Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190

external/llvm/test/Analysis/Lint/tail-call-byval.ll

@@ -1,33 +0,0 @@
-; RUN: opt < %s -lint -disable-output 2>&1 | FileCheck %s
-
-%s = type { i8 }
-
-declare void @f1(%s*)
-
-define void @f2() {
-entry:
-  %c = alloca %s
-  tail call void @f1(%s* %c)
-  ret void
-}
-
-; Lint should complain about the tail call passing the alloca'd value %c to f1.
-; CHECK: Undefined behavior: Call with "tail" keyword references alloca
-; CHECK-NEXT:  tail call void @f1(%s* %c)
-
-declare void @f3(%s* byval)
-
-define void @f4() {
-entry:
-  %c = alloca %s
-  tail call void @f3(%s* byval %c)
-  ret void
-}
-
-; Lint should not complain about passing the alloca'd %c since it's passed
-; byval, effectively copying the data to the stack instead of leaking the
-; pointer itself.
-; CHECK-NOT: Undefined behavior: Call with "tail" keyword references alloca
-; CHECK-NOT:  tail call void @f3(%s* byval %c)
-
-