From 02a65146aaa1f209013415e9247771805ca2ad5d Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 25 Jul 2008 23:52:49 +0000
Subject: [PATCH] GCC supports the complex conjugate operator (an extension) on
 complex int as well as complex float. rdar://6097730

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54080 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Sema/SemaExpr.cpp   | 18 ++++++++----------
 test/Sema/complex-int.c |  9 +++++++++
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 99c070990b..25a86fabdb 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -2261,16 +2261,14 @@ Action::ExprResult Sema::ActOnUnaryOp(SourceLocation OpLoc, tok::TokenKind Op,
   case UnaryOperator::Not: // bitwise complement
     UsualUnaryConversions(Input);
     resultType = Input->getType();
-    // C99 6.5.3.3p1. We allow complex as a GCC extension.
-    if (!resultType->isIntegerType()) {
-      if (resultType->isComplexType())
-        // C99 does not support '~' for complex conjugation.
-        Diag(OpLoc, diag::ext_integer_complement_complex,
-                    resultType.getAsString());
-      else
-        return Diag(OpLoc, diag::err_typecheck_unary_expr,
-                    resultType.getAsString());
-    }
+    // C99 6.5.3.3p1. We allow complex int and float as a GCC extension.
+    if (resultType->isComplexType() || resultType->isComplexIntegerType())
+      // C99 does not support '~' for complex conjugation.
+      Diag(OpLoc, diag::ext_integer_complement_complex,
+           resultType.getAsString(), Input->getSourceRange());
+    else if (!resultType->isIntegerType())
+      return Diag(OpLoc, diag::err_typecheck_unary_expr,
+                  resultType.getAsString(), Input->getSourceRange());
     break;
   case UnaryOperator::LNot: // logical negation
     // Unlike +/-/~, integer promotions aren't done here (C99 6.5.3.3p5).
diff --git a/test/Sema/complex-int.c b/test/Sema/complex-int.c
index d7244d113b..1e58b5320c 100644
--- a/test/Sema/complex-int.c
+++ b/test/Sema/complex-int.c
@@ -41,3 +41,12 @@ TestPairs(5); TestPairs(6);
 TestPairs(7); TestPairs(8);
 }
 
+// rdar://6097730
+void test3(_Complex int *x) {
+  *x = ~*x;
+}		
+
+void test4(_Complex float *x) {
+  *x = ~*x;
+}		
+