mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-05 13:09:10 +00:00
0a6ee6d131
this is now the default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49667 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
493 B
LLVM
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
|
|
}
|
|
|