llvm-6502/test/CodeGen/X86/iabs.ll
Dale Johannesen 0a6ee6d131 Remove -unwind-tables-optional everywhere, since
this is now the default.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49667 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-14 17:56:54 +00:00

18 lines
493 B
LLVM

; RUN: llvm-as < %s | llc -march=x86-64 -stats |& \
; RUN: grep {6 .*Number of machine instrs printed}
;; Integer absolute value, should produce something at least as good as:
;; movl %edi, %eax
;; sarl $31, %eax
;; addl %eax, %edi
;; xorl %eax, %edi
;; movl %edi, %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
}