blob: 6a79ee879253fa3c3e6fc7134506efff8fc5a384 [file] [log] [blame]
Dan Gohman36a09472009-09-08 23:54:48 +00001; RUN: llc < %s -march=x86-64 -stats |& \
Reid Spencer4cda1902007-04-16 15:15:52 +00002; RUN: grep {6 .*Number of machine instrs printed}
Chris Lattner603572a2007-04-11 05:02:57 +00003
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 Johannesen1d3863f2008-03-31 23:20:09 +000011define i32 @test(i32 %a) nounwind {
Chris Lattner603572a2007-04-11 05:02:57 +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