Expand scalar_to_vector - we don't have any isel logic for it now

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80107 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 7d8362c93dab1b1d1831bab887c209f8e68156cc..7d308ca805afbe030b6f701e7023b4165899275a 100644 (file)
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -78,7 +78,7 @@ void ARMTargetLowering::addTypeForNEON(EVT VT, EVT PromotedLdStVT,
     setOperationAction(ISD::EXTRACT_VECTOR_ELT, VT.getSimpleVT(), Custom);
   setOperationAction(ISD::BUILD_VECTOR, VT.getSimpleVT(), Custom);
   setOperationAction(ISD::VECTOR_SHUFFLE, VT.getSimpleVT(), Custom);
-  setOperationAction(ISD::SCALAR_TO_VECTOR, VT.getSimpleVT(), Custom);
+  setOperationAction(ISD::SCALAR_TO_VECTOR, VT.getSimpleVT(), Expand);
   setOperationAction(ISD::CONCAT_VECTORS, VT.getSimpleVT(), Custom);
   setOperationAction(ISD::EXTRACT_SUBVECTOR, VT.getSimpleVT(), Expand);
   if (VT.isInteger()) {

diff --git a/test/CodeGen/ARM/2009-08-26-ScalarToVector.ll b/test/CodeGen/ARM/2009-08-26-ScalarToVector.ll
new file mode 100644 (file)
index 0000000..f8da1ab
--- /dev/null
+++ b/test/CodeGen/ARM/2009-08-26-ScalarToVector.ll
@@ -0,0 +1,27 @@
+; RUN: llvm-as < %s | llc -mattr=+neon
+target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32"
+target triple = "thumbv7-elf"
+
+%bar = type { float, float, float }
+%baz = type { i32, [16 x %bar], [16 x float], [16 x i32], i8 }
+%foo = type { <4 x float> }
+%quux = type { i32 (...)**, %baz*, i32 }
+%quuz = type { %quux, i32, %bar, [128 x i8], [16 x %foo], %foo, %foo, %foo }
+
+declare <2 x i32> @llvm.arm.neon.vpadd.v2i32(<2 x i32>, <2 x i32>) nounwind readnone
+
+define arm_apcscc void @_ZN6squish10ClusterFit9Compress3EPv(%quuz* %this, i8* %block) {
+entry:
+  %0 = lshr <4 x i32> zeroinitializer, <i32 31, i32 31, i32 31, i32 31> ; <<4 x i32>> [#uses=1]
+  %1 = shufflevector <4 x i32> %0, <4 x i32> undef, <2 x i32> <i32 2, i32 3> ; <<2 x i32>> [#uses=1]
+  %2 = call <2 x i32> @llvm.arm.neon.vpadd.v2i32(<2 x i32> undef, <2 x i32> %1) nounwind ; <<2 x i32>> [#uses=1]
+  %3 = extractelement <2 x i32> %2, i32 0         ; <i32> [#uses=1]
+  %not..i = icmp eq i32 %3, undef                 ; <i1> [#uses=1]
+  br i1 %not..i, label %return, label %bb221
+
+bb221:                                            ; preds = %bb221, %entry
+  br label %bb221
+
+return:                                           ; preds = %entry
+  ret void
+}