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llvm-mirror/test/Transforms/TailCallElim/setjmp.ll
Rafael Espindola 113d944ce4 Don't do tail calls in a function that call setjmp. The stack might be
corrupted when setjmp returns again.

llvm-svn: 131399
2011-05-16 03:05:33 +00:00

17 lines
305 B
LLVM

; RUN: opt < %s -tailcallelim -S | FileCheck %s
; Test that we don't tail call in a functions that calls setjmp.
; CHECK-NOT: tail call void @bar()
define void @foo(i32* %x) {
bb:
%tmp75 = tail call i32 @setjmp(i32* %x)
call void @bar()
ret void
}
declare i32 @setjmp(i32*)
declare void @bar()