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