blob: ca751ae1d2e4ece672bba4a67c256211acddbeee [file] [log] [blame]
Dale Johannesenf0d6daf2008-04-14 17:56:54 +00001; RUN: llvm-as < %s | llc -march=x86-64 -stats |& \
Dan Gohmanf17a25c2007-07-18 16:29:46 +00002; RUN: grep {6 .*Number of machine instrs printed}
3
4;; Integer absolute value, should produce something at least as good as:
5;; movl %edi, %eax
6;; sarl $31, %eax
7;; addl %eax, %edi
8;; xorl %eax, %edi
9;; movl %edi, %eax
10;; ret
Dale Johannesen6e04eac2008-03-31 23:20:09 +000011define i32 @test(i32 %a) nounwind {
Dan Gohmanf17a25c2007-07-18 16:29:46 +000012 %tmp1neg = sub i32 0, %a
13 %b = icmp sgt i32 %a, -1
14 %abs = select i1 %b, i32 %a, i32 %tmp1neg
15 ret i32 %abs
16}
17