R600/SI: Cleanup code with ChangeToFPImmediate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220063 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/SIShrinkInstructions.cpp b/lib/Target/R600/SIShrinkInstructions.cpp
index 5eaf4a5..fef3978 100644 (file)
--- a/lib/Target/R600/SIShrinkInstructions.cpp
+++ b/lib/Target/R600/SIShrinkInstructions.cpp
@@ -153,10 +153,9 @@ static void foldImmediates(MachineInstr &MI, const SIInstrInfo *TII,
         Src0->ChangeToImmediate(MovSrc.getImm());
         ConstantFolded = true;
       } else if (MovSrc.isFPImm()) {
-        const APFloat &APF = MovSrc.getFPImm()->getValueAPF();
-        if (&APF.getSemantics() == &APFloat::IEEEsingle) {
-          MRI.removeRegOperandFromUseList(Src0);
-          Src0->ChangeToImmediate(APF.bitcastToAPInt().getZExtValue());
+        const ConstantFP *CFP = MovSrc.getFPImm();
+        if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEsingle) {
+          Src0->ChangeToFPImmediate(CFP);
           ConstantFolded = true;
         }
       }