| ; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep malloc |
| |
| @G = internal global i32* null ; <i32**> [#uses=4] |
| |
| define void @init() { |
| %P = malloc i32, i32 100 ; <i32*> [#uses=1] |
| store i32* %P, i32** @G |
| %GV = load i32** @G ; <i32*> [#uses=1] |
| %GVe = getelementptr i32* %GV, i32 40 ; <i32*> [#uses=1] |
| store i32 20, i32* %GVe |
| ret void |
| } |
| |
| define i32 @get() { |
| %GV = load i32** @G ; <i32*> [#uses=1] |
| %GVe = getelementptr i32* %GV, i32 40 ; <i32*> [#uses=1] |
| %V = load i32* %GVe ; <i32> [#uses=1] |
| ret i32 %V |
| } |
| |
| define i1 @check() { |
| %GV = load i32** @G ; <i32*> [#uses=1] |
| %V = icmp eq i32* %GV, null ; <i1> [#uses=1] |
| ret i1 %V |
| } |
| |