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e74c64e05a
This is to prepare to allow for dead stripping of globals in the merged modules. Differential Revision: https://reviews.llvm.org/D33921 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305027 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.9 KiB
LLVM
56 lines
1.9 KiB
LLVM
; Generate bitcode files with summary, as well as minimized bitcode without
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; the debug metadata for the thin link.
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; RUN: opt -thinlto-bc -thin-link-bitcode-file=%t2 -o %t %s
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; RUN: llvm-modextract -b -n 0 -o %t0.bc %t
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; RUN: llvm-modextract -b -n 1 -o %t1.bc %t
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; RUN: llvm-modextract -b -n 0 -o %t0.thinlink.bc %t2
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; RUN: llvm-modextract -b -n 1 -o %t1.thinlink.bc %t2
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; RUN: not llvm-modextract -b -n 2 -o - %t 2>&1 | FileCheck --check-prefix=ERROR %s
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; RUN: llvm-dis -o - %t0.bc | FileCheck --check-prefix=M0 %s
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; RUN: llvm-dis -o - %t1.bc | FileCheck --check-prefix=M1 %s
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; RUN: llvm-dis -o - %t0.thinlink.bc | FileCheck --check-prefix=NODEBUG %s
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; RUN: llvm-dis -o - %t1.thinlink.bc | FileCheck --check-prefix=NODEBUG %s
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; RUN: llvm-bcanalyzer -dump %t0.bc | FileCheck --check-prefix=BCA0 %s
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; RUN: llvm-bcanalyzer -dump %t1.bc | FileCheck --check-prefix=BCA1 %s
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; Make sure the combined index files produced by both the normal and the
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; thin link bitcode files are identical
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; RUN: llvm-lto -thinlto -o %t3 %t0.bc
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; Copy the minimized bitcode to the regular bitcode path so the module
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; paths in the index are the same.
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; RUN: cp %t0.thinlink.bc %t0.bc
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; RUN: llvm-lto -thinlto -o %t4 %t0.bc
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; RUN: diff %t3.thinlto.bc %t4.thinlto.bc
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; ERROR: llvm-modextract: error: module index out of range; bitcode file contains 2 module(s)
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; BCA0: <GLOBALVAL_SUMMARY_BLOCK
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; BCA1: <FULL_LTO_GLOBALVAL_SUMMARY_BLOCK
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; 16 = not eligible to import
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; BCA1: <PERMODULE_GLOBALVAR_INIT_REFS {{.*}} op1=16
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; BCA1-NOT: <GLOBALVAL_SUMMARY_BLOCK
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$g = comdat any
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; M0: @g = external global i8{{$}}
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; M1: @g = global i8 42, comdat, !type !0
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@g = global i8 42, comdat, !type !0
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; M0: define i8* @f()
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; M1-NOT: @f()
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define i8* @f() {
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ret i8* @g
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}
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; M1: !0 = !{i32 0, !"typeid"}
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!0 = !{i32 0, !"typeid"}
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; M0: !llvm.dbg.cu
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; M1-NOT: !llvm.dbg.cu
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; NODEBUG-NOT: !llvm.dbg.cu
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!llvm.dbg.cu = !{}
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; M1: !{i32 1, !"ThinLTO", i32 0}
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!1 = !{i32 2, !"Debug Info Version", i32 3}
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!llvm.module.flags = !{!1}
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