; REQUIRES: asserts ; RUN: opt < %s -loop-vectorize -instcombine -S -debug-only=loop-vectorize -disable-output -print-after=instcombine 2>&1 | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; CHECK-LABEL: PR31671 ; ; Check a pointer in which one of its uses is consecutive-like and another of ; its uses is non-consecutive-like. In the test case below, %tmp3 is the ; pointer operand of an interleaved load, making it consecutive-like. However, ; it is also the pointer operand of a non-interleaved store that will become a ; scatter operation. %tmp3 (and the induction variable) should not be marked ; uniform-after-vectorization. ; ; CHECK: LV: Found uniform instruction: %tmp0 = getelementptr inbounds %data, %data* %d, i64 0, i32 3, i64 %i ; CHECK-NOT: LV: Found uniform instruction: %tmp3 = getelementptr inbounds %data, %data* %d, i64 0, i32 0, i64 %i ; CHECK-NOT: LV: Found uniform instruction: %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ] ; CHECK-NOT: LV: Found uniform instruction: %i.next = add nuw nsw i64 %i, 5 ; CHECK: vector.body: ; CHECK: %index = phi i64 ; CHECK: %vec.ind = phi <16 x i64> ; CHECK: %[[T0:.+]] = mul i64 %index, 5 ; CHECK: %[[T1:.+]] = getelementptr inbounds %data, %data* %d, i64 0, i32 3, i64 %[[T0]] ; CHECK: %[[T2:.+]] = bitcast float* %[[T1]] to <80 x float>* ; CHECK: load <80 x float>, <80 x float>* %[[T2]], align 4 ; CHECK: %[[T3:.+]] = getelementptr inbounds %data, %data* %d, i64 0, i32 0, i64 %[[T0]] ; CHECK: %[[T4:.+]] = bitcast float* %[[T3]] to <80 x float>* ; CHECK: load <80 x float>, <80 x float>* %[[T4]], align 4 ; CHECK: %VectorGep = getelementptr inbounds %data, %data* %d, i64 0, i32 0, <16 x i64> %vec.ind ; CHECK: call void @llvm.masked.scatter.v16f32({{.*}}, <16 x float*> %VectorGep, {{.*}}) ; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body %data = type { [32000 x float], [3 x i32], [4 x i8], [32000 x float] } define void @PR31671(float %x, %data* %d) #0 { entry: br label %for.body for.body: %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ] %tmp0 = getelementptr inbounds %data, %data* %d, i64 0, i32 3, i64 %i %tmp1 = load float, float* %tmp0, align 4 %tmp2 = fmul float %x, %tmp1 %tmp3 = getelementptr inbounds %data, %data* %d, i64 0, i32 0, i64 %i %tmp4 = load float, float* %tmp3, align 4 %tmp5 = fadd float %tmp4, %tmp2 store float %tmp5, float* %tmp3, align 4 %i.next = add nuw nsw i64 %i, 5 %cond = icmp slt i64 %i.next, 32000 br i1 %cond, label %for.body, label %for.end for.end: ret void } attributes #0 = { "target-cpu"="knl" }