1; Do setup work for all below tests: generate bitcode and combined index 2; RUN: opt -module-summary %s -o %t.bc 3; RUN: opt -module-summary %p/Inputs/funcimport.ll -o %t2.bc 4; RUN: llvm-lto -thinlto-action=thinlink -o %t3.bc %t.bc %t2.bc 5 6; RUN: llvm-lto -thinlto-index-stats %t3.bc | FileCheck %s -check-prefix=STATS 7; STATS: Index {{.*}} contains 24 nodes (13 functions, 3 alias, 8 globals) and 19 edges (8 refs and 11 calls) 8 9; Ensure statics are promoted/renamed correctly from this file (all but 10; constant variable need promotion). 11; RUN: llvm-lto -thinlto-action=promote %t.bc -thinlto-index=%t3.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=EXPORTSTATIC 12; EXPORTSTATIC-DAG: @staticvar.llvm.0 = hidden global 13; Eventually @staticconstvar can be exported as a copy and not promoted 14; EXPORTSTATIC-DAG: @staticconstvar.llvm.0 = hidden unnamed_addr constant 15; EXPORTSTATIC-DAG: @P.llvm.0 = hidden global void ()* null 16; EXPORTSTATIC-DAG: define hidden i32 @staticfunc.llvm.0 17; EXPORTSTATIC-DAG: define hidden void @staticfunc2.llvm.0 18 19; Ensure that weak alias to an imported function is correctly turned into 20; a declaration. 21; Also ensures that alias to a linkonce function is turned into a declaration 22; and that the associated linkonce function is not in the output, as it is 23; lazily linked and never referenced/materialized. 24; RUN: llvm-lto -thinlto-action=import %t2.bc -thinlto-index=%t3.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=IMPORTGLOB1 25; IMPORTGLOB1-DAG: define available_externally void @globalfunc1 26; IMPORTGLOB1-DAG: declare void @weakalias 27; IMPORTGLOB1-NOT: @linkoncealias 28; IMPORTGLOB1-NOT: @linkoncefunc 29 30; A strong alias is imported as an available_externally copy of its aliasee. 31; IMPORTGLOB1-DAG: define available_externally void @analias 32; IMPORTGLOB1-NOT: declare void @globalfunc2 33 34; Verify that the optimizer run 35; RUN: llvm-lto -thinlto-action=optimize %t2.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=OPTIMIZED 36; OPTIMIZED: define i32 @main() 37 38; Verify that the codegen run 39; RUN: llvm-lto -thinlto-action=codegen %t2.bc -o - | llvm-nm -o - | FileCheck %s --check-prefix=CODEGEN 40; CODEGEN: T _main 41 42; Verify that all run together 43; RUN: llvm-lto -thinlto-action=run %t2.bc %t.bc 44; RUN: llvm-nm -o - < %t.bc.thinlto.o | FileCheck %s --check-prefix=ALL 45; RUN: llvm-nm -o - < %t2.bc.thinlto.o | FileCheck %s --check-prefix=ALL2 46; ALL: T _callfuncptr 47; ALL2: T _main 48 49target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 50target triple = "x86_64-apple-macosx10.11.0" 51 52@globalvar_in_section = global i32 1, align 4 53@globalvar = global i32 1, align 4 54@staticvar = internal global i32 1, align 4 55@staticvar2 = internal global i32 1, align 4 56@staticconstvar = internal unnamed_addr constant [2 x i32] [i32 10, i32 20], align 4 57@commonvar = common global i32 0, align 4 58@P = internal global void ()* null, align 8 59 60@weakalias = weak alias void (...), bitcast (void ()* @globalfunc1 to void (...)*) 61@analias = alias void (...), bitcast (void ()* @globalfunc2 to void (...)*) 62@linkoncealias = alias void (...), bitcast (void ()* @linkoncefunc to void (...)*) 63 64define void @globalfunc1() #0 { 65entry: 66 ret void 67} 68 69define void @globalfunc2() #0 { 70entry: 71 ret void 72} 73 74define linkonce_odr void @linkoncefunc() #0 { 75entry: 76 ret void 77} 78 79define i32 @referencestatics(i32 %i) #0 { 80entry: 81 %i.addr = alloca i32, align 4 82 store i32 %i, i32* %i.addr, align 4 83 %call = call i32 @staticfunc() 84 %0 = load i32, i32* @staticvar, align 4 85 %add = add nsw i32 %call, %0 86 %1 = load i32, i32* %i.addr, align 4 87 %idxprom = sext i32 %1 to i64 88 %arrayidx = getelementptr inbounds [2 x i32], [2 x i32]* @staticconstvar, i64 0, i64 %idxprom 89 %2 = load i32, i32* %arrayidx, align 4 90 %add1 = add nsw i32 %add, %2 91 ret i32 %add1 92} 93 94define i32 @referenceglobals(i32 %i) #0 { 95entry: 96 %i.addr = alloca i32, align 4 97 store i32 %i, i32* %i.addr, align 4 98 call void @globalfunc1() 99 %0 = load i32, i32* @globalvar, align 4 100 ret i32 %0 101} 102 103define i32 @referencecommon(i32 %i) #0 { 104entry: 105 %i.addr = alloca i32, align 4 106 store i32 %i, i32* %i.addr, align 4 107 %0 = load i32, i32* @commonvar, align 4 108 ret i32 %0 109} 110 111define void @setfuncptr() #0 { 112entry: 113 store void ()* @staticfunc2, void ()** @P, align 8 114 ret void 115} 116 117define void @callfuncptr() #0 { 118entry: 119 %0 = load void ()*, void ()** @P, align 8 120 call void %0() 121 ret void 122} 123 124@weakvar = weak global i32 1, align 4 125define weak void @weakfunc() #0 { 126entry: 127 ret void 128} 129 130define void @callweakfunc() #0 { 131entry: 132 call void @weakfunc() 133 ret void 134} 135 136define internal i32 @staticfunc() #0 { 137entry: 138 ret i32 1 139} 140 141define internal void @staticfunc2() #0 { 142entry: 143 %0 = load i32, i32* @staticvar2, align 4 144 ret void 145} 146