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29 lines
1007 B
LLVM
29 lines
1007 B
LLVM
; RUN: opt < %s -globalopt -globaldce -S | not grep malloc
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i686-apple-darwin8"
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@G = internal global i32* null ; <i32**> [#uses=4]
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define void @init() {
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%P = malloc i32, i32 100 ; <i32*> [#uses=1]
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store i32* %P, i32** @G
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%GV = load i32** @G ; <i32*> [#uses=1]
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%GVe = getelementptr i32* %GV, i32 40 ; <i32*> [#uses=1]
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store i32 20, i32* %GVe
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ret void
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}
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define i32 @get() {
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%GV = load i32** @G ; <i32*> [#uses=1]
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%GVe = getelementptr i32* %GV, i32 40 ; <i32*> [#uses=1]
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%V = load i32* %GVe ; <i32> [#uses=1]
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ret i32 %V
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}
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define i1 @check() {
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%GV = load i32** @G ; <i32*> [#uses=1]
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%V = icmp eq i32* %GV, null ; <i1> [#uses=1]
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ret i1 %V
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}
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