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Implement checking of the tail keyword.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104744 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-05-26 21:46:36 +00:00
parent f86a619314
commit 113b3e2c6e
2 changed files with 21 additions and 1 deletions
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12
test/Other/lint.ll
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@@ -77,8 +77,20 @@ define void @not_vararg(i8* %p) nounwind {
ret void
}
; CHECK: Undefined behavior: Branch to non-blockaddress
define void @use_indbr() {
indirectbr i8* bitcast (i32()* @foo to i8*), [label %block]
block:
unreachable
}
; CHECK: Undefined behavior: Call with "tail" keyword references alloca or va_arg
; CHECK: Undefined behavior: Call with "tail" keyword references alloca or va_arg
declare void @tailcallee(i8*)
define void @use_tail(i8* %valist) {
%t = alloca i8
tail call void @tailcallee(i8* %t)
%s = va_arg i8* %valist, i8*
tail call void @tailcallee(i8* %s)
ret void
}