60 lines
1.8 KiB
LLVM
60 lines
1.8 KiB
LLVM
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; RUN: opt -passes=globalopt %s -S -o - | FileCheck %s
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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-unknown-linux-gnu"
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%struct.A = type { %class.Wrapper }
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%class.Wrapper = type { i32 }
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$Wrapper = comdat any
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@kA = internal global %struct.A zeroinitializer, align 4
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; CHECK: @kA = internal unnamed_addr constant %struct.A { %class.Wrapper { i32 1036831949 } }, align 4
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@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } {
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i32 65535, ptr @_GLOBAL__sub_I_const_static.cc, ptr null }]
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define dso_local i32 @AsBits(ptr %x) #0 {
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entry:
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%0 = load i32, ptr %x, align 4
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ret i32 %0
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}
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define internal void @__cxx_global_var_init() #1 section ".text.startup" {
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entry:
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call void @Wrapper(ptr @kA, float 0x3FB99999A0000000)
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%0 = call ptr @llvm.invariant.start.p0(i64 4, ptr @kA)
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ret void
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}
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define linkonce_odr dso_local void @Wrapper(ptr %this, float %x) unnamed_addr #0 comdat align 2 {
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entry:
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%x.addr = alloca float, align 4
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store float %x, ptr %x.addr, align 4
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%call = call i32 @AsBits(ptr %x.addr)
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store i32 %call, ptr %this, align 4
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ret void
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}
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declare ptr @llvm.invariant.start.p0(i64, ptr nocapture) #2
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; Function Attrs: nounwind uwtable
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define dso_local void @LoadIt(ptr %c) #0 {
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entry:
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call void @llvm.memcpy.p0.p0.i64(ptr align 4 %c, ptr align 4 @kA, i64 4, i1 false)
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ret void
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #2
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; Function Attrs: uwtable
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define internal void @_GLOBAL__sub_I_const_static.cc() #1 section ".text.startup" {
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entry:
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call void @__cxx_global_var_init()
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ret void
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}
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attributes #0 = { nounwind uwtable "target-cpu"="x86-64" }
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attributes #1 = { uwtable "target-cpu"="x86-64" }
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attributes #2 = { argmemonly nounwind }
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