[flang-commits] [flang] [flang] Fix flang tests on MacOS (PR #70811)

[Leandro Lupori via flang-commits]

https://github.com/luporl created https://github.com/llvm/llvm-project/pull/70811

Skip unsupported flang tests on MacOS.

Issues #70805 and #70807 were opened for the failing tests that
remain, as these reveal real problems with flang.


>From daf354d6653860a9bc17497b175b46f6b9481e6b Mon Sep 17 00:00:00 2001
From: Leandro Lupori <leandro.lupori at linaro.org>
Date: Tue, 31 Oct 2023 11:20:54 -0300
Subject: [PATCH] [flang] Fix flang tests on MacOS

Skip unsupported flang tests on MacOS.

Issues #70805 and #70807 were opened for the failing tests that
remain, as these reveal real problems with flang.
---
 flang/test/Driver/lto-flags.f90           | 3 ++-
 flang/test/Driver/save-mlir-temps.f90     | 3 ++-
 flang/test/Evaluate/fold-out_of_range.f90 | 2 +-
 flang/test/Runtime/no-cpp-dep.c           | 3 +++
 4 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/flang/test/Driver/lto-flags.f90 b/flang/test/Driver/lto-flags.f90
index da456b47ef4357e..b4819852fbc3616 100644
--- a/flang/test/Driver/lto-flags.f90
+++ b/flang/test/Driver/lto-flags.f90
@@ -10,7 +10,7 @@
 ! RUN: %flang -### -S -flto=jobserver %s 2>&1 | FileCheck %s --check-prefix=FULL-LTO
 
 ! Also check linker plugin opt for Thin LTO
-! RUN: %flang -### -flto=thin %s 2>&1 | FileCheck %s --check-prefix=THIN-LTO
+! RUN: %flang --target=x86_64-linux-gnu -### -flto=thin %s 2>&1 | FileCheck %s --check-prefix=THIN-LTO
 
 ! RUN: not %flang -### -S -flto=somelto %s 2>&1 | FileCheck %s --check-prefix=ERROR
 
@@ -28,6 +28,7 @@
 ! THIN-LTO: flang-new: warning: the option '-flto=thin' is a work in progress
 ! THIN-LTO: "-fc1"
 ! THIN-LTO-SAME: "-flto=thin"
+! NOTE: This check fails on MacOS.
 ! THIN-LTO: "-plugin-opt=thinlto"
 
 ! ERROR: error: unsupported argument 'somelto' to option '-flto=
diff --git a/flang/test/Driver/save-mlir-temps.f90 b/flang/test/Driver/save-mlir-temps.f90
index 8985271e27282e3..2eaadd051e58cc2 100644
--- a/flang/test/Driver/save-mlir-temps.f90
+++ b/flang/test/Driver/save-mlir-temps.f90
@@ -7,7 +7,8 @@
 ! As `flang` does not implement `-fc1as` (i.e. a driver for the integrated
 ! assembler), we need to use `-fno-integrated-as` here.
 
-! UNSUPPORTED: system-windows
+! This test fails on MacOS with the error "can't specifiy -Q with -arch arm64"
+! UNSUPPORTED: system-windows, system-darwin
 
 !--------------------------
 ! Invalid output directory
diff --git a/flang/test/Evaluate/fold-out_of_range.f90 b/flang/test/Evaluate/fold-out_of_range.f90
index fd1b1c286f2fb18..de66c803b103e19 100644
--- a/flang/test/Evaluate/fold-out_of_range.f90
+++ b/flang/test/Evaluate/fold-out_of_range.f90
@@ -1,5 +1,5 @@
 ! RUN: %python %S/test_folding.py %s %flang_fc1
-! UNSUPPORTED: target=powerpc{{.*}}, target=aarch{{.*}}, system-windows, system-solaris
+! UNSUPPORTED: target=powerpc{{.*}}, target=aarch{{.*}}, target=arm{{.*}}, system-windows, system-solaris
 ! Tests folding of OUT_OF_RANGE().
 module m
   integer(1),  parameter :: i1v(*)  = [ -huge(1_1)  - 1_1,  huge(1_1) ]
diff --git a/flang/test/Runtime/no-cpp-dep.c b/flang/test/Runtime/no-cpp-dep.c
index f8fe97b5bf78e24..7d1f05759623caa 100644
--- a/flang/test/Runtime/no-cpp-dep.c
+++ b/flang/test/Runtime/no-cpp-dep.c
@@ -5,6 +5,9 @@ a C compiler.
 
 REQUIRES: c-compiler
 
+MacOS doesn't have a separate libm.
+UNSUPPORTED: system-darwin
+
 RUN: %cc -std=c99 %s -I%include %libruntime %libdecimal -lm -o /dev/null
 */