Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopVectorize/X86/cost-model.ll

@@ -1,82 +0,0 @@
-; RUN: opt < %s  -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx -S | FileCheck %s
-
-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"
-
-@c = common global [2048 x i32] zeroinitializer, align 16
-@b = common global [2048 x i32] zeroinitializer, align 16
-@d = common global [2048 x i32] zeroinitializer, align 16
-@a = common global [2048 x i32] zeroinitializer, align 16
-
-; The program below gathers and scatters data. We better not vectorize it.
-;CHECK-LABEL: @cost_model_1(
-;CHECK-NOT: <2 x i32>
-;CHECK-NOT: <4 x i32>
-;CHECK-NOT: <8 x i32>
-;CHECK: ret void
-define void @cost_model_1() nounwind uwtable noinline ssp {
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
-  %0 = shl nsw i64 %indvars.iv, 1
-  %arrayidx = getelementptr inbounds [2048 x i32], [2048 x i32]* @c, i64 0, i64 %0
-  %1 = load i32, i32* %arrayidx, align 8
-  %idxprom1 = sext i32 %1 to i64
-  %arrayidx2 = getelementptr inbounds [2048 x i32], [2048 x i32]* @b, i64 0, i64 %idxprom1
-  %2 = load i32, i32* %arrayidx2, align 4
-  %arrayidx4 = getelementptr inbounds [2048 x i32], [2048 x i32]* @d, i64 0, i64 %indvars.iv
-  %3 = load i32, i32* %arrayidx4, align 4
-  %idxprom5 = sext i32 %3 to i64
-  %arrayidx6 = getelementptr inbounds [2048 x i32], [2048 x i32]* @a, i64 0, i64 %idxprom5
-  store i32 %2, i32* %arrayidx6, 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, 256
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body
-  ret void
-}
-
-; This function uses a stride that is generally too big to benefit from vectorization without
-; really good support for a gather load. We were not computing an accurate cost for the 
-; vectorization and subsequent scalarization of the pointer induction variables.
-
-define float @PR27826(float* nocapture readonly %a, float* nocapture readonly %b, i32 %n) {
-; CHECK-LABEL: @PR27826(
-; CHECK-NOT:   <4 x float> 
-; CHECK-NOT:   <8 x float> 
-; CHECK:       ret float %s.0.lcssa
-
-entry:
-  %cmp = icmp sgt i32 %n, 0
-  br i1 %cmp, label %preheader, label %for.end
-
-preheader:
-  %t0 = sext i32 %n to i64
-  br label %for
-
-for:
-  %indvars.iv = phi i64 [ 0, %preheader ], [ %indvars.iv.next, %for ]
-  %s.02 = phi float [ 0.0, %preheader ], [ %add4, %for ]
-  %arrayidx = getelementptr inbounds float, float* %a, i64 %indvars.iv
-  %t1 = load float, float* %arrayidx, align 4
-  %arrayidx3 = getelementptr inbounds float, float* %b, i64 %indvars.iv
-  %t2 = load float, float* %arrayidx3, align 4
-  %add = fadd fast float %t1, %s.02
-  %add4 = fadd fast float %add, %t2
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 32
-  %cmp1 = icmp slt i64 %indvars.iv.next, %t0
-  br i1 %cmp1, label %for, label %loopexit
-
-loopexit:
-  %add4.lcssa = phi float [ %add4, %for ]
-  br label %for.end
-
-for.end:
-  %s.0.lcssa = phi float [ 0.0, %entry ], [ %add4.lcssa, %loopexit ]
-  ret float %s.0.lcssa
-}
-