Chris Lattner | 603572a | 2007-04-11 05:02:57 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | llc -march=x86-64 -stats 2>&1 | grep '6 .*Number of machine instrs printed' |
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3 | ;; Integer absolute value, should produce something at least as good as: | ||||
4 | ;; movl %edi, %eax | ||||
5 | ;; sarl $31, %eax | ||||
6 | ;; addl %eax, %edi | ||||
7 | ;; xorl %eax, %edi | ||||
8 | ;; movl %edi, %eax | ||||
9 | ;; ret | ||||
10 | define i32 @test(i32 %a) { | ||||
11 | %tmp1neg = sub i32 0, %a | ||||
12 | %b = icmp sgt i32 %a, -1 | ||||
13 | %abs = select i1 %b, i32 %a, i32 %tmp1neg | ||||
14 | ret i32 %abs | ||||
15 | } | ||||
16 |