diff options
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 3 | ||||
| -rw-r--r-- | test/CodeGen/ARM/2010-06-11-vmovdrr-bitcast.ll | 19 |
2 files changed, 21 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index f9a34e0..00da962 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -2447,7 +2447,8 @@ static SDValue ExpandBIT_CONVERT(SDNode *N, SelectionDAG &DAG) { DAG.getConstant(0, MVT::i32)); SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op, DAG.getConstant(1, MVT::i32)); - return DAG.getNode(ARMISD::VMOVDRR, dl, MVT::f64, Lo, Hi); + return DAG.getNode(ISD::BIT_CONVERT, dl, DstVT, + DAG.getNode(ARMISD::VMOVDRR, dl, MVT::f64, Lo, Hi)); } // Turn f64->i64 into VMOVRRD. diff --git a/test/CodeGen/ARM/2010-06-11-vmovdrr-bitcast.ll b/test/CodeGen/ARM/2010-06-11-vmovdrr-bitcast.ll new file mode 100644 index 0000000..7519ca7 --- /dev/null +++ b/test/CodeGen/ARM/2010-06-11-vmovdrr-bitcast.ll @@ -0,0 +1,19 @@ +; RUN: llc < %s -march=arm -mattr=+neon +; Radar 8084742 + +%struct.__int8x8x2_t = type { [2 x <8 x i8>] } + +define arm_apcscc void @foo(%struct.__int8x8x2_t* nocapture %a, i8* %b) nounwind { +entry: + %0 = bitcast %struct.__int8x8x2_t* %a to i128* ; <i128*> [#uses=1] + %srcval = load i128* %0, align 8 ; <i128> [#uses=2] + %tmp6 = trunc i128 %srcval to i64 ; <i64> [#uses=1] + %tmp8 = lshr i128 %srcval, 64 ; <i128> [#uses=1] + %tmp9 = trunc i128 %tmp8 to i64 ; <i64> [#uses=1] + %tmp16.i = bitcast i64 %tmp6 to <8 x i8> ; <<8 x i8>> [#uses=1] + %tmp20.i = bitcast i64 %tmp9 to <8 x i8> ; <<8 x i8>> [#uses=1] + tail call void @llvm.arm.neon.vst2.v8i8(i8* %b, <8 x i8> %tmp16.i, <8 x i8> %tmp20.i) nounwind + ret void +} + +declare void @llvm.arm.neon.vst2.v8i8(i8*, <8 x i8>, <8 x i8>) nounwind |