PowerPC cannot truncstore i1 natively


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23304 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index bf8dbed..340c0a4 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -91,6 +91,9 @@
   setOperationAction(ISD::SINT_TO_FP, MVT::i32, Expand);
   setOperationAction(ISD::UINT_TO_FP, MVT::i32, Expand);
 
+  // PowerPC does not have truncstore for i1.
+  setOperationAction(ISD::TRUNCSTORE, MVT::i1, Promote);
+  
   // 64 bit PowerPC implementations have instructions to facilitate conversion
   // between i64 and fp.
   if (TM.getSubtarget<PPCSubtarget>().is64Bit()) {