mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 12:12:47 +01:00
18 lines
405 B
LLVM
18 lines
405 B
LLVM
; RUN: llc < %s -march=thumb -stats |& \
|
|
; RUN: grep {4 .*Number of machine instrs printed}
|
|
|
|
;; Integer absolute value, should produce something as good as:
|
|
;; Thumb:
|
|
;; asr r2, r0, #31
|
|
;; add r0, r0, r2
|
|
;; eor r0, r2
|
|
;; bx lr
|
|
|
|
define i32 @test(i32 %a) {
|
|
%tmp1neg = sub i32 0, %a
|
|
%b = icmp sgt i32 %a, -1
|
|
%abs = select i1 %b, i32 %a, i32 %tmp1neg
|
|
ret i32 %abs
|
|
}
|
|
|