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https://github.com/Gericom/teak-llvm.git
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62f6462bf9
This matches the output of binutils' nm and ensures that any scripts or tools that use nm and expect empty output in case there no symbols don't break. Differential Revision: https://reviews.llvm.org/D52943 llvm-svn: 343887
63 lines
3.0 KiB
LLVM
63 lines
3.0 KiB
LLVM
; shell required since the windows bot does not like the "(cd ..."
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; REQUIRES: x86-registered-target, shell
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; RUN: opt -module-summary -o %t1.o %s
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; RUN: opt -module-summary -o %t2.o %S/Inputs/thinlto_backend.ll
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; RUN: llvm-lto -thinlto -o %t %t1.o %t2.o
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; Ensure clang -cc1 give expected error for incorrect input type
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; RUN: not %clang_cc1 -O2 -o %t1.o -x c %s -c -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-WARNING
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; CHECK-WARNING: error: invalid argument '-fthinlto-index={{.*}}' only allowed with '-x ir'
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; Ensure we get expected error for missing index file
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; RUN: %clang -O2 -o %t4.o -x ir %t1.o -c -fthinlto-index=bad.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-ERROR1
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; CHECK-ERROR1: Error loading index file 'bad.thinlto.bc'
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; Ensure we ignore empty index file, and run non-ThinLTO compilation which
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; would not import f2
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; RUN: touch %t4.thinlto.bc
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; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t4.o -x ir %t1.o -c -fthinlto-index=%t4.thinlto.bc
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; RUN: llvm-nm %t4.o | FileCheck --check-prefix=CHECK-OBJ-IGNORE-EMPTY %s
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; CHECK-OBJ-IGNORE-EMPTY: T f1
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; CHECK-OBJ-IGNORE-EMPTY: U f2
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; Ensure we don't fail with index and non-ThinLTO object file, and output must
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; be empty file.
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; RUN: opt -o %t5.o %s
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; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t4.o -x ir %t5.o -c -fthinlto-index=%t.thinlto.bc
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; RUN: llvm-nm %t4.o 2>&1 | FileCheck %s -check-prefix=NO-SYMBOLS
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; NO-SYMBOLS: no symbols
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; Ensure f2 was imported. Check for all 3 flavors of -save-temps[=cwd|obj].
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; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc -save-temps=obj
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; RUN: llvm-dis %t1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s
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; RUN: mkdir -p %T/dir1
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; RUN: (cd %T/dir1 && %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc -save-temps=cwd)
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; RUN: llvm-dis %T/dir1/*1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s
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; RUN: mkdir -p %T/dir2
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; RUN: (cd %T/dir2 && %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc -save-temps)
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; RUN: llvm-dis %T/dir2/*1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s
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; CHECK-IMPORT: define available_externally void @f2()
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; RUN: llvm-nm %t3.o | FileCheck --check-prefix=CHECK-OBJ %s
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; CHECK-OBJ: T f1
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; CHECK-OBJ-NOT: U f2
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; Ensure we get expected error for input files without summaries
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; RUN: opt -o %t2.o %s
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; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-ERROR2
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; CHECK-ERROR2: Error loading imported file '{{.*}}': Could not find module summary
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @f2()
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declare i8* @f3()
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define void @f1() {
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call void @f2()
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; Make sure that the backend can handle undefined references.
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; Do an indirect call so that the undefined ref shows up in the combined index.
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call void bitcast (i8*()* @f3 to void()*)()
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ret void
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}
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