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llvm-mirror/test/CodeGen/PowerPC/iabs.ll
2013-03-12 16:27:52 +00:00

17 lines
434 B
LLVM

; REQUIRES: asserts
; RUN: llc < %s -march=ppc32 -stats 2>&1 | \
; RUN: grep "4 .*Number of machine instrs printed"
;; Integer absolute value, should produce something as good as:
;; srawi r2, r3, 31
;; add r3, r3, r2
;; xor r3, r3, r2
;; blr
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
}