1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes 2; RUN: opt -passes=function-attrs -S < %s | FileCheck %s 3 4; Atomic load/store to local doesn't affect whether a function is 5; readnone/readonly. 6define i32 @test1(i32 %x) uwtable ssp { 7; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind ssp willreturn memory(none) uwtable 8; CHECK-LABEL: @test1( 9; CHECK-NEXT: entry: 10; CHECK-NEXT: [[X_ADDR:%.*]] = alloca i32, align 4 11; CHECK-NEXT: store atomic i32 [[X:%.*]], ptr [[X_ADDR]] seq_cst, align 4 12; CHECK-NEXT: [[R:%.*]] = load atomic i32, ptr [[X_ADDR]] seq_cst, align 4 13; CHECK-NEXT: ret i32 [[R]] 14; 15entry: 16 %x.addr = alloca i32, align 4 17 store atomic i32 %x, ptr %x.addr seq_cst, align 4 18 %r = load atomic i32, ptr %x.addr seq_cst, align 4 19 ret i32 %r 20} 21 22; A function with an Acquire load is not readonly. 23define i32 @test2(ptr %x) uwtable ssp { 24; CHECK: Function Attrs: mustprogress nofree norecurse nounwind ssp willreturn memory(argmem: readwrite) uwtable 25; CHECK-LABEL: @test2( 26; CHECK-NEXT: entry: 27; CHECK-NEXT: [[R:%.*]] = load atomic i32, ptr [[X:%.*]] seq_cst, align 4 28; CHECK-NEXT: ret i32 [[R]] 29; 30entry: 31 %r = load atomic i32, ptr %x seq_cst, align 4 32 ret i32 %r 33} 34