Testcase for r233239.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233240 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/PowerPC/ppc-empty-fs.ll

@@ -0,0 +1,32 @@
+; RUN: llc < %s | FileCheck %s
+; This guarantees that we add the default set of features to the current feature
+; string. We won't successfully legalize the types here without +64bit being
+; silently added.
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+%struct.fab = type { float, float }
+
+; Function Attrs: nounwind
+define void @func_fab(%struct.fab* noalias sret %agg.result, i64 %x.coerce) #0 {
+entry:
+  %x = alloca %struct.fab, align 8
+  %0 = bitcast %struct.fab* %x to i64*
+  store i64 %x.coerce, i64* %0, align 1
+  %1 = bitcast %struct.fab* %agg.result to i8*
+  %2 = bitcast %struct.fab* %x to i8*
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 8, i32 4, i1 false)
+  ret void
+}
+
+; CHECK: func_fab
+
+; Function Attrs: nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #1
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "target-features"="" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind }
+
+!llvm.ident = !{!0}
+
+!0 = !{!"clang version 3.7.0 (trunk 233227) (llvm/trunk 233226)"}