llvm-6502/test/CodeGen/X86/iabs.ll

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; RUN: llc < %s -march=x86-64 -stats |& \
; RUN: grep {5 .*Number of machine instrs printed}
;; Integer absolute value, should produce something at least as good as:
;; movl %edi, %ecx
;; sarl $31, %ecx
;; leal (%rdi,%rcx), %eax
;; xorl %ecx, %eax
;; ret
define i32 @test(i32 %a) nounwind {
%tmp1neg = sub i32 0, %a
%b = icmp sgt i32 %a, -1
%abs = select i1 %b, i32 %a, i32 %tmp1neg
ret i32 %abs
}