-; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=-sse2,-sse3 | grep fchs
+; RUN: llc < %s -march=x86 -mattr=-sse2,-sse3 | FileCheck %s
+; CHECK: fchs
-double %T() {
+
+define double @T() {
ret double -1.0 ;; codegen as fld1/fchs, not as a load from cst pool
}