1 ; RUN: opt -mtriple=amdgcn-amd-amdhsa -basicaa -load-store-vectorizer -S -o - %s | FileCheck %s 2 3 target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-p24:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64" 4 5 ; This is NOT OK to vectorize, as either load may alias either store. 6 7 ; CHECK: load double 8 ; CHECK: store double 0.000000e+00, double addrspace(1)* %a, 9 ; CHECK: load double 10 ; CHECK: store double 0.000000e+00, double addrspace(1)* %a.idx.1 11 define void @interleave(double addrspace(1)* nocapture %a, double addrspace(1)* nocapture %b, double addrspace(1)* nocapture readonly %c) #0 { 12 entry: 13 %a.idx.1 = getelementptr inbounds double, double addrspace(1)* %a, i64 1 14 %c.idx.1 = getelementptr inbounds double, double addrspace(1)* %c, i64 1 15 16 %ld.c = load double, double addrspace(1)* %c, align 8 ; may alias store to %a 17 store double 0.0, double addrspace(1)* %a, align 8 18 19 %ld.c.idx.1 = load double, double addrspace(1)* %c.idx.1, align 8 ; may alias store to %a 20 store double 0.0, double addrspace(1)* %a.idx.1, align 8 21 22 %add = fadd double %ld.c, %ld.c.idx.1 23 store double %add, double addrspace(1)* %b 24 25 ret void 26 } 27 28 attributes #0 = { nounwind } 29
