llvm-project/llvm/test/CodeGen/Hexagon/sube.ll

; RUN: llc -march=hexagon < %s | FileCheck %s

; CHECK: r{{[0-9]+:[0-9]+}} = #0
; CHECK: r{{[0-9]+:[0-9]+}} = #1
; CHECK: p{{[0-9]+}} = cmp.gtu(r{{[0-9]+:[0-9]+}}, r{{[0-9]+:[0-9]+}})
; CHECK: r{{[0-9]+}} = mux(p{{[0-9]+}}, r{{[0-9]+}}, r{{[0-9]+}})
; CHECK: r{{[0-9]+}} = mux(p{{[0-9]+}}, r{{[0-9]+}}, r{{[0-9]+}})
; CHECK: r{{[0-9]+:[0-9]+}} = sub(r{{[0-9]+:[0-9]+}}, r{{[0-9]+:[0-9]+}})
; CHECK: r{{[0-9]+:[0-9]+}} = sub(r{{[0-9]+:[0-9]+}}, r{{[0-9]+:[0-9]+}})
; CHECK: r{{[0-9]+:[0-9]+}} = combine(r{{[0-9]+}}, r{{[0-9]+}})

define void @check_sube_subc(i64 %AL, i64 %AH, i64 %BL, i64 %BH, i64* %RL, i64* %RH) {
entry:
        %tmp1 = zext i64 %AL to i128
        %tmp23 = zext i64 %AH to i128
        %tmp4 = shl i128 %tmp23, 64
        %tmp5 = or i128 %tmp4, %tmp1
        %tmp67 = zext i64 %BL to i128
        %tmp89 = zext i64 %BH to i128
        %tmp11 = shl i128 %tmp89, 64
        %tmp12 = or i128 %tmp11, %tmp67
        %tmp15 = sub i128 %tmp5, %tmp12
        %tmp1617 = trunc i128 %tmp15 to i64
        store i64 %tmp1617, i64* %RL
        %tmp21 = lshr i128 %tmp15, 64
        %tmp2122 = trunc i128 %tmp21 to i64
        store i64 %tmp2122, i64* %RH
        ret void
}