Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/GlobalOpt/tls.ll

@@ -1,54 +0,0 @@
-; RUN: opt < %s -globalopt -S | FileCheck %s
-; RUN: opt -emulated-tls < %s -globalopt -S | FileCheck %s
-
-declare void @wait()
-declare void @signal()
-declare void @start_thread(void ()*)
-
-@x = internal thread_local global [100 x i32] zeroinitializer, align 16
-@ip = internal global i32* null, align 8
-
-; PR14309: GlobalOpt would think that the value of @ip is always the address of
-; x[1]. However, that address is different for different threads so @ip cannot
-; be replaced with a constant.
-
-define i32 @f() {
-entry:
-  ; Set @ip to point to x[1] for thread 1.
-  store i32* getelementptr inbounds ([100 x i32], [100 x i32]* @x, i64 0, i64 1), i32** @ip, align 8
-
-  ; Run g on a new thread.
-  tail call void @start_thread(void ()* @g) nounwind
-  tail call void @wait() nounwind
-
-  ; Reset x[1] for thread 1.
-  store i32 0, i32* getelementptr inbounds ([100 x i32], [100 x i32]* @x, i64 0, i64 1), align 4
-
-  ; Read the value of @ip, which now points at x[1] for thread 2.
-  %0 = load i32*, i32** @ip, align 8
-
-  %1 = load i32, i32* %0, align 4
-  ret i32 %1
-
-; CHECK-LABEL: @f(
-; Make sure that the load from @ip hasn't been removed.
-; CHECK: load i32*, i32** @ip
-; CHECK: ret
-}
-
-define internal void @g() nounwind uwtable {
-entry:
-  ; Set @ip to point to x[1] for thread 2.
-  store i32* getelementptr inbounds ([100 x i32], [100 x i32]* @x, i64 0, i64 1), i32** @ip, align 8
-
-  ; Store 50 in x[1] for thread 2.
-  store i32 50, i32* getelementptr inbounds ([100 x i32], [100 x i32]* @x, i64 0, i64 1), align 4
-
-  tail call void @signal() nounwind
-  ret void
-
-; CHECK-LABEL: @g(
-; Make sure that the store to @ip hasn't been removed.
-; CHECK: store {{.*}} @ip
-; CHECK: ret
-}