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; Test that PHI nodes and select instructions do not necessarily make stuff
; non-constant.
; RUN: opt < %s -passes=globalopt -S | FileCheck %s
; CHECK-NOT: global
@X = internal global i32 4 ; <ptr> [#uses=2]
@Y = internal global i32 5 ; <ptr> [#uses=2]
define i32 @test1(i1 %C) {
%P = select i1 %C, ptr @X, ptr @Y ; <ptr> [#uses=1]
%V = load i32, ptr %P ; <i32> [#uses=1]
ret i32 %V
}
define i32 @test2(i1 %C) {
; <label>:0
br i1 %C, label %T, label %Cont
T: ; preds = %0
br label %Cont
Cont: ; preds = %T, %0
%P = phi ptr [ @X, %0 ], [ @Y, %T ] ; <ptr> [#uses=1]
%V = load i32, ptr %P ; <i32> [#uses=1]
ret i32 %V
}
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