test/Transforms/LoopVectorize/no_outside_user.ll - Issue 183273009: Prep for merging 3.4: Undo changes from 3.3 branch

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Issue 183273009: Prep for merging 3.4: Undo changes from 3.3 branch (Closed) Base URL: http://git.chromium.org/native_client/pnacl-llvm.git@master

Patch Set: Retry Created 6 years, 9 months ago

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1 ; RUN: opt -S -loop-vectorize -force-vector-unroll=1 -force-vector-width=2 < %s \| FileCheck %s

2

3 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f3 2:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"

4

5 @f = common global i32 0, align 4

6 @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1

7 @c = common global i32 0, align 4

8 @a = common global i32 0, align 4

9 @b = common global i32 0, align 4

10 @e = common global i32 0, align 4

11

12 ; We used to vectorize this loop. But it has a value that is used outside of the

13 ; and is not a recognized reduction variable "tmp17".

14

15 ; CHECK-NOT: <2 x i32>

16

17 define i32 @main() {

18 bb:

19 %b.promoted = load i32* @b, align 4

20 br label %.lr.ph.i

21

22 .lr.ph.i:

23 %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ]

24 %tmp2 = icmp sgt i32 %tmp8, 10

25 br i1 %tmp2, label %bb16, label %bb10

26

27 bb10:

28 br label %bb16

29

30 bb16:

31 %tmp17 = phi i32 [ 0, %bb10 ], [ 1, %.lr.ph.i ]

32 %tmp18 = add nsw i32 %tmp8, 1

33 %tmp19 = icmp slt i32 %tmp18, 4

34 br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit

35

36 f1.exit.loopexit:

37 %.lcssa = phi i32 [ %tmp17, %bb16 ]

38 ret i32 %.lcssa

39 }

40

41

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