diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -2097,6 +2097,18 @@
     Known.Zero |= ~InMask;
     break;
   }
+  case ISD::EXTRACT_ELEMENT: {
+    SDValue Src = Op.getOperand(0);
+    unsigned Index = Op.getConstantOperandVal(1);
+
+    APInt DemandedSrcBits = APInt::getNullValue(Src.getScalarValueSizeInBits());
+    DemandedSrcBits.insertBits(DemandedBits, Index * BitWidth);
+
+    if (SimplifyDemandedBits(Src, DemandedSrcBits, Known2, TLO, Depth + 1))
+      return true;
+    Known = Known2.extractBits(BitWidth, Index * BitWidth);
+    break;
+  }
   case ISD::EXTRACT_VECTOR_ELT: {
     SDValue Src = Op.getOperand(0);
     SDValue Idx = Op.getOperand(1);
diff --git a/llvm/test/CodeGen/PowerPC/fp128-bitcast-after-operation.ll b/llvm/test/CodeGen/PowerPC/fp128-bitcast-after-operation.ll
--- a/llvm/test/CodeGen/PowerPC/fp128-bitcast-after-operation.ll
+++ b/llvm/test/CodeGen/PowerPC/fp128-bitcast-after-operation.ll
@@ -1,8 +1,8 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=PPC64-P8
-; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PPC64
-; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=PPC64-P8
-; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PPC64
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefixes=PPC64-P8,PPC64-P8-LE
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefixes=PPC64,PPC64-LE
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefixes=PPC64-P8,PPC64-P8-BE
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s -check-prefixes=PPC64,PPC64-BE
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-linux-gnu < %s | FileCheck %s -check-prefix=PPC32
 
 define i128 @test_abs(ppc_fp128 %x) nounwind  {
@@ -89,30 +89,46 @@
 }
 
 define i128 @test_copysign(ppc_fp128 %x) nounwind  {
-; PPC64-P8-LABEL: test_copysign:
-; PPC64-P8:       # %bb.0: # %entry
-; PPC64-P8-NEXT:    mffprd 3, 1
-; PPC64-P8-NEXT:    li 4, 16399
-; PPC64-P8-NEXT:    li 5, 3019
-; PPC64-P8-NEXT:    rldicr 6, 3, 0, 0
-; PPC64-P8-NEXT:    rldic 3, 4, 48, 1
-; PPC64-P8-NEXT:    rldic 4, 5, 52, 0
-; PPC64-P8-NEXT:    or 3, 6, 3
-; PPC64-P8-NEXT:    xor 4, 6, 4
-; PPC64-P8-NEXT:    blr
+; PPC64-P8-LE-LABEL: test_copysign:
+; PPC64-P8-LE:       # %bb.0: # %entry
+; PPC64-P8-LE-NEXT:    li 3, 16399
+; PPC64-P8-LE-NEXT:    li 4, 3019
+; PPC64-P8-LE-NEXT:    rldic 3, 3, 48, 1
+; PPC64-P8-LE-NEXT:    rldic 4, 4, 52, 0
+; PPC64-P8-LE-NEXT:    blr
 ;
-; PPC64-LABEL: test_copysign:
-; PPC64:       # %bb.0: # %entry
-; PPC64-NEXT:    stfd 1, -8(1)
-; PPC64-NEXT:    li 4, 16399
-; PPC64-NEXT:    li 5, 3019
-; PPC64-NEXT:    ld 3, -8(1)
-; PPC64-NEXT:    rldicr 6, 3, 0, 0
-; PPC64-NEXT:    rldic 3, 4, 48, 1
-; PPC64-NEXT:    rldic 4, 5, 52, 0
-; PPC64-NEXT:    or 3, 6, 3
-; PPC64-NEXT:    xor 4, 6, 4
-; PPC64-NEXT:    blr
+; PPC64-LE-LABEL: test_copysign:
+; PPC64-LE:       # %bb.0: # %entry
+; PPC64-LE-NEXT:    li 3, 16399
+; PPC64-LE-NEXT:    li 4, 3019
+; PPC64-LE-NEXT:    rldic 3, 3, 48, 1
+; PPC64-LE-NEXT:    rldic 4, 4, 52, 0
+; PPC64-LE-NEXT:    blr
+;
+; PPC64-P8-BE-LABEL: test_copysign:
+; PPC64-P8-BE:       # %bb.0: # %entry
+; PPC64-P8-BE-NEXT:    mffprd 3, 1
+; PPC64-P8-BE-NEXT:    li 4, 16399
+; PPC64-P8-BE-NEXT:    li 5, 3019
+; PPC64-P8-BE-NEXT:    rldicr 6, 3, 0, 0
+; PPC64-P8-BE-NEXT:    rldic 3, 4, 48, 1
+; PPC64-P8-BE-NEXT:    rldic 4, 5, 52, 0
+; PPC64-P8-BE-NEXT:    or 3, 6, 3
+; PPC64-P8-BE-NEXT:    xor 4, 6, 4
+; PPC64-P8-BE-NEXT:    blr
+;
+; PPC64-BE-LABEL: test_copysign:
+; PPC64-BE:       # %bb.0: # %entry
+; PPC64-BE-NEXT:    stfd 1, -8(1)
+; PPC64-BE-NEXT:    li 4, 16399
+; PPC64-BE-NEXT:    li 5, 3019
+; PPC64-BE-NEXT:    ld 3, -8(1)
+; PPC64-BE-NEXT:    rldicr 6, 3, 0, 0
+; PPC64-BE-NEXT:    rldic 3, 4, 48, 1
+; PPC64-BE-NEXT:    rldic 4, 5, 52, 0
+; PPC64-BE-NEXT:    or 3, 6, 3
+; PPC64-BE-NEXT:    xor 4, 6, 4
+; PPC64-BE-NEXT:    blr
 ;
 ; PPC32-LABEL: test_copysign:
 ; PPC32:       # %bb.0: # %entry