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Imported Upstream version 5.18.0.167
Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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; This test lets globalopt split the global struct and array into different
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; values. The pass needs to preserve section attribute.
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; RUN: opt < %s -globalopt -S | FileCheck %s
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; Check that the new global values still have their section assignment.
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; CHECK: @struct
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; CHECK: section ".foo"
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; CHECK: @array
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; CHECK-NOT: section ".foo"
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@struct = internal global { i32, i32 } zeroinitializer, section ".foo"
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@array = internal global [ 2 x i32 ] zeroinitializer
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define i32 @foo() {
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%A = load i32, i32* getelementptr ({ i32, i32 }, { i32, i32 }* @struct, i32 0, i32 0)
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%B = load i32, i32* getelementptr ([ 2 x i32 ], [ 2 x i32 ]* @array, i32 0, i32 0)
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; Use the loaded values, so they won't get removed completely
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%R = add i32 %A, %B
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ret i32 %R
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}
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; We put stores in a different function, so that the global variables won't get
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; optimized away completely.
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define void @bar(i32 %R) {
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store i32 %R, i32* getelementptr ([ 2 x i32 ], [ 2 x i32 ]* @array, i32 0, i32 0)
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store i32 %R, i32* getelementptr ({ i32, i32 }, { i32, i32 }* @struct, i32 0, i32 0)
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ret void
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}
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