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| author | Dehao Chen <dehao@google.com> | 2017-01-17 23:39:33 +0000 |
|---|---|---|
| committer | Dehao Chen <dehao@google.com> | 2017-01-17 23:39:33 +0000 |
| commit | c3f87f02b1a433428353e2599e7b08be4a716418 (patch) | |
| tree | e8fa01f9052e2588e4ab81429e20aadfe9f8fdaf /llvm/test/Transforms/LoopUnroll | |
| parent | 8f4178a59efa56c1f4f211f9e023e0926b04555c (diff) | |
| download | bcm5719-llvm-c3f87f02b1a433428353e2599e7b08be4a716418.tar.gz bcm5719-llvm-c3f87f02b1a433428353e2599e7b08be4a716418.zip | |
Introduce -unroll-partial-threshold to separate PartialThreshold from Threshold in loop unorller.
Summary: Partial unrolling should have separate threshold with full unrolling.
Reviewers: efriedma, mzolotukhin
Reviewed By: efriedma, mzolotukhin
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D28831
llvm-svn: 292293
Diffstat (limited to 'llvm/test/Transforms/LoopUnroll')
| -rw-r--r-- | llvm/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll | 2 | ||||
| -rw-r--r-- | llvm/test/Transforms/LoopUnroll/runtime-loop2.ll | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/llvm/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll b/llvm/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll index 49c823a28c7..62124ce3876 100644 --- a/llvm/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll +++ b/llvm/test/Transforms/LoopUnroll/partial-unroll-const-bounds.ll @@ -1,4 +1,4 @@ -; 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 ; 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. diff --git a/llvm/test/Transforms/LoopUnroll/runtime-loop2.ll b/llvm/test/Transforms/LoopUnroll/runtime-loop2.ll index 3ce8702a946..704ecca893a 100644 --- a/llvm/test/Transforms/LoopUnroll/runtime-loop2.ll +++ b/llvm/test/Transforms/LoopUnroll/runtime-loop2.ll @@ -1,5 +1,5 @@ -; RUN: opt < %s -S -loop-unroll -unroll-threshold=25 -unroll-runtime -unroll-runtime-epilog=true -unroll-count=8 | FileCheck %s -check-prefix=EPILOG -; RUN: opt < %s -S -loop-unroll -unroll-threshold=25 -unroll-runtime -unroll-runtime-epilog=false | FileCheck %s -check-prefix=PROLOG +; RUN: opt < %s -S -loop-unroll -unroll-threshold=25 -unroll-partial-threshold=25 -unroll-runtime -unroll-runtime-epilog=true -unroll-count=8 | FileCheck %s -check-prefix=EPILOG +; RUN: opt < %s -S -loop-unroll -unroll-threshold=25 -unroll-partial-threshold=25 -unroll-runtime -unroll-runtime-epilog=false | FileCheck %s -check-prefix=PROLOG ; Choose a smaller, power-of-two, unroll count if the loop is too large. ; This test makes sure we're not unrolling 'odd' counts |
