1; RUN: opt -passes=globalopt -S -o - < %s | FileCheck %s 2 3target 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" 4target triple = "x86_64-unknown-linux-gnu" 5 6declare ptr @llvm.invariant.start.p0(i64 %size, ptr nocapture %ptr) 7 8define void @test1(ptr %ptr) { 9 call ptr @llvm.invariant.start.p0(i64 4, ptr %ptr) 10 ret void 11} 12 13@object1 = global i32 0 14; CHECK: @object1 = constant i32 -1 15define void @ctor1() { 16 store i32 -1, ptr @object1 17 %A = bitcast ptr @object1 to ptr 18 call void @test1(ptr %A) 19 ret void 20} 21 22 23@object2 = global i32 0 24; CHECK: @object2 = global i32 0 25define void @ctor2() { 26 store i32 -1, ptr @object2 27 %A = bitcast ptr @object2 to ptr 28 %B = call ptr @llvm.invariant.start.p0(i64 4, ptr %A) 29 %C = bitcast ptr %B to ptr 30 ret void 31} 32 33 34@object3 = global i32 0 35; CHECK: @object3 = global i32 -1 36define void @ctor3() { 37 store i32 -1, ptr @object3 38 %A = bitcast ptr @object3 to ptr 39 call ptr @llvm.invariant.start.p0(i64 3, ptr %A) 40 ret void 41} 42 43 44@object4 = global i32 0 45; CHECK: @object4 = global i32 -1 46define void @ctor4() { 47 store i32 -1, ptr @object4 48 %A = bitcast ptr @object4 to ptr 49 call ptr @llvm.invariant.start.p0(i64 -1, ptr %A) 50 ret void 51} 52 53 54@llvm.global_ctors = appending constant 55 [4 x { i32, ptr, ptr }] 56 [ { i32, ptr, ptr } { i32 65535, ptr @ctor1, ptr null }, 57 { i32, ptr, ptr } { i32 65535, ptr @ctor2, ptr null }, 58 { i32, ptr, ptr } { i32 65535, ptr @ctor3, ptr null }, 59 { i32, ptr, ptr } { i32 65535, ptr @ctor4, ptr null } ] 60