llvm-project/llvm/test/CodeGen/X86/sjlj-eh-musttail.ll

32 lines
978 B
LLVM

; FIXME: Fix machine verifier issues and remove -verify-machineinstrs=0. PR39439.
; RUN: llc -mtriple i386-windows-gnu -exception-model sjlj -filetype asm -o - %s -verify-machineinstrs=0 | FileCheck %s
declare void @_Z20function_that_throwsv()
declare i32 @__gxx_personality_sj0(...)
declare i8* @__cxa_begin_catch(i8*)
declare void @__cxa_end_catch()
declare void @_callee();
define void @_Z8functionv() personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*) {
entry:
invoke void @_Z20function_that_throwsv()
to label %try.cont unwind label %lpad
lpad:
%0 = landingpad { i8*, i32 }
catch i8* null
%1 = extractvalue { i8*, i32 } %0, 0
%2 = tail call i8* @__cxa_begin_catch(i8* %1)
tail call void @__cxa_end_catch()
br label %try.cont
try.cont:
musttail call void @_callee();
ret void
}
; CHECK-LABEL: __Z8functionv:
; CHECK: calll __Unwind_SjLj_Unregister
; CHECK-NOT: {{.*}}:
; CHECK: jmp __callee