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cc271861da
sections of memory objects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83953 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
; RUN: llvm-as -disable-output < %s
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%"struct.std::pair<int,int>" = type { i32, i32 }
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declare void @_Z3barRKi(i32*)
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declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind
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declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind
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declare {}* @llvm.invariant.start(i64, i8* nocapture) readonly nounwind
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declare void @llvm.invariant.end({}*, i64, i8* nocapture) nounwind
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define i32 @_Z4foo2v() nounwind {
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entry:
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%x = alloca %"struct.std::pair<int,int>"
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%y = bitcast %"struct.std::pair<int,int>"* %x to i8*
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;; Constructor starts here (this isn't needed since it is immediately
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;; preceded by an alloca, but shown for completeness).
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call void @llvm.lifetime.start(i64 8, i8* %y)
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%0 = getelementptr %"struct.std::pair<int,int>"* %x, i32 0, i32 0
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store i32 4, i32* %0, align 8
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%1 = getelementptr %"struct.std::pair<int,int>"* %x, i32 0, i32 1
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store i32 5, i32* %1, align 4
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;; Constructor has finished here.
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%inv = call {}* @llvm.invariant.start(i64 8, i8* %y)
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call void @_Z3barRKi(i32* %0) nounwind
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%2 = load i32* %0, align 8
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;; Destructor is run here.
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call void @llvm.invariant.end({}* %inv, i64 8, i8* %y)
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;; Destructor is done here.
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call void @llvm.lifetime.end(i64 8, i8* %y)
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ret i32 %2
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}
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