llvm-6502/test/Transforms/SCCP/ipsccp-gvar.ll

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; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | not grep global
@G = internal global i32 undef ; <i32*> [#uses=5]
define void @foo() {
%X = load i32* @G ; <i32> [#uses=1]
store i32 %X, i32* @G
ret void
}
define i32 @bar() {
%V = load i32* @G ; <i32> [#uses=2]
%C = icmp eq i32 %V, 17 ; <i1> [#uses=1]
br i1 %C, label %T, label %F
T: ; preds = %0
store i32 17, i32* @G
ret i32 %V
F: ; preds = %0
store i32 123, i32* @G
ret i32 0
}