From ba62513682b61f3eadb1ec82c7aa0beee6d58836 Mon Sep 17 00:00:00 2001
From: Robert Konicar <robert.konicar@trailofbits.com>
Date: Thu, 1 Aug 2024 13:15:10 +0200
Subject: [PATCH] test: Enable objectfile tests only when %cc is set to clang.

---
 test/lit.cfg.py                                            | 3 +++
 test/vast/Compile/ObjectFiles/call-struct-float-a.c        | 1 +
 test/vast/Compile/ObjectFiles/call-struct-float-b.c        | 1 +
 test/vast/Compile/ObjectFiles/float-a.c                    | 1 +
 test/vast/Compile/ObjectFiles/identity-a.c                 | 1 +
 test/vast/Compile/ObjectFiles/struct-a.c                   | 1 +
 test/vast/Compile/ObjectFiles/struct-b.c                   | 1 +
 test/vast/Compile/ObjectFiles/void-return-a.c              | 1 +
 test/vast/Compile/ObjectFiles/x86_64/call-array-a.c        | 1 +
 test/vast/Compile/ObjectFiles/x86_64/call-array-b.c        | 1 +
 test/vast/Compile/ObjectFiles/x86_64/call-array-c.c        | 1 +
 test/vast/Compile/ObjectFiles/x86_64/call-array-d.c        | 1 +
 test/vast/Compile/ObjectFiles/x86_64/one-element-array-a.c | 1 +
 test/vast/Compile/ObjectFiles/x86_64/one-element-array-b.c | 1 +
 14 files changed, 16 insertions(+)

diff --git a/test/lit.cfg.py b/test/lit.cfg.py
index ed95e25ebc..96758a441a 100644
--- a/test/lit.cfg.py
+++ b/test/lit.cfg.py
@@ -143,6 +143,9 @@
         tool.command = os.path.join(*path, tool.command)
     llvm_config.add_tool_substitutions([tool])
 
+if config.host_cc.find('clang') != -1:
+    config.available_features.add("clang")
+
 stdbit_test = subprocess.run(["cc", "-x", "c", "-", "-o", "/dev/null"],
                              input=b'#include <stdbit.h>\n int main() {}',
                              capture_output=True)
diff --git a/test/vast/Compile/ObjectFiles/call-struct-float-a.c b/test/vast/Compile/ObjectFiles/call-struct-float-a.c
index fd5493c500..7eda57a09a 100644
--- a/test/vast/Compile/ObjectFiles/call-struct-float-a.c
+++ b/test/vast/Compile/ObjectFiles/call-struct-float-a.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -c -vast-pipeline=with-abi -o %t.vast.o %s && %cc -c -xc %s.driver -o %t.clang.o  && %cc %t.vast.o %t.clang.o -o %t && %t | %file-check %s.driver
+// REQUIRES: clang
 
 struct d_data
 {
diff --git a/test/vast/Compile/ObjectFiles/call-struct-float-b.c b/test/vast/Compile/ObjectFiles/call-struct-float-b.c
index afb94520ba..898726e3e3 100644
--- a/test/vast/Compile/ObjectFiles/call-struct-float-b.c
+++ b/test/vast/Compile/ObjectFiles/call-struct-float-b.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -c -vast-pipeline=with-abi -o %t.vast.o %s && %cc -c -xc %s.driver -o %t.clang.o  && %cc %t.vast.o %t.clang.o -o %t && %t | %file-check %s.driver
+// REQUIRES: clang
 
 struct wrap
 {
diff --git a/test/vast/Compile/ObjectFiles/float-a.c b/test/vast/Compile/ObjectFiles/float-a.c
index 2170e81c47..489d895b44 100644
--- a/test/vast/Compile/ObjectFiles/float-a.c
+++ b/test/vast/Compile/ObjectFiles/float-a.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -c -vast-pipeline=with-abi -o %t.vast.o %s && %cc -c -xc %s.driver -o %t.clang.o  && %cc %t.vast.o %t.clang.o -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 float float_sum(float a, float b)
 {
diff --git a/test/vast/Compile/ObjectFiles/identity-a.c b/test/vast/Compile/ObjectFiles/identity-a.c
index fd394ce58c..35fc6f9494 100644
--- a/test/vast/Compile/ObjectFiles/identity-a.c
+++ b/test/vast/Compile/ObjectFiles/identity-a.c
@@ -1,3 +1,4 @@
 // RUN: %vast-front -c -vast-pipeline=with-abi -o %t.vast.o %s && %cc -c -xc %s.driver -o %t.clang.o  && %cc %t.vast.o %t.clang.o -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 int identity(int a) { return a; }
diff --git a/test/vast/Compile/ObjectFiles/struct-a.c b/test/vast/Compile/ObjectFiles/struct-a.c
index ed6215bb51..c167a40c05 100644
--- a/test/vast/Compile/ObjectFiles/struct-a.c
+++ b/test/vast/Compile/ObjectFiles/struct-a.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -c -vast-pipeline=with-abi -o %t.vast.o %s && %cc -c -xc %s.driver -o %t.clang.o  && %cc %t.vast.o %t.clang.o -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 struct Data
 {
diff --git a/test/vast/Compile/ObjectFiles/struct-b.c b/test/vast/Compile/ObjectFiles/struct-b.c
index 071997b774..6c2d1de541 100644
--- a/test/vast/Compile/ObjectFiles/struct-b.c
+++ b/test/vast/Compile/ObjectFiles/struct-b.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -c -vast-pipeline=with-abi -o %t.vast.o %s && %cc -c -xc %s.driver -o %t.clang.o  && %cc %t.vast.o %t.clang.o -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 struct W_i16
 {
diff --git a/test/vast/Compile/ObjectFiles/void-return-a.c b/test/vast/Compile/ObjectFiles/void-return-a.c
index d8a39e1430..7941958b29 100644
--- a/test/vast/Compile/ObjectFiles/void-return-a.c
+++ b/test/vast/Compile/ObjectFiles/void-return-a.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -c -vast-pipeline=with-abi -o %t.vast.o %s && %cc -c -xc %s.driver -o %t.clang.o  && %cc %t.vast.o %t.clang.o -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 void nothing(int a) {}
 
diff --git a/test/vast/Compile/ObjectFiles/x86_64/call-array-a.c b/test/vast/Compile/ObjectFiles/x86_64/call-array-a.c
index a06403d2d2..8c430617d7 100644
--- a/test/vast/Compile/ObjectFiles/x86_64/call-array-a.c
+++ b/test/vast/Compile/ObjectFiles/x86_64/call-array-a.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -target x86_64 -c -vast-pipeline=with-abi -S -emit-llvm -o %t.vast.ll %s && %cc -c -S -emit-llvm -xc %s.driver -o %t.clang.ll  && %cc %t.vast.ll %t.clang.ll -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 int sum(int array[2])
 {
diff --git a/test/vast/Compile/ObjectFiles/x86_64/call-array-b.c b/test/vast/Compile/ObjectFiles/x86_64/call-array-b.c
index 4885676302..8eb0af13cd 100644
--- a/test/vast/Compile/ObjectFiles/x86_64/call-array-b.c
+++ b/test/vast/Compile/ObjectFiles/x86_64/call-array-b.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -target x86_64 -c -S -emit-llvm -o %t.vast.ll %s && %cc -target x86_64 -c -S -emit-llvm -xc %s.driver -o %t.clang.ll  && %cc %t.vast.ll %t.clang.ll -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 struct data {
     int array[4];
diff --git a/test/vast/Compile/ObjectFiles/x86_64/call-array-c.c b/test/vast/Compile/ObjectFiles/x86_64/call-array-c.c
index 0d25979aff..ea5d591a4f 100644
--- a/test/vast/Compile/ObjectFiles/x86_64/call-array-c.c
+++ b/test/vast/Compile/ObjectFiles/x86_64/call-array-c.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -target x86_64 -c -S -emit-llvm -o %t.vast.ll %s && %cc -target x86_64 -c -S -emit-llvm -xc %s.driver -o %t.clang.ll  && %cc %t.vast.ll %t.clang.ll -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 struct data {
     short a;
diff --git a/test/vast/Compile/ObjectFiles/x86_64/call-array-d.c b/test/vast/Compile/ObjectFiles/x86_64/call-array-d.c
index fe98e33b1f..0c68a1a810 100644
--- a/test/vast/Compile/ObjectFiles/x86_64/call-array-d.c
+++ b/test/vast/Compile/ObjectFiles/x86_64/call-array-d.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -target x86_64 -c -S -emit-llvm -o %t.vast.ll %s && %cc -target x86_64 -c -S -emit-llvm -xc %s.driver -o %t.clang.ll  && %cc %t.vast.ll %t.clang.ll -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 // Issue #605
 // REQUIRES: abi-float-vectors
diff --git a/test/vast/Compile/ObjectFiles/x86_64/one-element-array-a.c b/test/vast/Compile/ObjectFiles/x86_64/one-element-array-a.c
index c35b27730e..3cd51dade3 100644
--- a/test/vast/Compile/ObjectFiles/x86_64/one-element-array-a.c
+++ b/test/vast/Compile/ObjectFiles/x86_64/one-element-array-a.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -target x86_64 -c -S -emit-llvm -o %t.vast.ll %s && %cc -target x86_64 -c -S -emit-llvm -xc %s.driver -o %t.clang.ll  && %cc %t.vast.ll %t.clang.ll -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 struct data {
     int array[1];
diff --git a/test/vast/Compile/ObjectFiles/x86_64/one-element-array-b.c b/test/vast/Compile/ObjectFiles/x86_64/one-element-array-b.c
index 6fd44e91bf..7cfb9fac2e 100644
--- a/test/vast/Compile/ObjectFiles/x86_64/one-element-array-b.c
+++ b/test/vast/Compile/ObjectFiles/x86_64/one-element-array-b.c
@@ -1,4 +1,5 @@
 // RUN: %vast-front -target x86_64 -c -S -emit-llvm -o %t.vast.ll %s && %cc -target x86_64 -c -S -emit-llvm -xc %s.driver -o %t.clang.ll  && %cc %t.vast.ll %t.clang.ll -o %t && (%t; test $? -eq 0)
+// REQUIRES: clang
 
 struct data {
     float array[1];