llvm-6502/test/Transforms/TailCallElim/setjmp.ll at d155945f15f73eb5619756d94e69b5bc5319d89a - llvm-6502 - Applefritter: Git

6502/llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-10-31 08:16:47 +00:00

Files

Rafael Espindola 0e00c6c561 Don't do tail calls in a function that call setjmp. The stack might be

corrupted when setjmp returns again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131399 91177308-0d34-0410-b5e6-96231b3b80d8

2011-05-16 03:05:33 +00:00

17 lines

305 B

LLVM

Raw Blame History

 ; 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()