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-rw-r--r--clang/test/CodeGen/enable_if.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/clang/test/CodeGen/enable_if.c b/clang/test/CodeGen/enable_if.c
new file mode 100644
index 00000000000..d1173d291ad
--- /dev/null
+++ b/clang/test/CodeGen/enable_if.c
@@ -0,0 +1,51 @@
+// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-pc-linux-gnu | FileCheck %s
+
+// Verifying that we do, in fact, select the correct function in the following
+// cases.
+
+void foo(int m) __attribute__((overloadable, enable_if(m > 0, "")));
+void foo(int m) __attribute__((overloadable));
+
+// CHECK-LABEL: define void @test1
+void test1() {
+ // CHECK: store void (i32)* @_Z3fooi
+ void (*p)(int) = foo;
+ // CHECK: store void (i32)* @_Z3fooi
+ void (*p2)(int) = &foo;
+ // CHECK: store void (i32)* @_Z3fooi
+ p = foo;
+ // CHECK: store void (i32)* @_Z3fooi
+ p = &foo;
+
+ // CHECK: store i8* bitcast (void (i32)* @_Z3fooi to i8*)
+ void *vp1 = (void*)&foo;
+ // CHECK: store i8* bitcast (void (i32)* @_Z3fooi to i8*)
+ void *vp2 = (void*)foo;
+ // CHECK: store i8* bitcast (void (i32)* @_Z3fooi to i8*)
+ vp1 = (void*)&foo;
+ // CHECK: store i8* bitcast (void (i32)* @_Z3fooi to i8*)
+ vp1 = (void*)foo;
+}
+
+void bar(int m) __attribute__((overloadable, enable_if(m > 0, "")));
+void bar(int m) __attribute__((overloadable, enable_if(1, "")));
+// CHECK-LABEL: define void @test2
+void test2() {
+ // CHECK: store void (i32)* @_Z3barUa9enable_ifIXLi1EEEi
+ void (*p)(int) = bar;
+ // CHECK: store void (i32)* @_Z3barUa9enable_ifIXLi1EEEi
+ void (*p2)(int) = &bar;
+ // CHECK: store void (i32)* @_Z3barUa9enable_ifIXLi1EEEi
+ p = bar;
+ // CHECK: store void (i32)* @_Z3barUa9enable_ifIXLi1EEEi
+ p = &bar;
+
+ // CHECK: store i8* bitcast (void (i32)* @_Z3barUa9enable_ifIXLi1EEEi to i8*)
+ void *vp1 = (void*)&bar;
+ // CHECK: store i8* bitcast (void (i32)* @_Z3barUa9enable_ifIXLi1EEEi to i8*)
+ void *vp2 = (void*)bar;
+ // CHECK: store i8* bitcast (void (i32)* @_Z3barUa9enable_ifIXLi1EEEi to i8*)
+ vp1 = (void*)&bar;
+ // CHECK: store i8* bitcast (void (i32)* @_Z3barUa9enable_ifIXLi1EEEi to i8*)
+ vp1 = (void*)bar;
+}
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