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1; RUN: llc < %s -mtriple=i686-- | grep align | count 42 3; TODO: Is it a good idea to align inner loops? It's hard to know without4; knowing what their trip counts are, or other dynamic information. For5; now, CodeGen aligns all loops.6 7@x = external dso_local global ptr ; <ptr> [#uses=1]8 9define i32 @t(i32 %a, i32 %b) nounwind readonly ssp {10entry:11 %0 = icmp eq i32 %a, 0 ; <i1> [#uses=1]12 br i1 %0, label %bb5, label %bb.nph1213 14bb.nph12: ; preds = %entry15 %1 = icmp eq i32 %b, 0 ; <i1> [#uses=1]16 %2 = load ptr, ptr @x, align 8 ; <ptr> [#uses=1]17 br i1 %1, label %bb2.preheader, label %bb2.preheader.us18 19bb2.preheader.us: ; preds = %bb2.bb3_crit_edge.us, %bb.nph1220 %indvar18 = phi i32 [ 0, %bb.nph12 ], [ %indvar.next19, %bb2.bb3_crit_edge.us ] ; <i32> [#uses=2]21 %sum.111.us = phi i32 [ 0, %bb.nph12 ], [ %4, %bb2.bb3_crit_edge.us ] ; <i32> [#uses=0]22 %tmp16 = mul i32 %indvar18, %a ; <i32> [#uses=1]23 br label %bb1.us24 25bb1.us: ; preds = %bb1.us, %bb2.preheader.us26 %indvar = phi i32 [ 0, %bb2.preheader.us ], [ %indvar.next, %bb1.us ] ; <i32> [#uses=2]27 %tmp17 = add i32 %indvar, %tmp16 ; <i32> [#uses=1]28 %tmp. = zext i32 %tmp17 to i64 ; <i64> [#uses=1]29 %3 = getelementptr i32, ptr %2, i64 %tmp. ; <ptr> [#uses=1]30 %4 = load i32, ptr %3, align 4 ; <i32> [#uses=2]31 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]32 %exitcond = icmp eq i32 %indvar.next, %b ; <i1> [#uses=1]33 br i1 %exitcond, label %bb2.bb3_crit_edge.us, label %bb1.us34 35bb2.bb3_crit_edge.us: ; preds = %bb1.us36 %indvar.next19 = add i32 %indvar18, 1 ; <i32> [#uses=2]37 %exitcond22 = icmp eq i32 %indvar.next19, %a ; <i1> [#uses=1]38 br i1 %exitcond22, label %bb5, label %bb2.preheader.us39 40bb2.preheader: ; preds = %bb2.preheader, %bb.nph1241 %indvar24 = phi i32 [ %indvar.next25, %bb2.preheader ], [ 0, %bb.nph12 ] ; <i32> [#uses=1]42 %indvar.next25 = add i32 %indvar24, 1 ; <i32> [#uses=2]43 %exitcond28 = icmp eq i32 %indvar.next25, %a ; <i1> [#uses=1]44 br i1 %exitcond28, label %bb5, label %bb2.preheader45 46bb5: ; preds = %bb2.preheader, %bb2.bb3_crit_edge.us, %entry47 %sum.1.lcssa = phi i32 [ 0, %entry ], [ 0, %bb2.preheader ], [ %4, %bb2.bb3_crit_edge.us ] ; <i32> [#uses=1]48 ret i32 %sum.1.lcssa49}50