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The order of global variables is generated in the order of recursively materializing variables if the global variable has the attribute of hasLocalLinkage or hasLinkOnceLinkage during the module merging. In practice, it is often the exact reverse of source order. This new order may cause performance regression. The change is to preserve the original lexical order for global variables. Reviewed By: jdoerfert, dexonsmith Differential Revision: https://reviews.llvm.org/D94202
112 lines
2.5 KiB
LLVM
112 lines
2.5 KiB
LLVM
; RUN: llvm-link %s %S/Inputs/testlink.ll -S | FileCheck %s
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; CHECK: %Ty1 = type { %Ty2* }
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; CHECK: %Ty2 = type { %Ty1* }
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%Ty1 = type opaque
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%Ty2 = type { %Ty1* }
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; CHECK: %intlist = type { %intlist*, i32 }
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%intlist = type { %intlist*, i32 }
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; The uses of intlist in the other file should be remapped.
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; CHECK-NOT: {{%intlist.[0-9]}}
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; CHECK: %VecSize = type { <5 x i32> }
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; CHECK: %VecSize.{{[0-9]}} = type { <10 x i32> }
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%VecSize = type { <5 x i32> }
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%Struct1 = type opaque
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@S1GV = external global %Struct1*
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@GVTy1 = external global %Ty1*
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@GVTy2 = global %Ty2* null
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; This should stay the same
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; CHECK-DAG: @MyIntList = global %intlist { %intlist* null, i32 17 }
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@MyIntList = global %intlist { %intlist* null, i32 17 }
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; Nothing to link here.
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; CHECK-DAG: @0 = external global i32
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@0 = external global i32
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define i32* @use0() {
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ret i32* @0
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}
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; CHECK-DAG: @Inte = global i32 1
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@Inte = global i32 1
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; Intern1 is intern in both files, rename testlink2's.
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; CHECK-DAG: @Intern1 = internal constant i32 42
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@Intern1 = internal constant i32 42
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@UseIntern1 = global i32* @Intern1
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; This should get renamed since there is a definition that is non-internal in
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; the other module.
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; CHECK-DAG: @Intern2.{{[0-9]+}} = internal constant i32 792
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@Intern2 = internal constant i32 792
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@UseIntern2 = global i32* @Intern2
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; CHECK-DAG: @MyVarPtr = linkonce global { i32* } { i32* @MyVar }
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@MyVarPtr = linkonce global { i32* } { i32* @MyVar }
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@UseMyVarPtr = global { i32* }* @MyVarPtr
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; CHECK-DAG: @MyVar = global i32 4
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@MyVar = external global i32
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; Take value from other module.
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; CHECK-DAG: AConst = constant i32 1234
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@AConst = linkonce constant i32 123
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; Renamed version of Intern1.
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; CHECK-DAG: @Intern1.{{[0-9]+}} = internal constant i32 52
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; Globals linked from testlink2.
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; CHECK-DAG: @Intern2 = constant i32 12345
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; CHECK-DAG: @MyIntListPtr = constant
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; CHECK-DAG: @1 = constant i32 412
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declare i32 @foo(i32)
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declare void @print(i32)
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define void @main() {
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%v1 = load i32, i32* @MyVar
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call void @print(i32 %v1)
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%idx = getelementptr %intlist, %intlist* @MyIntList, i64 0, i32 1
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%v2 = load i32, i32* %idx
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call void @print(i32 %v2)
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%1 = call i32 @foo(i32 5)
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%v3 = load i32, i32* @MyVar
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call void @print(i32 %v3)
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%v4 = load i32, i32* %idx
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call void @print(i32 %v4)
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ret void
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}
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define internal void @testintern() {
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ret void
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}
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define internal void @Testintern() {
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ret void
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}
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define void @testIntern() {
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ret void
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}
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define void @VecSizeCrash(%VecSize) {
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ret void
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}
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