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| author | Dimitry Andric <dim@FreeBSD.org> | 2017-04-16 16:01:22 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-04-16 16:01:22 +0000 |
| commit | 71d5a2540a98c81f5bcaeb48805e0e2881f530ef (patch) | |
| tree | 5343938942df402b49ec7300a1c25a2d4ccd5821 /test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll | |
| parent | 31bbf64f3a4974a2d6c8b3b27ad2f519caf74057 (diff) | |
Diffstat (limited to 'test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll')
| -rw-r--r-- | test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll b/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll index 49c823a28c7f..8e5a866f8ca7 100644 --- a/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll +++ b/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll @@ -1,4 +1,8 @@ -; RUN: opt < %s -S -unroll-threshold=20 -loop-unroll -unroll-allow-partial -unroll-runtime -unroll-allow-remainder -unroll-max-percent-threshold-boost=100 | FileCheck %s +; RUN: opt < %s -S -unroll-partial-threshold=20 -unroll-threshold=20 -loop-unroll -unroll-allow-partial -unroll-runtime -unroll-allow-remainder -unroll-max-percent-threshold-boost=100 | FileCheck %s +; RUN: opt < %s -S -passes='require<opt-remark-emit>,loop(unroll)' -unroll-partial-threshold=20 -unroll-threshold=20 -unroll-allow-partial -unroll-runtime -unroll-allow-remainder -unroll-max-percent-threshold-boost=100 | FileCheck %s +; +; Also check that the simple unroller doesn't allow the partial unrolling. +; RUN: opt < %s -S -passes='require<opt-remark-emit>,loop(unroll-full)' -unroll-partial-threshold=20 -unroll-threshold=20 -unroll-allow-partial -unroll-runtime -unroll-allow-remainder -unroll-max-percent-threshold-boost=100 | FileCheck %s --check-prefix=CHECK-NO-UNROLL ; The Loop TripCount is 9. However unroll factors 3 or 9 exceed given threshold. ; The test checks that we choose a smaller, power-of-two, unroll count and do not give up on unrolling. @@ -8,6 +12,10 @@ ; CHECK: for.body.1: ; CHECK: store +; CHECK-NO-UNROLL: for.body: +; CHECK-NO-UNROLL: store +; CHECK-NO-UNROLL-NOT: store + define void @foo(i32* nocapture %a, i32* nocapture readonly %b) nounwind uwtable { entry: br label %for.body |