29 lines
967 B
LLVM
29 lines
967 B
LLVM
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; RUN: opt -passes=globalopt,instcombine %s -S -o - | FileCheck %s
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; Static constructor should have been optimized out
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; CHECK: i32 @main
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; CHECK-NEXT: ret i32 69905
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; CHECK-NOT: _GLOBAL__sub_I_main.cpp
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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%struct.S = type { ptr }
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%struct.A = type { i64, i64 }
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@s = internal local_unnamed_addr global %struct.S zeroinitializer, align 8
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@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_main.cpp, ptr null }]
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@gA = available_externally dso_local local_unnamed_addr global ptr inttoptr (i64 69905 to ptr), align 8
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define dso_local i32 @main() local_unnamed_addr {
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%1 = load i64, ptr @s, align 8
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%2 = trunc i64 %1 to i32
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ret i32 %2
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}
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define internal void @_GLOBAL__sub_I_main.cpp() section ".text.startup" {
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%1 = load i64, ptr @gA, align 8
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store i64 %1, ptr @s, align 8
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ret void
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}
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