diff options
| author | Bill Wendling <isanbard@gmail.com> | 2013-12-07 09:31:26 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2013-12-07 09:31:26 +0000 |
| commit | b84d18f57604b86ce2cae5a2447a5f879153bc0f (patch) | |
| tree | a3ea42a8a4c70cb564bd9471cea87b88e16ccd38 /test/Transforms/LoopVectorize | |
| parent | 7b7037563b12589e675c655e5d1e4f737f50fa9d (diff) | |
| download | external_llvm-b84d18f57604b86ce2cae5a2447a5f879153bc0f.zip external_llvm-b84d18f57604b86ce2cae5a2447a5f879153bc0f.tar.gz external_llvm-b84d18f57604b86ce2cae5a2447a5f879153bc0f.tar.bz2 | |
Merging r196294:
------------------------------------------------------------------------
r196294 | arnolds | 2013-12-03 08:33:06 -0800 (Tue, 03 Dec 2013) | 7 lines
opt: Mirror vectorization presets of clang
clang enables vectorization at optimization levels > 1 and size level < 2. opt
should behave similarily.
Loop vectorization and SLP vectorization can be disabled with the flags
-disable-(loop/slp)-vectorization.
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196649 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LoopVectorize')
| -rw-r--r-- | test/Transforms/LoopVectorize/opt.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/opt.ll b/test/Transforms/LoopVectorize/opt.ll new file mode 100644 index 0000000..27030a2 --- /dev/null +++ b/test/Transforms/LoopVectorize/opt.ll @@ -0,0 +1,28 @@ +; RUN: opt -S -O3 -force-vector-width=2 -force-vector-unroll=1 < %s | FileCheck --check-prefix=LOOPVEC %s +; RUN: opt -S -O3 -disable-loop-vectorization -force-vector-width=2 -force-vector-unroll=1 < %s | FileCheck --check-prefix=NOLOOPVEC %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.8.0" + +; Make sure we can disable vectorization in opt. + +; LOOPVEC: add <2 x i32> +; NOLOOPVEC-NOT: add <2 x i32> + +define i32 @vect(i32* %a) { +entry: + br label %for.body + +for.body: + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %red.05 = phi i32 [ 0, %entry ], [ %add, %for.body ] + %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv + %0 = load i32* %arrayidx, align 4 + %add = add nsw i32 %0, %red.05 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, 255 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret i32 %add +} |