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| author | Nadav Rotem <nrotem@apple.com> | 2013-01-02 23:54:43 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-01-02 23:54:43 +0000 |
| commit | 00a6bcaeb4a74b930bc2b21f8021c3358d507ecf (patch) | |
| tree | 18f62057be865d7f73ea42c0407ec54754071067 /test/Transforms/LoopVectorize | |
| parent | 82de10a34c9432029040ced17129079a7d80904e (diff) | |
| download | external_llvm-00a6bcaeb4a74b930bc2b21f8021c3358d507ecf.zip external_llvm-00a6bcaeb4a74b930bc2b21f8021c3358d507ecf.tar.gz external_llvm-00a6bcaeb4a74b930bc2b21f8021c3358d507ecf.tar.bz2 | |
Avoid vectorization when the function has the "noimplicitflot" attribute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171429 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LoopVectorize')
| -rw-r--r-- | test/Transforms/LoopVectorize/nofloat.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/nofloat.ll b/test/Transforms/LoopVectorize/nofloat.ll new file mode 100644 index 0000000..5d27106 --- /dev/null +++ b/test/Transforms/LoopVectorize/nofloat.ll @@ -0,0 +1,29 @@ +; RUN: opt < %s -loop-vectorize -force-vector-width=4 -dce -instcombine -licm -S | FileCheck %s + +; Make sure that we don't vectorize functions with 'noimplicitfloat' attributes. + +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" + +@a = common global [2048 x i32] zeroinitializer, align 16 + +;CHECK: @example12 +;CHECK-NOT: store <4 x i32> +;CHECK: ret void +define void @example12() noimplicitfloat { ; <--------- "noimplicitfloat" attribute here! + br label %1 + +; <label>:1 ; preds = %1, %0 + %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ] + %2 = getelementptr inbounds [2048 x i32]* @a, i64 0, i64 %indvars.iv + %3 = trunc i64 %indvars.iv to i32 + store i32 %3, i32* %2, align 4 + %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, 1024 + br i1 %exitcond, label %4, label %1 + +; <label>:4 ; preds = %1 + ret void +} + |