diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 4ebb99c978415..819e608c6896e 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -5751,10 +5751,8 @@ SDValue TargetLowering::getNegatedExpression(SDValue Op, SelectionDAG &DAG,
 
     // If we already have the use of the negated floating constant, it is free
     // to negate it even it has multiple uses.
-    if (!Op.hasOneUse() && CFP.use_empty()) {
-      RemoveDeadNode(CFP);
+    if (!Op.hasOneUse() && CFP.use_empty())
       break;
-    }
     Cost = NegatibleCost::Neutral;
     return CFP;
   }
diff --git a/llvm/test/CodeGen/X86/pr47517.ll b/llvm/test/CodeGen/X86/pr47517.ll
deleted file mode 100644
index 6b508acf15dda..0000000000000
--- a/llvm/test/CodeGen/X86/pr47517.ll
+++ /dev/null
@@ -1,28 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc -mtriple x86_64 < %s | FileCheck %s
-
-; To ensure unused floating point constant is removed in negation
-define float @test(float %src, float* %p) {
-; CHECK-LABEL: test:
-; CHECK:       # %bb.0: # %entry
-; CHECK-NEXT:    movq $0, (%rdi)
-; CHECK-NEXT:    xorps %xmm0, %xmm0
-; CHECK-NEXT:    retq
-entry:
-  %a0 = getelementptr inbounds float, float* %p, i32 0
-  %a1 = getelementptr inbounds float, float* %p, i32 1
-  store float 0.000000e+00, float* %a0
-  store float 0.000000e+00, float* %a1
-  %zero = load float, float* %a0
-  %fmul1 = fmul fast float %zero, %src
-  %fadd1 = fadd fast float %fmul1, %zero
-  %fmul2 = fmul fast float %fadd1, 2.000000e+00
-  %fmul3 = fmul fast float %fmul2, %fmul2
-  %fmul4 = fmul fast float %fmul2, 2.000000e+00
-  %fadd2 = fadd fast float %fmul4, -3.000000e+00
-  %fmul5 = fmul fast float %fadd2, %fmul2
-  %fadd3 = fadd fast float %fmul2, %src
-  %fadd4 = fadd fast float %fadd3, %fmul5
-  %fmul6 = fmul fast float %fmul3, %fadd4
-  ret float %fmul6
-}