| ; RUN: opt -passes=globalopt -S -o - < %s | FileCheck %s |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare {}* @llvm.invariant.start.p0i8(i64 %size, i8* nocapture %ptr) |
| |
| define void @test1(i8* %ptr) { |
| call {}* @llvm.invariant.start.p0i8(i64 4, i8* %ptr) |
| ret void |
| } |
| |
| @object1 = global i32 0 |
| ; CHECK: @object1 = constant i32 -1 |
| define void @ctor1() { |
| store i32 -1, i32* @object1 |
| %A = bitcast i32* @object1 to i8* |
| call void @test1(i8* %A) |
| ret void |
| } |
| |
| |
| @object2 = global i32 0 |
| ; CHECK: @object2 = global i32 0 |
| define void @ctor2() { |
| store i32 -1, i32* @object2 |
| %A = bitcast i32* @object2 to i8* |
| %B = call {}* @llvm.invariant.start.p0i8(i64 4, i8* %A) |
| %C = bitcast {}* %B to i8* |
| ret void |
| } |
| |
| |
| @object3 = global i32 0 |
| ; CHECK: @object3 = global i32 -1 |
| define void @ctor3() { |
| store i32 -1, i32* @object3 |
| %A = bitcast i32* @object3 to i8* |
| call {}* @llvm.invariant.start.p0i8(i64 3, i8* %A) |
| ret void |
| } |
| |
| |
| @object4 = global i32 0 |
| ; CHECK: @object4 = global i32 -1 |
| define void @ctor4() { |
| store i32 -1, i32* @object4 |
| %A = bitcast i32* @object4 to i8* |
| call {}* @llvm.invariant.start.p0i8(i64 -1, i8* %A) |
| ret void |
| } |
| |
| |
| @llvm.global_ctors = appending constant |
| [4 x { i32, void ()*, i8* }] |
| [ { i32, void ()*, i8* } { i32 65535, void ()* @ctor1, i8* null }, |
| { i32, void ()*, i8* } { i32 65535, void ()* @ctor2, i8* null }, |
| { i32, void ()*, i8* } { i32 65535, void ()* @ctor3, i8* null }, |
| { i32, void ()*, i8* } { i32 65535, void ()* @ctor4, i8* null } ] |