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; RUN: opt -mtriple=x86_64-linux-gnu -dwarfehprepare < %s -S | FileCheck %s
; Check basic functionality of IR-to-IR DWARF EH preparation. This should
; eliminate resumes. This pass requires a TargetMachine, so we put it under X86
; and provide an x86 triple.
@int_typeinfo = global i8 0
declare void @might_throw()
define i32 @simple_catch() {
invoke void @might_throw()
to label %cont unwind label %lpad
; CHECK: define i32 @simple_catch()
; CHECK: invoke void @might_throw()
cont:
ret i32 0
; CHECK: ret i32 0
lpad:
%ehvals = landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0
catch i8* @int_typeinfo
%ehptr = extractvalue { i8*, i32 } %ehvals, 0
%ehsel = extractvalue { i8*, i32 } %ehvals, 1
%int_sel = call i32 @llvm.eh.typeid.for(i8* @int_typeinfo)
%int_match = icmp eq i32 %ehsel, %int_sel
br i1 %int_match, label %catch_int, label %eh.resume
; CHECK: lpad:
; CHECK: landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0
; CHECK: call i32 @llvm.eh.typeid.for
; CHECK: br i1
catch_int:
ret i32 1
; CHECK: catch_int:
; CHECK: ret i32 1
eh.resume:
resume { i8*, i32 } %ehvals
; CHECK: eh.resume:
; CHECK: call void @_Unwind_Resume(i8* %{{.*}})
}
declare i32 @__gxx_personality_v0(...)
declare i32 @llvm.eh.typeid.for(i8*)
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