47 lines
2.0 KiB
LLVM
47 lines
2.0 KiB
LLVM
; REQUIRES: x86-registered-target
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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 f2 was imported
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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
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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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