| ; RUN: opt -passes=globalopt %s -S -o - | FileCheck %s |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %struct.A = type { %class.Wrapper } |
| %class.Wrapper = type { i32 } |
| |
| $Wrapper = comdat any |
| |
| @kA = internal global %struct.A zeroinitializer, align 4 |
| ; CHECK: @kA = internal unnamed_addr constant %struct.A { %class.Wrapper { i32 1036831949 } }, align 4 |
| |
| @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { |
| i32 65535, void ()* @_GLOBAL__sub_I_const_static.cc, i8* null }] |
| |
| define dso_local i32 @AsBits(float* %x) #0 { |
| entry: |
| %0 = bitcast float* %x to i32* |
| %1 = load i32, i32* %0, align 4 |
| ret i32 %1 |
| } |
| |
| define internal void @__cxx_global_var_init() #1 section ".text.startup" { |
| entry: |
| call void @Wrapper(%class.Wrapper* getelementptr inbounds (%struct.A, %struct.A* @kA, i32 0, i32 0), float 0x3FB99999A0000000) |
| %0 = call {}* @llvm.invariant.start.p0i8(i64 4, i8* bitcast (%struct.A* @kA to i8*)) |
| ret void |
| } |
| |
| define linkonce_odr dso_local void @Wrapper(%class.Wrapper* %this, float %x) unnamed_addr #0 comdat align 2 { |
| entry: |
| %x.addr = alloca float, align 4 |
| store float %x, float* %x.addr, align 4 |
| %store_ = getelementptr inbounds %class.Wrapper, %class.Wrapper* %this, i32 0, i32 0 |
| %call = call i32 @AsBits(float* %x.addr) |
| store i32 %call, i32* %store_, align 4 |
| ret void |
| } |
| |
| declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) #2 |
| |
| ; Function Attrs: nounwind uwtable |
| define dso_local void @LoadIt(%struct.A* %c) #0 { |
| entry: |
| %0 = bitcast %struct.A* %c to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 bitcast (%struct.A* @kA to i8*), i64 4, i1 false) |
| ret void |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #2 |
| |
| ; Function Attrs: uwtable |
| define internal void @_GLOBAL__sub_I_const_static.cc() #1 section ".text.startup" { |
| entry: |
| call void @__cxx_global_var_init() |
| ret void |
| } |
| |
| attributes #0 = { nounwind uwtable "target-cpu"="x86-64" } |
| attributes #1 = { uwtable "target-cpu"="x86-64" } |
| attributes #2 = { argmemonly nounwind } |