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[AIX] XFAIL CodeGen/Generic/externally_available.ll

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Globals with “available_externally” linkage should never be emitted into the
    object file corresponding to the LLVM module.

    However, AIX system assembler default print error for undefined reference .
    so AIX chose to emit the available externally symbols into .s,
    so that users won't run into errors in situations like:

    clang -target powerpc-ibm-aix -xc -<<<$'extern inline
    __attribute__((__gnu_inline__)) void foo() {}\nvoid bar() { foo(); }' -O
    -Xclang -disable-llvm-passes

Reviewed By: hubert.reinterpretcast

Differential Revision: https://reviews.llvm.org/D102377
This commit is contained in:
Jinsong Ji 2021-05-13 13:24:45 +00:00
parent 9d6d3a623d
commit 3d14997044
1 changed files with 6 additions and 0 deletions
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6
test/CodeGen/Generic/externally_available.ll
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@ -1,5 +1,11 @@
; RUN: llc -verify-machine-dom-info < %s | not grep test_
; XFAIL: aix
; AIX system assembler default print error for undefined reference .
; so AIX chose to emit the available externally symbols into .s,
; so that users won't run into errors in situations like:
; clang -target powerpc-ibm-aix -xc -<<<$'extern inline __attribute__((__gnu_inline__)) void foo() {}\nvoid bar() { foo(); }' -O -Xclang -disable-llvm-passes
; test_function should not be emitted to the .s file.
define available_externally i32 @test_function() {
ret i32 4