Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/Transforms/FunctionAttrs/atomic.ll

@@ -1,23 +0,0 @@
-; RUN: opt -basicaa -functionattrs -S < %s | FileCheck %s
-
-; Atomic load/store to local doesn't affect whether a function is
-; readnone/readonly.
-define i32 @test1(i32 %x) uwtable ssp {
-; CHECK: define i32 @test1(i32 %x) #0 {
-entry:
-  %x.addr = alloca i32, align 4
-  store atomic i32 %x, i32* %x.addr seq_cst, align 4
-  %r = load atomic i32, i32* %x.addr seq_cst, align 4
-  ret i32 %r
-}
-
-; A function with an Acquire load is not readonly.
-define i32 @test2(i32* %x) uwtable ssp {
-; CHECK: define i32 @test2(i32* nocapture readonly %x) #1 {
-entry:
-  %r = load atomic i32, i32* %x seq_cst, align 4
-  ret i32 %r
-}
-
-; CHECK: attributes #0 = { norecurse readnone ssp uwtable }
-; CHECK: attributes #1 = { norecurse ssp uwtable }