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