hanchenye-llvm-project/llvm/test/CodeGen/X86/negative_zero.ll

; RUN: llvm-as < %s | llc -march=x86 -mattr=-sse2,-sse3 | grep fchs


define double @T() {
	ret double -1.0   ;; codegen as fld1/fchs, not as a load from cst pool
}