forked from OSchip/llvm-project
47 lines
1.6 KiB
LLVM
47 lines
1.6 KiB
LLVM
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; Test -lto-freestanding option for libLTO.
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; RUN: llvm-as < %s > %t.bc
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; Regular run: expects fprintf to be turned into fwrite
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; RUN: llvm-lto %t.bc -exported-symbol=_foo -o %t.o
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; RUN: llvm-nm %t.o | FileCheck %s --check-prefix=LTO
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; LTO: fwrite
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; Freestanding run: expects fprintf to NOT be turned into fwrite
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; RUN: llvm-lto %t.bc -lto-freestanding -exported-symbol=_foo -o %t.o
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; RUN: llvm-nm %t.o | FileCheck %s --check-prefix=LTO-FREESTANDING
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; LTO-FREESTANDING: fprintf
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; Same with ThinLTO now.
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; RUN: opt -module-hash -module-summary %s -o %t.bc
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; Regular run: expects fprintf to be turned into fwrite
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; RUN: llvm-lto -exported-symbol=_foo -thinlto-action=run %t.bc
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; RUN: llvm-nm %t.bc.thinlto.o | FileCheck %s --check-prefix=ThinLTO
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; ThinLTO: fwrite
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; Freestanding run: expects fprintf to NOT be turned into fwrite
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; RUN: llvm-lto -lto-freestanding -exported-symbol=_foo -thinlto-action=run %t.bc
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; RUN: llvm-nm %t.bc.thinlto.o | FileCheck %s --check-prefix=ThinLTO-FREESTANDING
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; ThinLTO-FREESTANDING: fprintf
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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declare i32 @fprintf(%FILE*, i8*, ...)
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%FILE = type { }
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@hello_world = constant [13 x i8] c"hello world\0A\00"
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@percent_s = constant [3 x i8] c"%s\00"
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; Check fprintf(fp, "%s", str) -> fwrite(str, fp) only when builtins are enabled
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define void @foo(%FILE* %fp) {
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%fmt = getelementptr [3 x i8], [3 x i8]* @percent_s, i32 0, i32 0
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%str = getelementptr [13 x i8], [13 x i8]* @hello_world, i32 0, i32 0
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call i32 (%FILE*, i8*, ...) @fprintf(%FILE* %fp, i8* %fmt, i8* %str)
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ret void
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}
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