1 ; RUN: opt -S -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
3 target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
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
9 ; CHECK-LABEL: @atomicLoadsBothWriteAndReadMem
10 ; CHECK-NOT: <{{[0-9]+}} x i8>
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 }
17 define void @atomicLoadsBothWriteAndReadMem(%MyStruct *%a, %MyStruct *%b, %MyStruct *%lim) {
22 %0 = phi %MyStruct* [ %a, %entry ], [ %ainc, %loop ]
23 %1 = phi %MyStruct* [ %b, %entry ], [ %binc, %loop ]
24 %2 = getelementptr %MyStruct, %MyStruct* %1, i64 0, i32 0
25 %3 = load i32, i32* %2, align 8
26 %4 = getelementptr inbounds %MyStruct, %MyStruct* %0, i64 0, i32 0
27 store i32 %3, i32* %4, align 8
28 %5 = getelementptr inbounds %MyStruct, %MyStruct* %1, i64 0, i32 1, i32 0, i32 0
29 %6 = load atomic i32, i32* %5 monotonic, align 4
30 %7 = getelementptr inbounds %MyStruct, %MyStruct* %0, i64 0, i32 1, i32 0, i32 0
31 store atomic i32 %6, i32* %7 monotonic, align 4
32 %8 = getelementptr inbounds %MyStruct, %MyStruct* %1, i64 0, i32 2, i32 0
33 %9 = getelementptr inbounds %MyStruct, %MyStruct* %0, i64 0, i32 2, i32 0
34 %10 = load i64, i64* %8, align 8
35 store i64 %10, i64* %9, align 8
36 %binc = getelementptr inbounds %MyStruct, %MyStruct* %1, i64 1
37 %ainc = getelementptr inbounds %MyStruct, %MyStruct* %0, i64 1
38 %cond = icmp eq %MyStruct* %binc, %lim
39 br i1 %cond, label %exit, label %loop