diff options
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/rotl-rotr-crash.ll | 12 |
2 files changed, 14 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index 72a3fbe83e1..176a8b3ea59 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -479,6 +479,8 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM, setOperationAction(ISD::CTTZ_ZERO_UNDEF, VT, Expand); setOperationAction(ISD::VSELECT, VT, Expand); setOperationAction(ISD::SIGN_EXTEND_INREG, VT, Expand); + setOperationAction(ISD::ROTL, VT, Expand); + setOperationAction(ISD::ROTR, VT, Expand); for (MVT InnerVT : MVT::vector_valuetypes()) { setTruncStoreAction(VT, InnerVT, Expand); diff --git a/llvm/test/CodeGen/PowerPC/rotl-rotr-crash.ll b/llvm/test/CodeGen/PowerPC/rotl-rotr-crash.ll new file mode 100644 index 00000000000..3fbb67ecf25 --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/rotl-rotr-crash.ll @@ -0,0 +1,12 @@ +; RUN: llc < %s -mtriple=powerpc64le-unknown-unknown -mcpu=pwr8 + +; Ensure this does not crash + +; Function Attrs: norecurse nounwind +define <4 x i32> @func1 (<4 x i32> %a) { +entry: + %0 = lshr <4 x i32> %a, <i32 16, i32 16, i32 16, i32 16> + %1 = shl <4 x i32> %a, <i32 16, i32 16, i32 16, i32 16> + %2 = or <4 x i32> %1, %0 + ret <4 x i32> %2 +} |
