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-rw-r--r--llvm/lib/Target/PowerPC/PPCISelLowering.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index d1101126ad6..e76d61aacdf 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -136,6 +136,9 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM,
addRegisterClass(MVT::f64, &PPC::F8RCRegClass);
}
+ // Match BITREVERSE to customized fast code sequence in the td file.
+ setOperationAction(ISD::BITREVERSE, MVT::i32, Legal);
+
// PowerPC has an i16 but no i8 (or i1) SEXTLOAD.
for (MVT VT : MVT::integer_valuetypes()) {
setLoadExtAction(ISD::SEXTLOAD, VT, MVT::i1, Promote);
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