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; Test -lto-freestanding option for LTOBackend 15 16; RUN: llvm-lto2 run -r %t.bc,_fprintf,px -r %t.bc,_hello_world,px -r %t.bc,_percent_s,px -r %t.bc,_foo,px %t.bc -o %t1.o 2>&1 17; RUN: llvm-nm %t1.o.0 | FileCheck %s --check-prefix=LTO 18 19; RUN: llvm-lto2 run -lto-freestanding -r %t.bc,_fprintf,px -r %t.bc,_hello_world,px -r %t.bc,_percent_s,px -r %t.bc,_foo,px %t.bc -o %t2.o 2>&1 20; RUN: llvm-nm %t2.o.0 | FileCheck %s --check-prefix=LTO-FREESTANDING 21 22; Test -lto-freestanding option for LTOBackend with custom pipeline. 23 24; RUN: llvm-lto2 run -opt-pipeline='default<O3>' -r %t.bc,_fprintf,px -r %t.bc,_hello_world,px -r %t.bc,_percent_s,px -r %t.bc,_foo,px %t.bc -o %t1.o 2>&1 25; RUN: llvm-nm %t1.o.0 | FileCheck %s --check-prefix=LTO 26 27; RUN: llvm-lto2 run -opt-pipeline='default<O3>' -lto-freestanding -r %t.bc,_fprintf,px -r %t.bc,_hello_world,px -r %t.bc,_percent_s,px -r %t.bc,_foo,px %t.bc -o %t2.o 2>&1 28; RUN: llvm-nm %t2.o.0 | FileCheck %s --check-prefix=LTO-FREESTANDING 29 30 31target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 32target triple = "x86_64-apple-macosx10.11.0" 33 34declare i32 @fprintf(ptr, ptr, ...) 35 36%FILE = type { } 37 38@hello_world = constant [13 x i8] c"hello world\0A\00" 39@percent_s = constant [3 x i8] c"%s\00" 40 41; Check fprintf(fp, "%s", str) -> fwrite(str, fp) only when builtins are enabled 42 43define void @foo(ptr %fp) { 44 call i32 (ptr, ptr, ...) @fprintf(ptr %fp, ptr @percent_s, ptr @hello_world) 45 ret void 46} 47