1; RUN: opt -S -passes=loop-vectorize,instcombine -force-vector-width=4 -force-vector-interleave=1 -enable-interleaved-mem-accesses=true -runtime-memory-check-threshold=24 --pass-remarks=loop-vectorize < %s | FileCheck %s 2 3target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" 4 5 6; This only tests that asking for remarks doesn't lead to compiler crashing 7; (or timing out). We just check for output. To be sure, we also check we didn't 8; vectorize. 9; CHECK-LABEL: @atomicLoadsBothWriteAndReadMem 10; CHECK-NOT: <{{[0-9]+}} x i8> 11 12%"struct.std::__atomic_base" = type { i32 } 13%"struct.std::atomic" = type { %"struct.std::__atomic_base" } 14%union.anon = type { i64 } 15%MyStruct = type { i32, %"struct.std::atomic", %union.anon } 16 17define void @atomicLoadsBothWriteAndReadMem(ptr %a, ptr %b, ptr %lim) { 18entry: 19 br label %loop 20 21loop: 22 %0 = phi ptr [ %a, %entry ], [ %ainc, %loop ] 23 %1 = phi ptr [ %b, %entry ], [ %binc, %loop ] 24 %2 = load i32, ptr %1, align 8 25 store i32 %2, ptr %0, align 8 26 %3 = getelementptr inbounds %MyStruct, ptr %1, i64 0, i32 1, i32 0, i32 0 27 %4 = load atomic i32, ptr %3 monotonic, align 4 28 %5 = getelementptr inbounds %MyStruct, ptr %0, i64 0, i32 1, i32 0, i32 0 29 store atomic i32 %4, ptr %5 monotonic, align 4 30 %6 = getelementptr inbounds %MyStruct, ptr %1, i64 0, i32 2, i32 0 31 %7 = getelementptr inbounds %MyStruct, ptr %0, i64 0, i32 2, i32 0 32 %8 = load i64, ptr %6, align 8 33 store i64 %8, ptr %7, align 8 34 %binc = getelementptr inbounds %MyStruct, ptr %1, i64 1 35 %ainc = getelementptr inbounds %MyStruct, ptr %0, i64 1 36 %cond = icmp eq ptr %binc, %lim 37 br i1 %cond, label %exit, label %loop 38 39exit: 40 ret void 41} 42