forked from OSchip/llvm-project
104 lines
3.3 KiB
LLVM
104 lines
3.3 KiB
LLVM
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; RUN: opt < %s -inline -S | FileCheck %s
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; Test that the inliner correctly handles inlining into invoke sites
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; by appending selectors and forwarding _Unwind_Resume directly to the
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; enclosing landing pad.
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%struct.A = type { i8 }
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@_ZTIi = external constant i8*
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declare void @_ZN1AC1Ev(%struct.A*)
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declare void @_ZN1AD1Ev(%struct.A*)
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declare i8* @llvm.eh.exception() nounwind readonly
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declare i32 @llvm.eh.selector(i8*, i8*, ...) nounwind
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declare i32 @llvm.eh.typeid.for(i8*) nounwind
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declare void @_Unwind_Resume(i8*)
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declare i32 @__gxx_personality_v0(...)
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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declare void @_ZSt9terminatev()
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define internal void @test0_in() alwaysinline uwtable ssp {
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entry:
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%a = alloca %struct.A, align 1
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%b = alloca %struct.A, align 1
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call void @_ZN1AC1Ev(%struct.A* %a)
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invoke void @_ZN1AC1Ev(%struct.A* %b)
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to label %invoke.cont unwind label %lpad
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invoke.cont:
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invoke void @_ZN1AD1Ev(%struct.A* %b)
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to label %invoke.cont1 unwind label %lpad
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invoke.cont1:
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call void @_ZN1AD1Ev(%struct.A* %a)
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ret void
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lpad:
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%exn = call i8* @llvm.eh.exception() nounwind
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%eh.selector = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exn, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0) nounwind
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invoke void @_ZN1AD1Ev(%struct.A* %a)
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to label %invoke.cont2 unwind label %terminate.lpad
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invoke.cont2:
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call void @_Unwind_Resume(i8* %exn) noreturn
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unreachable
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terminate.lpad:
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%exn3 = call i8* @llvm.eh.exception() nounwind
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%eh.selector4 = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exn3, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* null) nounwind
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call void @_ZSt9terminatev() noreturn nounwind
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unreachable
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}
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define void @test0_out() uwtable ssp {
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entry:
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invoke void @test0_in()
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to label %ret unwind label %lpad
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ret:
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ret void
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lpad: ; preds = %entry
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%exn = call i8* @llvm.eh.exception() nounwind
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%eh.selector = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exn, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*)) nounwind
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%0 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) nounwind
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%1 = icmp eq i32 %eh.selector, %0
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br i1 %1, label %catch, label %eh.resume
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catch:
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%ignored = call i8* @__cxa_begin_catch(i8* %exn) nounwind
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call void @__cxa_end_catch() nounwind
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br label %ret
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eh.resume:
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call void @_Unwind_Resume(i8* %exn) noreturn
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unreachable
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}
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; CHECK: define void @test0_out()
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; CHECK: [[A:%.*]] = alloca %struct.A,
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; CHECK: [[B:%.*]] = alloca %struct.A,
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; CHECK: invoke void @_ZN1AC1Ev(%struct.A* [[A]])
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; CHECK: invoke void @_ZN1AC1Ev(%struct.A* [[B]])
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; CHECK: invoke void @_ZN1AD1Ev(%struct.A* [[B]])
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; CHECK: invoke void @_ZN1AD1Ev(%struct.A* [[A]])
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; CHECK: call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* {{%.*}}, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0, i8* bitcast (i8** @_ZTIi to i8*))
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; CHECK-NEXT: invoke void @_ZN1AD1Ev(%struct.A* [[A]])
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; CHECK-NEXT: to label %[[LBL:[^\s]+]] unwind
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; CHECK: [[LBL]]:
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; CHECK-NEXT: br label %[[LPAD:[^\s]+]]
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; CHECK: [[LPAD]]:
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; CHECK-NEXT: call i8* @llvm.eh.exception()
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; CHECK-NEXT: call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* {{%.*}}, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*))
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