1 ; RUN: llc -mtriple=x86_64-apple-darwin -march=x86-64 < %s -o /dev/null -stats -info-output-file - | grep "hoisted out of loops" | grep 3 2 3 ; MachineLICM should be able to hoist the symbolic addresses out of 4 ; the inner loops. 5 6 @main.flags = internal global [8193 x i8] zeroinitializer, align 16 ; <[8193 x i8]*> [#uses=3] 7 @.str = private constant [11 x i8] c"Count: %d\0A\00" ; <[11 x i8]*> [#uses=1] 8 9 define i32 @main(i32 %argc, i8** nocapture %argv) nounwind ssp { 10 entry: 11 %cmp = icmp eq i32 %argc, 2 ; <i1> [#uses=1] 12 br i1 %cmp, label %while.cond.preheader, label %bb.nph53 13 14 while.cond.preheader: ; preds = %entry 15 %arrayidx = getelementptr inbounds i8** %argv, i64 1 ; <i8**> [#uses=1] 16 %tmp2 = load i8** %arrayidx ; <i8*> [#uses=1] 17 %call = tail call i32 @atoi(i8* %tmp2) nounwind ; <i32> [#uses=2] 18 %tobool51 = icmp eq i32 %call, 0 ; <i1> [#uses=1] 19 br i1 %tobool51, label %while.end, label %bb.nph53 20 21 while.cond.loopexit: ; preds = %for.inc35 22 %indvar.next77 = add i32 %indvar76, 1 ; <i32> [#uses=2] 23 %exitcond78 = icmp eq i32 %indvar.next77, %NUM.0.ph80 ; <i1> [#uses=1] 24 br i1 %exitcond78, label %while.end, label %bb.nph 25 26 bb.nph53: ; preds = %entry, %while.cond.preheader 27 %NUM.0.ph80 = phi i32 [ %call, %while.cond.preheader ], [ 17000, %entry ] ; <i32> [#uses=1] 28 br label %bb.nph 29 30 bb.nph: ; preds = %while.cond.loopexit, %bb.nph53 31 %indvar76 = phi i32 [ 0, %bb.nph53 ], [ %indvar.next77, %while.cond.loopexit ] ; <i32> [#uses=1] 32 br label %for.body 33 34 for.body: ; preds = %for.body, %bb.nph 35 %indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %for.body ] ; <i64> [#uses=2] 36 %tmp = add i64 %indvar, 2 ; <i64> [#uses=1] 37 %arrayidx10 = getelementptr [8193 x i8]* @main.flags, i64 0, i64 %tmp ; <i8*> [#uses=1] 38 store i8 1, i8* %arrayidx10 39 %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=2] 40 %exitcond = icmp eq i64 %indvar.next, 8191 ; <i1> [#uses=1] 41 br i1 %exitcond, label %for.body15, label %for.body 42 43 for.body15: ; preds = %for.body, %for.inc35 44 %indvar57 = phi i64 [ %indvar.next58, %for.inc35 ], [ 0, %for.body ] ; <i64> [#uses=4] 45 %count.248 = phi i32 [ %count.1, %for.inc35 ], [ 0, %for.body ] ; <i32> [#uses=2] 46 %tmp68 = add i64 %indvar57, 2 ; <i64> [#uses=2] 47 %tmp70 = mul i64 %indvar57, 3 ; <i64> [#uses=1] 48 %tmp71 = add i64 %tmp70, 6 ; <i64> [#uses=1] 49 %tmp73 = shl i64 %indvar57, 1 ; <i64> [#uses=1] 50 %add = add i64 %tmp73, 4 ; <i64> [#uses=2] 51 %arrayidx17 = getelementptr [8193 x i8]* @main.flags, i64 0, i64 %tmp68 ; <i8*> [#uses=1] 52 %tmp18 = load i8* %arrayidx17 ; <i8> [#uses=1] 53 %tobool19 = icmp eq i8 %tmp18, 0 ; <i1> [#uses=1] 54 br i1 %tobool19, label %for.inc35, label %if.then 55 56 if.then: ; preds = %for.body15 57 %cmp2443 = icmp slt i64 %add, 8193 ; <i1> [#uses=1] 58 br i1 %cmp2443, label %for.body25, label %for.end32 59 60 for.body25: ; preds = %if.then, %for.body25 61 %indvar55 = phi i64 [ %indvar.next56, %for.body25 ], [ 0, %if.then ] ; <i64> [#uses=2] 62 %tmp60 = mul i64 %tmp68, %indvar55 ; <i64> [#uses=2] 63 %tmp75 = add i64 %add, %tmp60 ; <i64> [#uses=1] 64 %arrayidx27 = getelementptr [8193 x i8]* @main.flags, i64 0, i64 %tmp75 ; <i8*> [#uses=1] 65 store i8 0, i8* %arrayidx27 66 %add31 = add i64 %tmp71, %tmp60 ; <i64> [#uses=1] 67 %cmp24 = icmp slt i64 %add31, 8193 ; <i1> [#uses=1] 68 %indvar.next56 = add i64 %indvar55, 1 ; <i64> [#uses=1] 69 br i1 %cmp24, label %for.body25, label %for.end32 70 71 for.end32: ; preds = %for.body25, %if.then 72 %inc34 = add nsw i32 %count.248, 1 ; <i32> [#uses=1] 73 br label %for.inc35 74 75 for.inc35: ; preds = %for.body15, %for.end32 76 %count.1 = phi i32 [ %inc34, %for.end32 ], [ %count.248, %for.body15 ] ; <i32> [#uses=2] 77 %indvar.next58 = add i64 %indvar57, 1 ; <i64> [#uses=2] 78 %exitcond67 = icmp eq i64 %indvar.next58, 8191 ; <i1> [#uses=1] 79 br i1 %exitcond67, label %while.cond.loopexit, label %for.body15 80 81 while.end: ; preds = %while.cond.loopexit, %while.cond.preheader 82 %count.0.lcssa = phi i32 [ 0, %while.cond.preheader ], [ %count.1, %while.cond.loopexit ] ; <i32> [#uses=1] 83 %call40 = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.str, i64 0, i64 0), i32 %count.0.lcssa) nounwind ; <i32> [#uses=0] 84 ret i32 0 85 } 86 87 declare i32 @atoi(i8* nocapture) nounwind readonly 88 89 declare i32 @printf(i8* nocapture, ...) nounwind 90
