1 ; RUN: llc -mtriple=i686-- < %s | FileCheck %s
3 ; The comparison happens after the relevant use, so the stride can easily
4 ; be changed. The comparison can be done in a narrower mode than the
6 ; TODO: By making the first store post-increment as well, the loop setup
7 ; could be made simpler.
9 define void @foo() nounwind {
19 %indvar = phi i32 [ 0, %entry ], [ %i.2.0.us1534, %loop ] ; <i32> [#uses=1]
20 %i.2.0.us1534 = add i32 %indvar, 1 ; <i32> [#uses=3]
21 %tmp628.us1540 = shl i32 %i.2.0.us1534, 1 ; <i32> [#uses=1]
22 %tmp645646647.us1547 = sext i32 %tmp628.us1540 to i64 ; <i64> [#uses=1]
23 store i64 %tmp645646647.us1547, i64* null
24 %tmp611.us1535 = icmp eq i32 %i.2.0.us1534, 4 ; <i1> [#uses=2]
25 %tmp623.us1538 = select i1 %tmp611.us1535, i32 6, i32 0 ; <i32> [#uses=1]
26 store i32 %tmp623.us1538, i32* null
27 br i1 %tmp611.us1535, label %exit, label %loop