1 ; RUN: llvm-upgrade < %s | llvm-as | opt -loop-reduce | llvm-dis | \
2 ; RUN: grep {add i32 %iv.*inc, 1}
4 ; Make sure that the use of the IV outside of the loop (the store) uses the
5 ; post incremented value of the IV, not the preincremented value. This
6 ; prevents the loop from having to keep the post and pre-incremented value
7 ; around for the duration of the loop, adding a copy and an extra register
10 declare bool %pred(int %X)
12 void %test([700 x int]* %nbeaux_.0__558, int* %i_.16574) {
16 no_exit.2: ; preds = %no_exit.2, %then.0
17 %indvar630.ui = phi uint [ 0, %then.0 ], [ %indvar.next631, %no_exit.2 ] ; <uint> [#uses=3]
18 %indvar630 = cast uint %indvar630.ui to int ; <int> [#uses=1]
19 %tmp.38 = getelementptr [700 x int]* %nbeaux_.0__558, int 0, uint %indvar630.ui ; <int*> [#uses=1]
20 store int 0, int* %tmp.38
21 %inc.2 = add int %indvar630, 2 ; <int> [#uses=2]
22 %tmp.34 = call bool %pred(int %indvar630)
23 %indvar.next631 = add uint %indvar630.ui, 1 ; <uint> [#uses=1]
24 br bool %tmp.34, label %no_exit.2, label %loopexit.2.loopexit
26 loopexit.2.loopexit: ; preds = %no_exit.2
27 store int %inc.2, int* %i_.16574