--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/llvm/test/Feature/newcasts.ll	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,36 @@
+; RUN: llvm-as < %s | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
+define void @"NewCasts" (i16 %x) {
+  %a = zext i16 %x to i32
+  %b = sext i16 %x to i32
+  %c = trunc i16 %x to i8
+  %d = uitofp i16 %x to float
+  %e = sitofp i16 %x to double
+  %f = fptoui float %d to i16
+  %g = fptosi double %e to i16
+  %i = fpext float %d to double
+  %j = fptrunc double %i to float
+  %k = bitcast i32 %a to float
+  %l = inttoptr i16 %x to i32*
+  %m = ptrtoint i32* %l to i64
+  %n = insertelement <4 x i32> undef, i32 %a, i32 0
+  %o = sitofp <4 x i32> %n to <4 x float>
+  %p = uitofp <4 x i32> %n to <4 x float>
+  %q = fptosi <4 x float> %p to <4 x i32>
+  %r = fptoui <4 x float> %p to <4 x i32>
+  %s = inttoptr <4 x i32> %n to <4 x i32*>
+  %t = addrspacecast <4 x i32*> %s to <4 x i32 addrspace(1)*>
+  %z = addrspacecast <4 x i32*> %s to <4 x float addrspace(2)*>
+  ret void
+}
+
+
+define i16 @"ZExtConst" () {
+  ret i16 trunc ( i32 zext ( i16 42 to i32) to i16 )
+}
+
+define i16 @"SExtConst" () {
+  ret i16 trunc (i32 sext (i16 42 to i32) to i16 )
+}