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Imported Upstream version 5.18.0.234

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Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f
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Xamarin Public Jenkins (auto-signing)
2019-01-08 08:22:36 +00:00
parent f32dbaf0b2
commit 212f6bafcb
28494 changed files with 359 additions and 3867025 deletions
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33
external/llvm/test/Analysis/Lint/tail-call-byval.ll vendored
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@ -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)