1; Test -lto-freestanding option for libLTO. 2; RUN: llvm-as < %s > %t.bc 3 4; Regular run: expects fprintf to be turned into fwrite 5; RUN: llvm-lto %t.bc -exported-symbol=_foo -o %t.o 6; RUN: llvm-nm %t.o | FileCheck %s --check-prefix=LTO 7; LTO: fwrite 8 9; Freestanding run: expects fprintf to NOT be turned into fwrite 10; RUN: llvm-lto %t.bc -lto-freestanding -exported-symbol=_foo -o %t.o 11; RUN: llvm-nm %t.o | FileCheck %s --check-prefix=LTO-FREESTANDING 12; LTO-FREESTANDING: fprintf 13 14; Same with ThinLTO now. 15; RUN: opt -module-hash -module-summary %s -o %t.bc 16 17; Regular run: expects fprintf to be turned into fwrite 18; RUN: llvm-lto -exported-symbol=_foo -thinlto-action=run %t.bc 19; RUN: llvm-nm %t.bc.thinlto.o | FileCheck %s --check-prefix=ThinLTO 20; ThinLTO: fwrite 21 22; Freestanding run: expects fprintf to NOT be turned into fwrite 23; RUN: llvm-lto -lto-freestanding -exported-symbol=_foo -thinlto-action=run %t.bc 24; RUN: llvm-nm %t.bc.thinlto.o | FileCheck %s --check-prefix=ThinLTO-FREESTANDING 25; ThinLTO-FREESTANDING: fprintf 26 27 28target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 29target triple = "x86_64-apple-macosx10.11.0" 30 31declare i32 @fprintf(%FILE*, i8*, ...) 32 33%FILE = type { } 34 35@hello_world = constant [13 x i8] c"hello world\0A\00" 36@percent_s = constant [3 x i8] c"%s\00" 37 38; Check fprintf(fp, "%s", str) -> fwrite(str, fp) only when builtins are enabled 39 40define void @foo(%FILE* %fp) { 41 %fmt = getelementptr [3 x i8], [3 x i8]* @percent_s, i32 0, i32 0 42 %str = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0 43 call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt, i8* %str) 44 ret void 45} 46 47