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65 lines
3.3 KiB
65 lines
3.3 KiB
; RUN: opt -indvars -S < %s | FileCheck %s
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@__const.e.f = private unnamed_addr constant <{ <{ [2 x i32], [2 x i32], [8 x [2 x i32]] }>, [10 x [2 x i32]] }> <{ <{ [2 x i32], [2 x i32], [8 x [2 x i32]] }> <{ [2 x i32] [i32 4, i32 8], [2 x i32] [i32 3, i32 10], [8 x [2 x i32]] zeroinitializer }>, [10 x [2 x i32]] [[2 x i32] zeroinitializer, [2 x i32] zeroinitializer, [2 x i32] [i32 1, i32 5], [2 x i32] [i32 2080555007, i32 0], [2 x i32] zeroinitializer, [2 x i32] zeroinitializer, [2 x i32] zeroinitializer, [2 x i32] zeroinitializer, [2 x i32] zeroinitializer, [2 x i32] zeroinitializer] }>, align 4
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define dso_local i8 @main() local_unnamed_addr {
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader: ; preds = %for.inc15, %entry
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%storemerge32 = phi i32 [ 0, %entry ], [ %inc16, %for.inc15 ]
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br label %for.cond4
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for.cond4: ; preds = %for.inc, %for.cond1.preheader
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%storemerge2531 = phi i32 [ 0, %for.cond1.preheader ], [ %inc, %for.inc ]
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%tobool = icmp eq i32 1, 0
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br i1 %tobool, label %cleanup, label %if.then
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if.then: ; preds = %for.cond4
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; CHECK: if.then: ; preds = %for.cond4
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; CHECK-NEXT: br i1 false, label %cleanup, label %for.inc
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%add = add nuw nsw i32 %storemerge2531, 2
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%idxprom8 = zext i32 %add to i64
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%arrayidx10 = getelementptr inbounds <{ <{ [2 x i32], [2 x i32], [8 x [2 x i32]] }>, [10 x [2 x i32]] }>, <{ <{ [2 x i32], [2 x i32], [8 x [2 x i32]] }>, [10 x [2 x i32]] }>* @__const.e.f, i64 0, i32 1, i64 %idxprom8, i64 0
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%0 = load i32, i32* %arrayidx10, align 4
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%tobool11 = icmp eq i32 %0, 0
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br i1 %tobool11, label %cleanup, label %for.inc
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for.inc: ; preds = %if.then
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%inc = add nuw nsw i32 %storemerge2531, 1
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%cmp2 = icmp ult i32 %inc, 2
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br i1 %cmp2, label %for.cond4, label %for.inc15
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cleanup: ; preds = %if.then, %for.cond4
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br label %return
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for.inc15: ; preds = %for.inc
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; CHECK: for.inc15:
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; CHECK-NEXT: %inc16 = add nuw nsw i32 %storemerge32, 1
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; CHECK-NEXT: %cmp = icmp eq i32 %inc16, 4
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; CHECK-NEXT: br i1 %cmp, label %for.cond18thread-pre-split, label %for.cond1.preheader
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%inc16 = add nuw nsw i32 %storemerge32, 1
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%cmp = icmp eq i32 %inc16, 4
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br i1 %cmp, label %for.cond18thread-pre-split, label %for.cond1.preheader
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for.cond18thread-pre-split: ; preds = %for.inc15
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br i1 1, label %return.loopexit, label %for.inc21.lr.ph
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for.inc21.lr.ph: ; preds = %for.cond18thread-pre-split
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br label %for.inc21
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for.inc21: ; preds = %for.inc21, %for.inc21.lr.ph
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%1 = phi i32 [ undef, %for.inc21.lr.ph ], [ %inc22, %for.inc21 ]
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%inc22 = add nsw i32 %1, 1
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br i1 true, label %for.cond18.return.loopexit_crit_edge, label %for.inc21
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for.cond18.return.loopexit_crit_edge: ; preds = %for.inc21
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br label %return.loopexit
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return.loopexit: ; preds = %for.cond18.return.loopexit_crit_edge, %for.cond18thread-pre-split
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br label %return
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return: ; preds = %return.loopexit, %cleanup
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ret i8 undef
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}
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