forked from OSchip/llvm-project
38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
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; RUN: opt -mtriple=i686-unknown-windows-msvc -objc-arc-contract -S -o - %s | FileCheck %s
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declare void @f()
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declare i32 @__CxxFrameHandler3(...)
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declare dllimport i8* @llvm.objc.retain(i8*)
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declare dllimport i8* @llvm.objc.retainAutoreleasedReturnValue(i8*)
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declare dllimport void @llvm.objc.release(i8*)
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@x = external global i8*
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define void @g(i8* %p) personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
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invoke void @f() to label %invoke.cont unwind label %ehcleanup
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invoke.cont:
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%call = tail call i8* @llvm.objc.retain(i8* %p) nounwind
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%tmp = load i8*, i8** @x, align 4
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store i8* %call, i8** @x, align 4
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tail call void @llvm.objc.release(i8* %tmp) nounwind
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ret void
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ehcleanup:
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%1 = cleanuppad within none []
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%call1 = tail call i8* @llvm.objc.retain(i8* %p) nounwind [ "funclet"(token %1) ]
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%tmp1 = load i8*, i8** @x, align 4
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store i8* %call1, i8** @x, align 4
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tail call void @llvm.objc.release(i8* %tmp1) nounwind [ "funclet"(token %1) ]
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cleanupret from %1 unwind to caller
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}
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; CHECK-LABEL: invoke.cont:
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; CHECK: tail call void @llvm.objc.storeStrong(i8** @x, i8* %p) #0{{$}}
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; CHECK: ret void
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; CHECK-LABEL: ehcleanup:
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; CHECK: %1 = cleanuppad within none []
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; CHECK: tail call void @llvm.objc.storeStrong(i8** @x, i8* %p) #0 [ "funclet"(token %1) ]
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; CHECK: cleanupret from %1 unwind to caller
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