| ; RUN: llc -mtriple=i686-pc-windows-msvc < %s | FileCheck %s |
| |
| ; Sometimes invokes of nounwind functions make it through to CodeGen, especially |
| ; at -O0, where Clang sometimes optimistically annotates functions as nounwind. |
| ; WinEHPrepare ends up outlining functions, and emitting references to LSDA |
| ; labels. Make sure we emit the LSDA in that case. |
| |
| declare i32 @__CxxFrameHandler3(...) |
| declare void @nounwind_func() nounwind |
| declare void @cleanup() |
| |
| define void @should_emit_tables() personality i32 (...)* @__CxxFrameHandler3 { |
| entry: |
| invoke void @nounwind_func() |
| to label %done unwind label %lpad |
| |
| done: |
| ret void |
| |
| lpad: |
| %vals = landingpad { i8*, i32 } |
| cleanup |
| call void @cleanup() |
| resume { i8*, i32 } %vals |
| } |
| |
| ; CHECK: _should_emit_tables: |
| ; CHECK: calll _nounwind_func |
| ; CHECK: retl |
| |
| ; CHECK: L__ehtable$should_emit_tables: |
| |
| ; CHECK: ___ehhandler$should_emit_tables: |
| ; CHECK: movl $L__ehtable$should_emit_tables, %eax |
| ; CHECK: jmp ___CxxFrameHandler3 # TAILCALL |
