diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/cxx_tlscc64.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/cxx_tlscc64.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/cxx_tlscc64.ll b/llvm/test/CodeGen/X86/cxx_tlscc64.ll index 149384549e9..c9be4a269c0 100644 --- a/llvm/test/CodeGen/X86/cxx_tlscc64.ll +++ b/llvm/test/CodeGen/X86/cxx_tlscc64.ll @@ -138,5 +138,18 @@ define cxx_fast_tlscc %class.C* @tls_test2() #1 { call cxx_fast_tlscc void @tls_helper() ret %class.C* @tC } + +; Make sure we do not allow tail call when caller and callee have different +; calling conventions. +declare %class.C* @_ZN1CD1Ev(%class.C* readnone returned %this) +; CHECK-LABEL: tls_test +; CHECK: callq {{.*}}tlv_atexit +define cxx_fast_tlscc void @tls_test() { +entry: + store i32 0, i32* getelementptr inbounds (%class.C, %class.C* @tC, i64 0, i32 0), align 4 + %0 = tail call i32 @_tlv_atexit(void (i8*)* bitcast (%class.C* (%class.C*)* @_ZN1CD1Ev to void (i8*)*), i8* bitcast (%class.C* @tC to i8*), i8* nonnull @__dso_handle) #1 + ret void +} + attributes #0 = { nounwind "no-frame-pointer-elim"="true" } attributes #1 = { nounwind } |
