diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/disable_nonforced.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/disable_nonforced.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/disable_nonforced.ll b/llvm/test/Transforms/LoopVectorize/disable_nonforced.ll new file mode 100644 index 00000000000..7df63ac7e27 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/disable_nonforced.ll @@ -0,0 +1,29 @@ +; RUN: opt -loop-vectorize -force-vector-interleave=1 -force-vector-width=2 -S < %s | FileCheck %s +; +; Check that the disable_nonforced loop property is honored by the +; loop vectorizer. +; +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" + +; CHECK-LABEL: @disable_nonforced( +; CHECK-NOT: x i32> +define void @disable_nonforced(i32* nocapture %a, i32 %n) { +entry: + %cmp4 = icmp sgt i32 %n, 0 + br i1 %cmp4, label %for.body, label %for.end + +for.body: + %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] + %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv + %0 = trunc i64 %indvars.iv to i32 + store i32 %0, i32* %arrayidx, 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, %n + br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 + +for.end: + ret void +} + +!0 = !{!0, !{!"llvm.loop.disable_nonforced"}} |
