Add a test for generated LLVM IR files

test cases/common/134 generated llvm ir/copy.py

@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+
+import sys
+import shutil
+
+shutil.copyfile(sys.argv[1], sys.argv[2])

test cases/common/134 generated llvm ir/main.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+unsigned square_unsigned (unsigned a);
+
+int
+main (int argc, char * argv[])
+{
+  unsigned int ret = square_unsigned (2);
+  if (ret != 4) {
+    printf("Got %u instead of 4\n", ret);
+    return 1;
+  }
+  return 0;
+}

test cases/common/134 generated llvm ir/meson.build

@@ -0,0 +1,24 @@
+project('generated llvm ir', 'c')
+
+if meson.get_compiler('c').get_id() != 'clang'
+  error('MESON_SKIP_TEST: LLVM IR files can only be built with clang')
+endif
+
+copy = find_program('copy.py')
+
+copygen = generator(copy,
+  arguments : ['@INPUT@', '@OUTPUT@'],
+  output : '@BASENAME@')
+
+l = shared_library('square-gen', copygen.process('square.ll.in'))
+
+test('square-gen-test', executable('square-gen-test', 'main.c', link_with : l))
+
+copyct = custom_target('square',
+  input : 'square.ll.in',
+  output : 'square.ll',
+  command : [copy, '@INPUT@', '@OUTPUT@'])
+
+l = shared_library('square-ct', copyct)
+
+test('square-ct-test', executable('square-ct-test', 'main.c', link_with : l))

test cases/common/134 generated llvm ir/square.ll.in

@@ -0,0 +1,4 @@
+define i32 @square_unsigned(i32 %a) {
+  %1 = mul i32 %a, %a
+  ret i32 %1
+}