CHECK-NEXT:    subfe r3, r4, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = zext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+define i64 @test_llneull_sext_z(i64 %a) {
+; CHECK-LABEL: test_llneull_sext_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = sext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+define void @test_llneull_store(i64 %a, i64 %b) {
+; CHECK-LABEL: test_llneull_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    addic r5, r3, -1
+; CHECK-NEXT:    subfe r3, r5, r3
+; CHECK-NEXT:    std r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = zext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_llneull_sext_store(i64 %a, i64 %b) {
+; CHECK-LABEL: test_llneull_sext_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    std r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, %b
+  %conv1 = sext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_llneull_z_store(i64 %a) {
+; CHECK-LABEL: test_llneull_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    addic r5, r3, -1
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    subfe r3, r5, r3
+; CHECK-NEXT:    std r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = zext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}
+
+define void @test_llneull_sext_z_store(i64 %a) {
+; CHECK-LABEL: test_llneull_sext_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    subfic r3, r3, 0
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    subfe r3, r3, r3
+; CHECK-NEXT:    std r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp ne i64 %a, 0
+  %conv1 = sext i1 %cmp to i64
+  store i64 %conv1, i64* @glob, align 8
+  ret void
+}