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-rw-r--r--llvm/test/Transforms/LoopIdiom/unsafe.ll55
1 files changed, 0 insertions, 55 deletions
diff --git a/llvm/test/Transforms/LoopIdiom/unsafe.ll b/llvm/test/Transforms/LoopIdiom/unsafe.ll
deleted file mode 100644
index 8eff8996adf..00000000000
--- a/llvm/test/Transforms/LoopIdiom/unsafe.ll
+++ /dev/null
@@ -1,55 +0,0 @@
-; RUN: opt -S < %s -loop-idiom | FileCheck %s
-; CHECK-NOT: memset
-; check that memset is not generated (for stores) because that will result
-; in udiv hoisted out of the loop by the SCEV Expander
-; TODO: ideally we should be able to generate memset
-; if SCEV expander is taught to generate the dependencies
-; at the right point.
-
-@a = global i32 0, align 4
-@b = global i32 0, align 4
-@c = external local_unnamed_addr global [1 x i8], align 1
-
-define void @e() local_unnamed_addr {
-entry:
- %d0 = load i32, i32* @a, align 4
- %d1 = load i32, i32* @b, align 4
- br label %for.cond1thread-pre-split
-
-for.cond1thread-pre-split: ; preds = %for.body5, %entry
- %div = udiv i32 %d0, %d1
- br label %for.body5
-
-for.body5: ; preds = %for.body5, %for.cond1thread-pre-split
- %indvars.iv = phi i64 [ 0, %for.cond1thread-pre-split ], [ %indvars.iv.next, %for.body5 ]
- %divx = sext i32 %div to i64
- %0 = add nsw i64 %divx, %indvars.iv
- %arrayidx = getelementptr inbounds [1 x i8], [1 x i8]* @c, i64 0, i64 %0
- store i8 0, i8* %arrayidx, align 1
- %indvars.iv.next = add nsw i64 %indvars.iv, 1
- %1 = trunc i64 %indvars.iv.next to i32
- %tobool4 = icmp eq i32 %1, 0
- br i1 %tobool4, label %for.cond1thread-pre-split, label %for.body5
-}
-
-; The loop's trip count is depending on an unsafe operation
-; udiv. SCEV expander hoists it out of the loop, so loop-idiom
-; should check that the memset is not generated in this case.
-define void @f(i32 %a, i32 %b, i8* nocapture %x) local_unnamed_addr {
-entry:
- br label %for.body
-
-for.body: ; preds = %for.body6, %entry
- %div = udiv i32 %a, %b
- %conv = zext i32 %div to i64
- br label %for.body6
-
-for.body6: ; preds = %for.body6, %for.body
- %i.09 = phi i64 [ %inc, %for.body6 ], [ 0, %for.body ]
- %arrayidx = getelementptr inbounds i8, i8* %x, i64 %i.09
- store i8 0, i8* %arrayidx, align 1
- %inc = add nuw nsw i64 %i.09, 1
- %cmp3 = icmp slt i64 %inc, %conv
- br i1 %cmp3, label %for.body6, label %for.body
-}
-
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