diff --git a/test/CodeGen/Generic/fpowi-promote.ll b/test/CodeGen/Generic/fpowi-promote.ll
new file mode 100644
index 00000000000..118bd68cf39
--- /dev/null
+++ b/test/CodeGen/Generic/fpowi-promote.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llc &&
+; RUN: llvm-as < %s | llc -march=x86 -mcpu=i386
+
+; PR1239
+
+define float @test(float %tmp23302331, i32 %tmp23282329 ) {
+
+%tmp2339 = call float @llvm.powi.f32( float %tmp23302331, i32 %tmp23282329 )
+	ret float %tmp2339
+}
+
+declare float @llvm.powi.f32(float,i32)