llvm-project/clang/test/Driver/aix-data-sections.c
Fangrui Song cb1654ee4b [Driver][test] Clean up some AIX tests
* For `-###`, `-o %t.o` is unnecessary if we don't specifically test the
  output filename.
* --target= is the canonical spelling. -target is a legacy spelling which
  unfortunately cannot be removed because there are too many uses.
* -no-canonical-prefixes uses the dereferenced absolute path for the cc1
  command. For most tests "-cc1" is sufficient to identify the command line, no
  need to specifically test the "clang" command, and -no-canonical-prefixes can
  removed.
* --unwindlib= is the preferred spelling. -u is a short option taking a value,
  which means a -uwindlib= typo cannot be detected.

I recommend that you take a look at linux-cross.cpp. Testing include paths and
library paths in one RUN line is sometimes more readable than having separate
include/library tests.

Having separate RUN lines for misc features like -fdata-sections
(`aix-data-sections.c`) is wasteful. It may be better testing multiple
options in a single RUN command.

Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D119309
2022-02-26 01:06:24 +00:00

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276 B
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// Verify -fdata-sections is the default for AIX
// RUN: %clang -### --target=powerpc-ibm-aix7.1.0.0 %s -c -o %t.o 2>&1 \
// RUN: | FileCheck %s
// RUN: %clang -### --target=powerpc64-ibm-aix7.1.0.0 %s -c -o %t.o 2>&1 \
// RUN: | FileCheck %s
// CHECK: "-fdata-sections"