diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll b/llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll index 8d139ac7e5a..46fd022af66 100644 --- a/llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll +++ b/llvm/test/Transforms/LoopVectorize/X86/vect.omp.force.small-tc.ll @@ -3,10 +3,11 @@ ; CHECK: LV: Loop hints: force=enabled ; CHECK: LV: Loop hints: force=? +; CHECK: LV: Loop hints: force=? ; No more loops in the module ; CHECK-NOT: LV: Loop hints: force= -; CHECK: 2 loop-vectorize - Number of loops analyzed for vectorization -; CHECK: 1 loop-vectorize - Number of loops vectorized +; CHECK: 3 loop-vectorize - Number of loops analyzed for vectorization +; CHECK: 2 loop-vectorize - Number of loops vectorized 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" @@ -71,3 +72,29 @@ for.end: !3 = !{!3} +; +; This loop will be vectorized as the trip count is below the threshold but no +; scalar iterations are needed. +; +define void @vectorized2(float* noalias nocapture %A, float* noalias nocapture readonly %B) { +entry: + br label %for.body + +for.body: + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %arrayidx = getelementptr inbounds float, float* %B, i64 %indvars.iv + %0 = load float, float* %arrayidx, align 4, !llvm.mem.parallel_loop_access !3 + %arrayidx2 = getelementptr inbounds float, float* %A, i64 %indvars.iv + %1 = load float, float* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !3 + %add = fadd fast float %0, %1 + store float %add, float* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !3 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, 16 + br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !4 + +for.end: + ret void +} + +!4 = !{!4} + |
