@int_typeinfo = global i8 0
declare void @might_throw()
-declare void @cleanup()
-define i32 @simple_cleanup_catch() {
+define i32 @simple_catch() {
invoke void @might_throw()
to label %cont unwind label %lpad
-; CHECK-LABEL: define i32 @simple_cleanup_catch()
+; CHECK: define i32 @simple_catch()
; CHECK: invoke void @might_throw()
cont:
lpad:
%ehvals = landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0
- cleanup
catch i8* @int_typeinfo
%ehptr = extractvalue { i8*, i32 } %ehvals, 0
%ehsel = extractvalue { i8*, i32 } %ehvals, 1
- call void @cleanup()
%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 void @cleanup()
; CHECK: call i32 @llvm.eh.typeid.for
; CHECK: br i1
; CHECK: ret i32 1
eh.resume:
- %tmp_ehvals = insertvalue { i8*, i32 } undef, i8* %ehptr, 0
- %new_ehvals = insertvalue { i8*, i32 } %tmp_ehvals, i32 %ehsel, 1
- resume { i8*, i32 } %new_ehvals
+ resume { i8*, i32 } %ehvals
; CHECK: eh.resume:
-; CHECK-NEXT: call void @_Unwind_Resume(i8* %ehptr)
+; CHECK: call void @_Unwind_Resume(i8* %{{.*}})
}
-
-define i32 @catch_no_resume() {
- invoke void @might_throw()
- to label %cont unwind label %lpad
-
-cont:
- 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
-
-catch_int:
- ret i32 1
-
-eh.resume:
- %tmp_ehvals = insertvalue { i8*, i32 } undef, i8* %ehptr, 0
- %new_ehvals = insertvalue { i8*, i32 } %tmp_ehvals, i32 %ehsel, 1
- resume { i8*, i32 } %new_ehvals
-}
-
-; Check that we can prune the unreachable resume instruction.
-
-; CHECK-LABEL: define i32 @catch_no_resume() {
-; CHECK: invoke void @might_throw()
-; CHECK: ret i32 0
-; CHECK: lpad:
-; CHECK: landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0
-; CHECK-NOT: br i1
-; CHECK: ret i32 1
-; CHECK-NOT: call void @_Unwind_Resume
-; CHECK: {{^[}]}}
-
-
-define i32 @catch_cleanup_merge() {
- invoke void @might_throw()
- to label %inner_invoke unwind label %outer_lpad
-inner_invoke:
- invoke void @might_throw()
- to label %cont unwind label %inner_lpad
-cont:
- ret i32 0
-
-outer_lpad:
- %ehvals1 = landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0
- catch i8* @int_typeinfo
- br label %catch.dispatch
-
-inner_lpad:
- %ehvals2 = landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0
- cleanup
- catch i8* @int_typeinfo
- call void @cleanup()
- br label %catch.dispatch
-
-catch.dispatch:
- %ehvals = phi { i8*, i32 } [ %ehvals1, %outer_lpad ], [ %ehvals2, %inner_lpad ]
- %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
-
-catch_int:
- ret i32 1
-
-eh.resume:
- %tmp_ehvals = insertvalue { i8*, i32 } undef, i8* %ehptr, 0
- %new_ehvals = insertvalue { i8*, i32 } %tmp_ehvals, i32 %ehsel, 1
- resume { i8*, i32 } %new_ehvals
-}
-
-; We can't prune this merge because one landingpad is a cleanup pad.
-
-; CHECK-LABEL: define i32 @catch_cleanup_merge()
-; CHECK: invoke void @might_throw()
-; CHECK: invoke void @might_throw()
-; CHECK: ret i32 0
-;
-; CHECK: outer_lpad:
-; CHECK: landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0
-; CHECK: br label %catch.dispatch
-;
-; CHECK: inner_lpad:
-; CHECK: landingpad { i8*, i32 } personality i32 (...)* @__gxx_personality_v0
-; CHECK: call void @cleanup()
-; CHECK: br label %catch.dispatch
-;
-; CHECK: catch.dispatch:
-; CHECK: call i32 @llvm.eh.typeid.for
-; CHECK: br i1
-; CHECK: catch_int:
-; CHECK: ret i32 1
-; CHECK: eh.resume:
-; CHECK-NEXT: call void @_Unwind_Resume(i8* %ehptr)
-
declare i32 @__gxx_personality_v0(...)
declare i32 @llvm.eh.typeid.for(i8*)