19 lines
570 B
LLVM
19 lines
570 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: opt < %s -globaldce -S | FileCheck %s
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; CHECK-NOT: 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, i32* @foo.upgrd.1 ; <i32> [#uses=1]
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ret i32 %ret
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}
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