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73c8415d90
any given function. As pointed out by John McCall, this is needed to have redundant eh.typeid.for tests be eliminated in the presence of cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139360 91177308-0d34-0410-b5e6-96231b3b80d8
82 lines
3.2 KiB
LLVM
82 lines
3.2 KiB
LLVM
; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
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%struct.__fundamental_type_info_pseudo = type { %struct.__type_info_pseudo }
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%struct.__type_info_pseudo = type { i8*, i8* }
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@_ZTIi = external constant %struct.__fundamental_type_info_pseudo
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@_ZTIb = external constant %struct.__fundamental_type_info_pseudo
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declare void @_Z4barv()
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declare void @_Z7cleanupv()
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declare i32 @llvm.eh.typeid.for(i8*) nounwind readonly
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declare i8* @__cxa_begin_catch(i8*) nounwind
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declare void @__cxa_end_catch()
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declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*)
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define void @_Z3foov() uwtable {
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entry:
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invoke void @_Z4barv()
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to label %return unwind label %lpad
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lpad: ; preds = %entry
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%0 = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0
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catch %struct.__fundamental_type_info_pseudo* @_ZTIi
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catch %struct.__fundamental_type_info_pseudo* @_ZTIb
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catch %struct.__fundamental_type_info_pseudo* @_ZTIi
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catch %struct.__fundamental_type_info_pseudo* @_ZTIb
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%exc_ptr2.i = extractvalue { i8*, i32 } %0, 0
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%filter3.i = extractvalue { i8*, i32 } %0, 1
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%typeid.i = tail call i32 @llvm.eh.typeid.for(i8* bitcast (%struct.__fundamental_type_info_pseudo* @_ZTIi to i8*))
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; CHECK: call i32 @llvm.eh.typeid.for
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%1 = icmp eq i32 %filter3.i, %typeid.i
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br i1 %1, label %ppad, label %next
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next: ; preds = %lpad
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%typeid1.i = tail call i32 @llvm.eh.typeid.for(i8* bitcast (%struct.__fundamental_type_info_pseudo* @_ZTIb to i8*))
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; CHECK: call i32 @llvm.eh.typeid.for
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%2 = icmp eq i32 %filter3.i, %typeid1.i
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br i1 %2, label %ppad2, label %next2
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ppad: ; preds = %lpad
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%3 = tail call i8* @__cxa_begin_catch(i8* %exc_ptr2.i) nounwind
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tail call void @__cxa_end_catch() nounwind
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br label %return
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ppad2: ; preds = %next
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%D.2073_5.i = tail call i8* @__cxa_begin_catch(i8* %exc_ptr2.i) nounwind
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tail call void @__cxa_end_catch() nounwind
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br label %return
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next2: ; preds = %next
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call void @_Z7cleanupv()
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%typeid = tail call i32 @llvm.eh.typeid.for(i8* bitcast (%struct.__fundamental_type_info_pseudo* @_ZTIi to i8*))
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; CHECK-NOT: call i32 @llvm.eh.typeid.for
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%4 = icmp eq i32 %filter3.i, %typeid
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br i1 %4, label %ppad3, label %next3
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next3: ; preds = %next2
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%typeid1 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (%struct.__fundamental_type_info_pseudo* @_ZTIb to i8*))
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%5 = icmp eq i32 %filter3.i, %typeid1
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br i1 %5, label %ppad4, label %unwind
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unwind: ; preds = %next3
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resume { i8*, i32 } %0
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ppad3: ; preds = %next2
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%6 = tail call i8* @__cxa_begin_catch(i8* %exc_ptr2.i) nounwind
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tail call void @__cxa_end_catch() nounwind
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br label %return
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ppad4: ; preds = %next3
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%D.2080_5 = tail call i8* @__cxa_begin_catch(i8* %exc_ptr2.i) nounwind
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tail call void @__cxa_end_catch() nounwind
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br label %return
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return: ; preds = %ppad4, %ppad3, %ppad2, %ppad, %entry
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ret void
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}
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