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| author | Chandler Carruth <chandlerc@gmail.com> | 2017-08-20 23:17:11 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2017-08-20 23:17:11 +0000 |
| commit | bd6dc142306f5caaa87725f5f58c29b37da9cc32 (patch) | |
| tree | d127d2e1d8e8e75e811f758b979a2fce515ee67b /llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll | |
| parent | a152903c1be57b863e2d6f3050564f4ec2602a26 (diff) | |
| download | bcm5719-llvm-bd6dc142306f5caaa87725f5f58c29b37da9cc32.tar.gz bcm5719-llvm-bd6dc142306f5caaa87725f5f58c29b37da9cc32.zip | |
Revert r311077: [LV] Using VPlan ...
This causes LLVM to assert fail on PPC64 and crash / infloop in other
cases. Filed http://llvm.org/PR34248 with reproducer attached.
llvm-svn: 311304
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll b/llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll index bc9247f8071..3a8237ff84f 100644 --- a/llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll +++ b/llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll @@ -467,6 +467,13 @@ for.body: ; SINK-AFTER: %[[VCONV:.+]] = sext <4 x i16> %[[VSHUF]] to <4 x i32> ; SINK-AFTER: %[[VCONV3:.+]] = sext <4 x i16> %wide.load to <4 x i32> ; SINK-AFTER: mul nsw <4 x i32> %[[VCONV3]], %[[VCONV]] +; Check also that the sext sank after the load in the scalar loop. +; SINK-AFTER: for.body +; SINK-AFTER: %scalar.recur = phi i16 [ %scalar.recur.init, %scalar.ph ], [ %[[LOAD:.+]], %for.body ] +; SINK-AFTER: %[[LOAD]] = load i16, i16* %arrayidx2 +; SINK-AFTER: %[[CONV:.+]] = sext i16 %scalar.recur to i32 +; SINK-AFTER: %[[CONV3:.+]] = sext i16 %[[LOAD]] to i32 +; SINK-AFTER: %mul = mul nsw i32 %[[CONV3]], %[[CONV]] ; define void @sink_after(i16* %a, i32* %b, i64 %n) { entry: |
