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-rw-r--r--lib/Target/MSP430/MSP430ISelLowering.cpp4
-rw-r--r--test/CodeGen/MSP430/2009-05-17-Rot.ll17
2 files changed, 21 insertions, 0 deletions
diff --git a/lib/Target/MSP430/MSP430ISelLowering.cpp b/lib/Target/MSP430/MSP430ISelLowering.cpp
index 387cebffc0..14db20e5fc 100644
--- a/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ b/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -73,6 +73,10 @@ MSP430TargetLowering::MSP430TargetLowering(MSP430TargetMachine &tm) :
setOperationAction(ISD::SRA, MVT::i16, Custom);
setOperationAction(ISD::SHL, MVT::i16, Custom);
setOperationAction(ISD::SRL, MVT::i16, Custom);
+ setOperationAction(ISD::ROTL, MVT::i8, Expand);
+ setOperationAction(ISD::ROTR, MVT::i8, Expand);
+ setOperationAction(ISD::ROTL, MVT::i16, Expand);
+ setOperationAction(ISD::ROTR, MVT::i16, Expand);
setOperationAction(ISD::RET, MVT::Other, Custom);
setOperationAction(ISD::GlobalAddress, MVT::i16, Custom);
setOperationAction(ISD::ExternalSymbol, MVT::i16, Custom);
diff --git a/test/CodeGen/MSP430/2009-05-17-Rot.ll b/test/CodeGen/MSP430/2009-05-17-Rot.ll
new file mode 100644
index 0000000000..c25a906308
--- /dev/null
+++ b/test/CodeGen/MSP430/2009-05-17-Rot.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-as < %s | llc -march=msp430
+
+define i16 @rol1u16(i16 %x.arg) nounwind {
+ %retval = alloca i16
+ %x = alloca i16
+ store i16 %x.arg, i16* %x
+ %1 = load i16* %x
+ %2 = shl i16 %1, 1
+ %3 = load i16* %x
+ %4 = lshr i16 %3, 15
+ %5 = or i16 %2, %4
+ store i16 %5, i16* %retval
+ br label %return
+return:
+ %6 = load i16* %retval
+ ret i16 %6
+} \ No newline at end of file