1; RUN: opt -mtriple=amdgcn-- -load-store-vectorizer -S -o - %s | FileCheck %s 2 3@lds = internal addrspace(3) global [512 x float] undef, align 4 4 5; The original load has an implicit alignment of 4, and should not 6; increase to an align 8 load. 7 8; CHECK-LABEL: @load_keep_base_alignment_missing_align( 9; CHECK: load <2 x float>, <2 x float> addrspace(3)* %{{[0-9]+}}, align 4 10define void @load_keep_base_alignment_missing_align(float addrspace(1)* %out) { 11 %ptr0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 11 12 %val0 = load float, float addrspace(3)* %ptr0 13 14 %ptr1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 12 15 %val1 = load float, float addrspace(3)* %ptr1 16 %add = fadd float %val0, %val1 17 store float %add, float addrspace(1)* %out 18 ret void 19} 20 21 22; CHECK-LABEL: @store_keep_base_alignment_missing_align( 23; CHECK: store <2 x float> zeroinitializer, <2 x float> addrspace(3)* %{{[0-9]+}}, align 4 24define void @store_keep_base_alignment_missing_align() { 25 %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 1 26 %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 2 27 store float 0.0, float addrspace(3)* %arrayidx0 28 store float 0.0, float addrspace(3)* %arrayidx1 29 ret void 30} 31