; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes
; RUN: opt -passes=function-attrs -S < %s | FileCheck --check-prefixes=COMMON,FNATTRS %s
; RUN: opt -passes=attributor-light -S < %s | FileCheck --check-prefixes=COMMON,ATTRIBUTOR %s
; TEST 1
define i32 @foo1() {
; COMMON: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; COMMON-LABEL: define {{[^@]+}}@foo1
; COMMON-SAME: () #[[ATTR0:[0-9]+]] {
; COMMON-NEXT: ret i32 1
;
ret i32 1
}
; TEST 2
define i32 @scc1_foo() {
; FNATTRS: Function Attrs: nofree nosync nounwind memory(none)
; FNATTRS-LABEL: define {{[^@]+}}@scc1_foo
; FNATTRS-SAME: () #[[ATTR1:[0-9]+]] {
; FNATTRS-NEXT: [[TMP1:%.*]] = call i32 @scc1_bar()
; FNATTRS-NEXT: ret i32 1
;
; ATTRIBUTOR: Function Attrs: nofree nosync nounwind memory(none)
; ATTRIBUTOR-LABEL: define {{[^@]+}}@scc1_foo
; ATTRIBUTOR-SAME: () #[[ATTR1:[0-9]+]] {
; ATTRIBUTOR-NEXT: [[TMP1:%.*]] = call i32 @scc1_bar() #[[ATTR1]]
; ATTRIBUTOR-NEXT: ret i32 1
;
%1 = call i32 @scc1_bar()
ret i32 1
}
; TEST 3
define i32 @scc1_bar() {
; FNATTRS: Function Attrs: nofree nosync nounwind memory(none)
; FNATTRS-LABEL: define {{[^@]+}}@scc1_bar
; FNATTRS-SAME: () #[[ATTR1]] {
; FNATTRS-NEXT: [[TMP1:%.*]] = call i32 @scc1_foo()
; FNATTRS-NEXT: ret i32 1
;
; ATTRIBUTOR: Function Attrs: nofree nosync nounwind memory(none)
; ATTRIBUTOR-LABEL: define {{[^@]+}}@scc1_bar
; ATTRIBUTOR-SAME: () #[[ATTR1]] {
; ATTRIBUTOR-NEXT: [[TMP1:%.*]] = call i32 @scc1_foo() #[[ATTR1]]
; ATTRIBUTOR-NEXT: ret i32 1
;
%1 = call i32 @scc1_foo()
ret i32 1
}
declare i32 @non_nounwind()
; TEST 4
define void @call_non_nounwind(){
; COMMON-LABEL: define {{[^@]+}}@call_non_nounwind() {
; COMMON-NEXT: [[TMP1:%.*]] = tail call i32 @non_nounwind()
; COMMON-NEXT: ret void
;
tail call i32 @non_nounwind()
ret void
}
; TEST 5 - throw
; int maybe_throw(bool canThrow) {
; if (canThrow)
; throw;
; else
; return -1;
; }
define i32 @maybe_throw(i1 zeroext %0) {
; COMMON-LABEL: define {{[^@]+}}@maybe_throw
; COMMON-SAME: (i1 zeroext [[TMP0:%.*]]) {
; COMMON-NEXT: br i1 [[TMP0]], label [[TMP2:%.*]], label [[TMP3:%.*]]
; COMMON: 2:
; COMMON-NEXT: tail call void @__cxa_rethrow()
; COMMON-NEXT: unreachable
; COMMON: 3:
; COMMON-NEXT: ret i32 -1
;
br i1 %0, label %2, label %3
2: ; preds = %1
tail call void @__cxa_rethrow() #1
unreachable
3: ; preds = %1
ret i32 -1
}
declare void @__cxa_rethrow()
; TEST 6 - catch
; int catch_thing() {
; try {
; int a = doThing(true);
; }
; catch(...) { return -1; }
; return 1;
; }
define i32 @catch_thing() personality ptr @__gxx_personality_v0 {
; COMMON-LABEL: define {{[^@]+}}@catch_thing() personality ptr @__gxx_personality_v0 {
; COMMON-NEXT: invoke void @__cxa_rethrow()
; COMMON-NEXT: to label [[TMP1:%.*]] unwind label [[TMP2:%.*]]
; COMMON: 1:
; COMMON-NEXT: unreachable
; COMMON: 2:
; COMMON-NEXT: [[TMP3:%.*]] = landingpad { ptr, i32 }
; COMMON-NEXT: catch ptr null
; COMMON-NEXT: [[TMP4:%.*]] = extractvalue { ptr, i32 } [[TMP3]], 0
; COMMON-NEXT: [[TMP5:%.*]] = tail call ptr @__cxa_begin_catch(ptr [[TMP4]])
; COMMON-NEXT: tail call void @__cxa_end_catch()
; COMMON-NEXT: ret i32 -1
;
invoke void @__cxa_rethrow() #1
to label %1 unwind label %2
1: ; preds = %0
unreachable
2: ; preds = %0
%3 = landingpad { ptr, i32 }
catch ptr null
%4 = extractvalue { ptr, i32 } %3, 0
%5 = tail call ptr @__cxa_begin_catch(ptr %4) #2
tail call void @__cxa_end_catch()
ret i32 -1
}
define i32 @catch_thing_user() {
; COMMON-LABEL: define {{[^@]+}}@catch_thing_user() {
; COMMON-NEXT: [[CATCH_THING_CALL:%.*]] = call i32 @catch_thing()
; COMMON-NEXT: ret i32 [[CATCH_THING_CALL]]
;
%catch_thing_call = call i32 @catch_thing()
ret i32 %catch_thing_call
}
declare void @do_throw()
declare void @abort() nounwind
@catch_ty = external global ptr
define void @catch_specific_landingpad() personality ptr @__gxx_personality_v0 {
; COMMON: Function Attrs: noreturn
; COMMON-LABEL: define {{[^@]+}}@catch_specific_landingpad
; COMMON-SAME: () #[[ATTR3:[0-9]+]] personality ptr @__gxx_personality_v0 {
; COMMON-NEXT: invoke void @do_throw()
; COMMON-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[LPAD:%.*]]
; COMMON: lpad:
; COMMON-NEXT: [[LP:%.*]] = landingpad { ptr, i32 }
; COMMON-NEXT: catch ptr @catch_ty
; COMMON-NEXT: call void @abort()
; COMMON-NEXT: unreachable
; COMMON: unreachable:
; COMMON-NEXT: unreachable
;
invoke void @do_throw()
to label %unreachable unwind label %lpad
lpad:
%lp = landingpad { ptr, i32 }
catch ptr @catch_ty
call void @abort()
unreachable
unreachable:
unreachable
}
define void @catch_all_landingpad() personality ptr @__gxx_personality_v0 {
; COMMON: Function Attrs: noreturn nounwind
; COMMON-LABEL: define {{[^@]+}}@catch_all_landingpad
; COMMON-SAME: () #[[ATTR4:[0-9]+]] personality ptr @__gxx_personality_v0 {
; COMMON-NEXT: invoke void @do_throw()
; COMMON-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[LPAD:%.*]]
; COMMON: lpad:
; COMMON-NEXT: [[LP:%.*]] = landingpad { ptr, i32 }
; COMMON-NEXT: catch ptr null
; COMMON-NEXT: call void @abort()
; COMMON-NEXT: unreachable
; COMMON: unreachable:
; COMMON-NEXT: unreachable
;
invoke void @do_throw()
to label %unreachable unwind label %lpad
lpad:
%lp = landingpad { ptr, i32 }
catch ptr null
call void @abort()
unreachable
unreachable:
unreachable
}
define void @filter_specific_landingpad() personality ptr @__gxx_personality_v0 {
; COMMON: Function Attrs: noreturn
; COMMON-LABEL: define {{[^@]+}}@filter_specific_landingpad
; COMMON-SAME: () #[[ATTR3]] personality ptr @__gxx_personality_v0 {
; COMMON-NEXT: invoke void @do_throw()
; COMMON-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[LPAD:%.*]]
; COMMON: lpad:
; COMMON-NEXT: [[LP:%.*]] = landingpad { ptr, i32 }
; COMMON-NEXT: filter [1 x ptr] [ptr @catch_ty]
; COMMON-NEXT: call void @abort()
; COMMON-NEXT: unreachable
; COMMON: unreachable:
; COMMON-NEXT: unreachable
;
invoke void @do_throw()
to label %unreachable unwind label %lpad
lpad:
%lp = landingpad { ptr, i32 }
filter [1 x ptr] [ptr @catch_ty]
call void @abort()
unreachable
unreachable:
unreachable
}
define void @filter_none_landingpad() personality ptr @__gxx_personality_v0 {
; COMMON: Function Attrs: noreturn nounwind
; COMMON-LABEL: define {{[^@]+}}@filter_none_landingpad
; COMMON-SAME: () #[[ATTR4]] personality ptr @__gxx_personality_v0 {
; COMMON-NEXT: invoke void @do_throw()
; COMMON-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[LPAD:%.*]]
; COMMON: lpad:
; COMMON-NEXT: [[LP:%.*]] = landingpad { ptr, i32 }
; COMMON-NEXT: filter [0 x ptr] zeroinitializer
; COMMON-NEXT: call void @abort()
; COMMON-NEXT: unreachable
; COMMON: unreachable:
; COMMON-NEXT: unreachable
;
invoke void @do_throw()
to label %unreachable unwind label %lpad
lpad:
%lp = landingpad { ptr, i32 }
filter [0 x ptr] zeroinitializer
call void @abort()
unreachable
unreachable:
unreachable
}
define void @cleanup_landingpad() personality ptr @__gxx_personality_v0 {
; COMMON: Function Attrs: noreturn
; COMMON-LABEL: define {{[^@]+}}@cleanup_landingpad
; COMMON-SAME: () #[[ATTR3]] personality ptr @__gxx_personality_v0 {
; COMMON-NEXT: invoke void @do_throw()
; COMMON-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[LPAD:%.*]]
; COMMON: lpad:
; COMMON-NEXT: [[LP:%.*]] = landingpad { ptr, i32 }
; COMMON-NEXT: cleanup
; COMMON-NEXT: call void @abort()
; COMMON-NEXT: unreachable
; COMMON: unreachable:
; COMMON-NEXT: unreachable
;
invoke void @do_throw()
to label %unreachable unwind label %lpad
lpad:
%lp = landingpad { ptr, i32 }
cleanup
call void @abort()
unreachable
unreachable:
unreachable
}
define void @cleanuppad() personality ptr @__gxx_personality_v0 {
; FNATTRS: Function Attrs: noreturn
; FNATTRS-LABEL: define {{[^@]+}}@cleanuppad
; FNATTRS-SAME: () #[[ATTR3]] personality ptr @__gxx_personality_v0 {
; FNATTRS-NEXT: invoke void @do_throw()
; FNATTRS-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[CPAD:%.*]]
; FNATTRS: cpad:
; FNATTRS-NEXT: [[CP:%.*]] = cleanuppad within none []
; FNATTRS-NEXT: call void @abort()
; FNATTRS-NEXT: unreachable
; FNATTRS: unreachable:
; FNATTRS-NEXT: unreachable
;
; ATTRIBUTOR: Function Attrs: noreturn nounwind
; ATTRIBUTOR-LABEL: define {{[^@]+}}@cleanuppad
; ATTRIBUTOR-SAME: () #[[ATTR4]] personality ptr @__gxx_personality_v0 {
; ATTRIBUTOR-NEXT: invoke void @do_throw()
; ATTRIBUTOR-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[CPAD:%.*]]
; ATTRIBUTOR: cpad:
; ATTRIBUTOR-NEXT: [[CP:%.*]] = cleanuppad within none []
; ATTRIBUTOR-NEXT: call void @abort()
; ATTRIBUTOR-NEXT: unreachable
; ATTRIBUTOR: unreachable:
; ATTRIBUTOR-NEXT: unreachable
;
invoke void @do_throw()
to label %unreachable unwind label %cpad
cpad:
%cp = cleanuppad within none []
call void @abort()
unreachable
unreachable:
unreachable
}
define void @catchswitch_cleanuppad() personality ptr @__gxx_personality_v0 {
; FNATTRS: Function Attrs: noreturn
; FNATTRS-LABEL: define {{[^@]+}}@catchswitch_cleanuppad
; FNATTRS-SAME: () #[[ATTR3]] personality ptr @__gxx_personality_v0 {
; FNATTRS-NEXT: invoke void @do_throw()
; FNATTRS-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[CS:%.*]]
; FNATTRS: cs:
; FNATTRS-NEXT: [[TOK:%.*]] = catchswitch within none [label %catch] unwind label [[CPAD:%.*]]
; FNATTRS: catch:
; FNATTRS-NEXT: [[C:%.*]] = catchpad within [[TOK]] [ptr @catch_ty, i32 0, ptr null]
; FNATTRS-NEXT: call void @abort()
; FNATTRS-NEXT: unreachable
; FNATTRS: cpad:
; FNATTRS-NEXT: [[CP:%.*]] = cleanuppad within none []
; FNATTRS-NEXT: call void @abort()
; FNATTRS-NEXT: unreachable
; FNATTRS: unreachable:
; FNATTRS-NEXT: unreachable
;
; ATTRIBUTOR: Function Attrs: noreturn nounwind
; ATTRIBUTOR-LABEL: define {{[^@]+}}@catchswitch_cleanuppad
; ATTRIBUTOR-SAME: () #[[ATTR4]] personality ptr @__gxx_personality_v0 {
; ATTRIBUTOR-NEXT: invoke void @do_throw()
; ATTRIBUTOR-NEXT: to label [[UNREACHABLE:%.*]] unwind label [[CS:%.*]]
; ATTRIBUTOR: cs:
; ATTRIBUTOR-NEXT: [[TOK:%.*]] = catchswitch within none [label %catch] unwind label [[CPAD:%.*]]
; ATTRIBUTOR: catch:
; ATTRIBUTOR-NEXT: [[C:%.*]] = catchpad within [[TOK]] [ptr @catch_ty, i32 0, ptr null]
; ATTRIBUTOR-NEXT: call void @abort()
; ATTRIBUTOR-NEXT: unreachable
; ATTRIBUTOR: cpad:
; ATTRIBUTOR-NEXT: [[CP:%.*]] = cleanuppad within none []
; ATTRIBUTOR-NEXT: call void @abort()
; ATTRIBUTOR-NEXT: unreachable
; ATTRIBUTOR: unreachable:
; ATTRIBUTOR-NEXT: unreachable
;
invoke void @do_throw()
to label %unreachable unwind label %cs
cs:
%tok = catchswitch within none [label %catch] unwind label %cpad
catch:
%c = catchpad within %tok [ptr @catch_ty, i32 0, ptr null]
call void @abort()
unreachable
cpad:
%cp = cleanuppad within none []
call void @abort()
unreachable
unreachable:
unreachable
}
declare i32 @__gxx_personality_v0(...)
declare ptr @__cxa_begin_catch(ptr)
declare void @__cxa_end_catch()
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