diff --git a/llvm/test/LTO/X86/tli-nobuiltin.ll b/llvm/test/LTO/X86/tli-nobuiltin.ll new file mode 100644 index 000000000000..4f6b3ef63f48 --- /dev/null +++ b/llvm/test/LTO/X86/tli-nobuiltin.ll @@ -0,0 +1,31 @@ +; Test -lto-freestanding option for libLTO. +; RUN: llvm-as < %s > %t.bc + +; Regular run: expects fprintf to be turned into fwrite +; RUN: llvm-lto %t.bc -exported-symbol=_foo -o %t.o +; RUN: llvm-nm %t.o | FileCheck %s --check-prefix=LTO +; LTO: fwrite + +; Freestanding run: expects fprintf to NOT be turned into fwrite +; RUN: llvm-lto %t.bc -lto-freestanding -exported-symbol=_foo -o %t.o +; RUN: llvm-nm %t.o | FileCheck %s --check-prefix=LTO-FREESTANDING +; LTO-FREESTANDING: fprintf + +target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.11.0" + +declare i32 @fprintf(%FILE*, i8*, ...) + +%FILE = type { } + +@hello_world = constant [13 x i8] c"hello world\0A\00" +@percent_s = constant [3 x i8] c"%s\00" + +; Check fprintf(fp, "%s", str) -> fwrite(str, fp) only when builtins are enabled + +define void @foo(%FILE* %fp) { + %fmt = getelementptr [3 x i8], [3 x i8]* @percent_s, i32 0, i32 0 + %str = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0 + call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt, i8* %str) + ret void +}