Index: test/CodeGen/Generic/inline-is-constant.ll
===================================================================
--- /dev/null
+++ test/CodeGen/Generic/inline-is-constant.ll
@@ -0,0 +1,29 @@
+; RUN: opt -O3 < %s | lli
+; 
+; Expected outcome: @fun is inlined and @llvm.is.constant is resolved to TRUE
+; Without inlining @llvm.is.constant would resolve to FALSE.
+
+declare i1 @llvm.is.constant.i32(i32 %a)
+
+; Function Attrs: nounwind uwtable alwaysinline
+define private i1 @fun(i32 %x) #0 {
+  %x.addr = alloca i32, align 4
+  store i32 %x, i32* %x.addr, align 4
+  %value = load i32* %x.addr, align 4
+  %const = call i1 @llvm.is.constant.i32(i32 %value)
+  ret i1 %const
+}
+
+; Function Attrs: nounwind uwtable
+define i32 @main() #1 {
+  %call = call i1 @fun(i32 127)
+  br i1 %call, label %IfTrue, label %IfFalse
+IfTrue:
+  ret i32 0
+IfFalse:
+  ret i32 1
+}
+
+attributes #0 = { nounwind uwtable alwaysinline }
+
+attributes #1 = { nounwind uwtable }