Revert "[SLP] Vectorize the index computations of getelementptr instructions."

This reverts commit r257800.

llvm-svn: 257888

1 files changed, 0 insertions, 111 deletions

diff --git a/llvm/test/Transforms/SLPVectorizer/AArch64/getelementptr.ll b/llvm/test/Transforms/SLPVectorizer/AArch64/getelementptr.ll
deleted file mode 100644
index e9b71963530..00000000000
--- a/llvm/test/Transforms/SLPVectorizer/AArch64/getelementptr.ll
+++ /dev/null
@@ -1,111 +0,0 @@
-; RUN: opt -S -slp-vectorizer -slp-threshold=-18 -dce -instcombine < %s | FileCheck %s
-
-target datalayout = "e-m:e-i32:64-i128:128-n32:64-S128"
-target triple = "aarch64--linux-gnu"
-
-; These tests check that we remove from consideration pairs of seed
-; getelementptrs when they are known to have a constant difference. Such pairs
-; are likely not good candidates for vectorization since one can be computed
-; from the other. We use an unprofitable threshold to force vectorization.
-;
-; int getelementptr(int *g, int n, int w, int x, int y, int z) {
-;   int sum = 0;
-;   for (int i = 0; i < n ; ++i) {
-;     sum += g[2*i + w]; sum += g[2*i + x];
-;     sum += g[2*i + y]; sum += g[2*i + z];
-;   }
-;   return sum;
-; }
-;
-
-; CHECK-LABEL: @getelementptr_4x32
-;
-; CHECK: [[A:%[a-zA-Z0-9.]+]] = add nsw <4 x i32>
-; CHECK: [[X:%[a-zA-Z0-9.]+]] = extractelement <4 x i32> [[A]]
-; CHECK: sext i32 [[X]] to i64
-;
-define i32 @getelementptr_4x32(i32* nocapture readonly %g, i32 %n, i32 %x, i32 %y, i32 %z) {
-entry:
-  %cmp31 = icmp sgt i32 %n, 0
-  br i1 %cmp31, label %for.body.preheader, label %for.cond.cleanup
-
-for.body.preheader:
-  br label %for.body
-
-for.cond.cleanup.loopexit:
-  br label %for.cond.cleanup
-
-for.cond.cleanup:
-  %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add16, %for.cond.cleanup.loopexit ]
-  ret i32 %sum.0.lcssa
-
-for.body:
-  %indvars.iv = phi i32 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
-  %sum.032 = phi i32 [ 0, %for.body.preheader ], [ %add16, %for.body ]
-  %t4 = shl nsw i32 %indvars.iv, 1
-  %t5 = add nsw i32 %t4, 0
-  %arrayidx = getelementptr inbounds i32, i32* %g, i32 %t5
-  %t6 = load i32, i32* %arrayidx, align 4
-  %add1 = add nsw i32 %t6, %sum.032
-  %t7 = add nsw i32 %t4, %x
-  %arrayidx5 = getelementptr inbounds i32, i32* %g, i32 %t7
-  %t8 = load i32, i32* %arrayidx5, align 4
-  %add6 = add nsw i32 %add1, %t8
-  %t9 = add nsw i32 %t4, %y
-  %arrayidx10 = getelementptr inbounds i32, i32* %g, i32 %t9
-  %t10 = load i32, i32* %arrayidx10, align 4
-  %add11 = add nsw i32 %add6, %t10
-  %t11 = add nsw i32 %t4, %z
-  %arrayidx15 = getelementptr inbounds i32, i32* %g, i32 %t11
-  %t12 = load i32, i32* %arrayidx15, align 4
-  %add16 = add nsw i32 %add11, %t12
-  %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1
-  %exitcond = icmp eq i32 %indvars.iv.next , %n
-  br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
-}
-
-; CHECK-LABEL: @getelementptr_2x32
-;
-; CHECK: [[A:%[a-zA-Z0-9.]+]] = add nsw <2 x i32>
-; CHECK: [[X:%[a-zA-Z0-9.]+]] = extractelement <2 x i32> [[A]]
-; CHECK: sext i32 [[X]] to i64
-;
-define i32 @getelementptr_2x32(i32* nocapture readonly %g, i32 %n, i32 %x, i32 %y, i32 %z) {
-entry:
-  %cmp31 = icmp sgt i32 %n, 0
-  br i1 %cmp31, label %for.body.preheader, label %for.cond.cleanup
-
-for.body.preheader:
-  br label %for.body
-
-for.cond.cleanup.loopexit:
-  br label %for.cond.cleanup
-
-for.cond.cleanup:
-  %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add16, %for.cond.cleanup.loopexit ]
-  ret i32 %sum.0.lcssa
-
-for.body:
-  %indvars.iv = phi i32 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
-  %sum.032 = phi i32 [ 0, %for.body.preheader ], [ %add16, %for.body ]
-  %t4 = shl nsw i32 %indvars.iv, 1
-  %t5 = add nsw i32 %t4, 0
-  %arrayidx = getelementptr inbounds i32, i32* %g, i32 %t5
-  %t6 = load i32, i32* %arrayidx, align 4
-  %add1 = add nsw i32 %t6, %sum.032
-  %t7 = add nsw i32 %t4, 1
-  %arrayidx5 = getelementptr inbounds i32, i32* %g, i32 %t7
-  %t8 = load i32, i32* %arrayidx5, align 4
-  %add6 = add nsw i32 %add1, %t8
-  %t9 = add nsw i32 %t4, %y
-  %arrayidx10 = getelementptr inbounds i32, i32* %g, i32 %t9
-  %t10 = load i32, i32* %arrayidx10, align 4
-  %add11 = add nsw i32 %add6, %t10
-  %t11 = add nsw i32 %t4, %z
-  %arrayidx15 = getelementptr inbounds i32, i32* %g, i32 %t11
-  %t12 = load i32, i32* %arrayidx15, align 4
-  %add16 = add nsw i32 %add11, %t12
-  %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1
-  %exitcond = icmp eq i32 %indvars.iv.next , %n
-  br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
-}