1 files changed, 8 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
index e6e126bf784..07ee3c032c2 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -1680,11 +1680,18 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
       return SelectInst::Create(Cond, Call0, Call1);
     }
 
+    LLVM_FALLTHROUGH;
+  }
+  case Intrinsic::ceil:
+  case Intrinsic::floor:
+  case Intrinsic::round:
+  case Intrinsic::nearbyint:
+  case Intrinsic::trunc: {
     Value *ExtSrc;
     if (match(II->getArgOperand(0), m_FPExt(m_Value(ExtSrc))) &&
         II->getArgOperand(0)->hasOneUse()) {
       // fabs (fpext x) -> fpext (fabs x)
-      Value *F = Intrinsic::getDeclaration(II->getModule(), Intrinsic::fabs,
+      Value *F = Intrinsic::getDeclaration(II->getModule(), II->getIntrinsicID(),
                                            { ExtSrc->getType() });
       CallInst *NewFabs = Builder->CreateCall(F, ExtSrc);
       NewFabs->copyFastMathFlags(II);