diff options
Diffstat (limited to 'llvm/test/CodeGen/ARM/call-tc.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/call-tc.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/call-tc.ll b/llvm/test/CodeGen/ARM/call-tc.ll index 7d245003ae2..2e59cc3f16e 100644 --- a/llvm/test/CodeGen/ARM/call-tc.ll +++ b/llvm/test/CodeGen/ARM/call-tc.ll @@ -138,3 +138,24 @@ declare i32 @a(i32) declare i32 @b(i32) declare i32 @c(i32) + +; PR12419 +; rdar://11195178 +; Use the correct input chain for the tailcall node or else the call to +; _ZN9MutexLockD1Ev would be lost. +%class.MutexLock = type { i8 } + +@x = external global i32, align 4 + +define i32 @_Z5test1v() nounwind { + %lock = alloca %class.MutexLock, align 1 + %1 = call %class.MutexLock* @_ZN9MutexLockC1Ev(%class.MutexLock* %lock) + %2 = load i32* @x, align 4 + %3 = sdiv i32 1000, %2 + %4 = call %class.MutexLock* @_ZN9MutexLockD1Ev(%class.MutexLock* %lock) + ret i32 %3 +} + +declare %class.MutexLock* @_ZN9MutexLockC1Ev(%class.MutexLock*) unnamed_addr nounwind align 2 + +declare %class.MutexLock* @_ZN9MutexLockD1Ev(%class.MutexLock*) unnamed_addr nounwind align 2 |
