Expand small memmovs using inline code. Set the X86 threshold for expanding
memmove to a more plausible value, now that it's actually being used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51696 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/memmove-4.ll b/test/CodeGen/X86/memmove-4.ll
new file mode 100644
index 0000000..f23c7d5
--- /dev/null
+++ b/test/CodeGen/X86/memmove-4.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llc | not grep call
+
+target triple = "i686-pc-linux-gnu"
+
+define void @a(i8* %a, i8* %b) nounwind {
+ %tmp2 = bitcast i8* %a to i8*
+ %tmp3 = bitcast i8* %b to i8*
+ tail call void @llvm.memmove.i32( i8* %tmp2, i8* %tmp3, i32 12, i32 4 )
+ ret void
+}
+
+declare void @llvm.memmove.i32(i8*, i8*, i32, i32)