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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
566 B
LLVM
18 lines
566 B
LLVM
; Make sure that functions are removed successfully if they are referred to by
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; a global that is dead. Make sure any globals they refer to die as well.
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; RUN: llvm-as < %s | opt -globaldce | llvm-dis | not grep foo
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;; Unused, kills %foo
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@b = internal global i32 ()* @foo ; <i32 ()**> [#uses=0]
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;; Should die when function %foo is killed
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@foo.upgrd.1 = internal global i32 7 ; <i32*> [#uses=1]
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;; dies when %b dies.
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define internal i32 @foo() {
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%ret = load i32* @foo.upgrd.1 ; <i32> [#uses=1]
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ret i32 %ret
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}
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