| ; RUN: opt < %s -mcpu=core-avx2 -loop-vectorize -S | llc -mcpu=core-avx2 | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx" |
| |
| @float_array = common global [10000 x float] zeroinitializer, align 16 |
| @unsigned_array = common global [10000 x i32] zeroinitializer, align 16 |
| |
| ; If we need to scalarize the fptoui and then use inserts to build up the |
| ; vector again, then there is certainly no value in going 256-bit wide. |
| ; CHECK-NOT: vinserti128 |
| |
| define void @convert(i32 %N) { |
| entry: |
| %0 = icmp eq i32 %N, 0 |
| br i1 %0, label %for.end, label %for.body.preheader |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds [10000 x float], [10000 x float]* @float_array, i64 0, i64 %indvars.iv |
| %1 = load float, float* %arrayidx, align 4 |
| %conv = fptoui float %1 to i32 |
| %arrayidx2 = getelementptr inbounds [10000 x i32], [10000 x i32]* @unsigned_array, i64 0, i64 %indvars.iv |
| store i32 %conv, i32* %arrayidx2, align 4 |
| %indvars.iv.next = add nuw nsw 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.loopexit, label %for.body |
| |
| for.end.loopexit: ; preds = %for.body |
| br label %for.end |
| |
| for.end: ; preds = %for.end.loopexit, %entry |
| ret void |
| } |
| |