--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/Assembler/auto_upgrade_intrinsics.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,59 @@
+; Test to make sure intrinsics are automatically upgraded.
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+
+declare i8 @llvm.ctlz.i8(i8)
+declare i16 @llvm.ctlz.i16(i16)
+declare i32 @llvm.ctlz.i32(i32)
+declare i42 @llvm.ctlz.i42(i42)  ; Not a power-of-2
+
+
+declare i32 @llvm.objectsize.i32(i8*, i1) nounwind readonly
+
+
+define void @test.ctlz(i8 %a, i16 %b, i32 %c, i42 %d) {
+; CHECK: @test.ctlz
+
+entry:
+  ; CHECK: call i8 @llvm.ctlz.i8(i8 %a, i1 false)
+  call i8 @llvm.ctlz.i8(i8 %a)
+  ; CHECK: call i16 @llvm.ctlz.i16(i16 %b, i1 false)
+  call i16 @llvm.ctlz.i16(i16 %b)
+  ; CHECK: call i32 @llvm.ctlz.i32(i32 %c, i1 false)
+  call i32 @llvm.ctlz.i32(i32 %c)
+  ; CHECK: call i42 @llvm.ctlz.i42(i42 %d, i1 false)
+  call i42 @llvm.ctlz.i42(i42 %d)
+
+  ret void
+}
+
+declare i8 @llvm.cttz.i8(i8)
+declare i16 @llvm.cttz.i16(i16)
+declare i32 @llvm.cttz.i32(i32)
+declare i42 @llvm.cttz.i42(i42)  ; Not a power-of-2
+
+define void @test.cttz(i8 %a, i16 %b, i32 %c, i42 %d) {
+; CHECK: @test.cttz
+
+entry:
+  ; CHECK: call i8 @llvm.cttz.i8(i8 %a, i1 false)
+  call i8 @llvm.cttz.i8(i8 %a)
+  ; CHECK: call i16 @llvm.cttz.i16(i16 %b, i1 false)
+  call i16 @llvm.cttz.i16(i16 %b)
+  ; CHECK: call i32 @llvm.cttz.i32(i32 %c, i1 false)
+  call i32 @llvm.cttz.i32(i32 %c)
+  ; CHECK: call i42 @llvm.cttz.i42(i42 %d, i1 false)
+  call i42 @llvm.cttz.i42(i42 %d)
+
+  ret void
+}
+
+
+@a = private global [60 x i8] zeroinitializer, align 1
+
+define i32 @test.objectsize() {
+; CHECK-LABEL: @test.objectsize(
+; CHECK: @llvm.objectsize.i32.p0i8
+; CHECK-DAG: declare i32 @llvm.objectsize.i32.p0i8
+  %s = call i32 @llvm.objectsize.i32(i8* getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0), i1 false)
+  ret i32 %s
+}