44 lines
1.8 KiB
LLVM
44 lines
1.8 KiB
LLVM
; 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
|
|
|
|
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
|
|
|
|
|
|
; This only tests that asking for remarks doesn't lead to compiler crashing
|
|
; (or timing out). We just check for output. To be sure, we also check we didn't
|
|
; vectorize.
|
|
; CHECK-LABEL: @atomicLoadsBothWriteAndReadMem
|
|
; CHECK-NOT: <{{[0-9]+}} x i8>
|
|
|
|
%"struct.std::__atomic_base" = type { i32 }
|
|
%"struct.std::atomic" = type { %"struct.std::__atomic_base" }
|
|
%union.anon = type { i64 }
|
|
%MyStruct = type { i32, %"struct.std::atomic", %union.anon }
|
|
|
|
define void @atomicLoadsBothWriteAndReadMem(%MyStruct *%a, %MyStruct *%b, %MyStruct *%lim) {
|
|
entry:
|
|
br label %loop
|
|
|
|
loop:
|
|
%0 = phi %MyStruct* [ %a, %entry ], [ %ainc, %loop ]
|
|
%1 = phi %MyStruct* [ %b, %entry ], [ %binc, %loop ]
|
|
%2 = getelementptr %MyStruct, %MyStruct* %1, i64 0, i32 0
|
|
%3 = load i32, i32* %2, align 8
|
|
%4 = getelementptr inbounds %MyStruct, %MyStruct* %0, i64 0, i32 0
|
|
store i32 %3, i32* %4, align 8
|
|
%5 = getelementptr inbounds %MyStruct, %MyStruct* %1, i64 0, i32 1, i32 0, i32 0
|
|
%6 = load atomic i32, i32* %5 monotonic, align 4
|
|
%7 = getelementptr inbounds %MyStruct, %MyStruct* %0, i64 0, i32 1, i32 0, i32 0
|
|
store atomic i32 %6, i32* %7 monotonic, align 4
|
|
%8 = getelementptr inbounds %MyStruct, %MyStruct* %1, i64 0, i32 2, i32 0
|
|
%9 = getelementptr inbounds %MyStruct, %MyStruct* %0, i64 0, i32 2, i32 0
|
|
%10 = load i64, i64* %8, align 8
|
|
store i64 %10, i64* %9, align 8
|
|
%binc = getelementptr inbounds %MyStruct, %MyStruct* %1, i64 1
|
|
%ainc = getelementptr inbounds %MyStruct, %MyStruct* %0, i64 1
|
|
%cond = icmp eq %MyStruct* %binc, %lim
|
|
br i1 %cond, label %exit, label %loop
|
|
|
|
exit:
|
|
ret void
|
|
}
|