irgen: inline code for several of complex builtin

calls. // rdar://8315199

llvm-svn: 161891

1 files changed, 71 insertions, 0 deletions

diff --git a/clang/test/CodeGen/complex-builtints.c b/clang/test/CodeGen/complex-builtints.c
new file mode 100644
index 00000000000..09219cfb9d4
--- /dev/null
+++ b/clang/test/CodeGen/complex-builtints.c
@@ -0,0 +1,71 @@
+// RUN: %clang_cc1 %s -O1 -emit-llvm -o - | FileCheck %s
+// rdar://8315199
+
+/* Test for builtin conj, creal, cimag.  */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+
+extern float _Complex conjf (float _Complex);
+extern double _Complex conj (double _Complex);
+extern long double _Complex conjl (long double _Complex);
+
+extern float crealf (float _Complex);
+extern double creal (double _Complex);
+extern long double creall (long double _Complex);
+
+extern float cimagf (float _Complex);
+extern double cimag (double _Complex);
+extern long double cimagl (long double _Complex);
+
+extern void abort (void);
+extern void link_error (void);
+
+int
+main ()
+{
+  /* For each type, test both runtime and compile time (constant folding)
+     optimization.  */
+  volatile float _Complex fc = 1.0F + 2.0iF;
+  volatile double _Complex dc = 1.0 + 2.0i;
+  volatile long double _Complex ldc = 1.0L + 2.0iL;
+  /* Test floats.  */
+  if (__builtin_conjf (fc) != 1.0F - 2.0iF)
+    abort ();
+  if (__builtin_conjf (1.0F + 2.0iF) != 1.0F - 2.0iF)
+    link_error ();
+  if (__builtin_crealf (fc) != 1.0F)
+    abort ();
+  if (__builtin_crealf (1.0F + 2.0iF) != 1.0F)
+    link_error ();
+  if (__builtin_cimagf (fc) != 2.0F)
+    abort ();
+  if (__builtin_cimagf (1.0F + 2.0iF) != 2.0F)
+    link_error ();
+  /* Test doubles.  */
+  if (__builtin_conj (dc) != 1.0 - 2.0i)
+    abort ();
+  if (__builtin_conj (1.0 + 2.0i) != 1.0 - 2.0i)
+    link_error ();
+  if (__builtin_creal (dc) != 1.0)
+    abort ();
+  if (__builtin_creal (1.0 + 2.0i) != 1.0)
+    link_error ();
+  if (__builtin_cimag (dc) != 2.0)
+    abort ();
+  if (__builtin_cimag (1.0 + 2.0i) != 2.0)
+    link_error ();
+  /* Test long doubles.  */
+  if (__builtin_conjl (ldc) != 1.0L - 2.0iL)
+    abort ();
+  if (__builtin_conjl (1.0L + 2.0iL) != 1.0L - 2.0iL)
+    link_error ();
+  if (__builtin_creall (ldc) != 1.0L)
+    abort ();
+  if (__builtin_creall (1.0L + 2.0iL) != 1.0L)
+    link_error ();
+  if (__builtin_cimagl (ldc) != 2.0L)
+    abort ();
+  if (__builtin_cimagl (1.0L + 2.0iL) != 2.0L)
+    link_error ();
+}
+
+// CHECK-NOT: link_error