From 952eddef9aff85b1e92626e89baaf7a360e2ac85 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 22 Dec 2013 00:07:40 +0000
Subject: Vendor import of clang release_34 branch r197841 (effectively, 3.4
RC3): https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841
---
test/CodeGen/pragma-weak.c | 88 +++++++++++++++++++++++++---------------------
1 file changed, 47 insertions(+), 41 deletions(-)
(limited to 'test/CodeGen/pragma-weak.c')
diff --git a/test/CodeGen/pragma-weak.c b/test/CodeGen/pragma-weak.c
index d4b1b9f..b5d1863 100644
--- a/test/CodeGen/pragma-weak.c
+++ b/test/CodeGen/pragma-weak.c
@@ -5,24 +5,22 @@
// CHECK: @correct_linkage = weak global
-// CHECK: @both = alias void ()* @__both
-// CHECK: @both2 = alias void ()* @__both2
-// CHECK: @both3 = alias weak void ()* @__both3
-// CHECK: @a3 = alias weak void ()* @__a3
-// CHECK: @weakvar_alias = alias weak i32* @__weakvar_alias
-// CHECK: @foo = alias weak void ()* @__foo
-// CHECK: @foo2 = alias weak void ()* @__foo2
-// CHECK: @stutter = alias weak void ()* @__stutter
-// CHECK: @stutter2 = alias weak void ()* @__stutter2
-// CHECK: @declfirst = alias weak void ()* @__declfirst
-// CHECK: @declfirstattr = alias weak void ()* @__declfirstattr
-// CHECK: @mix2 = alias weak void ()* @__mix2
-// CHECK: @a1 = alias weak void ()* @__a1
-// CHECK: @xxx = alias weak void ()* @__xxx
+// CHECK-DAG: @both = alias void ()* @__both
+// CHECK-DAG: @both2 = alias void ()* @__both2
+// CHECK-DAG: @weakvar_alias = alias weak i32* @__weakvar_alias
+// CHECK-DAG: @foo = alias weak void ()* @__foo
+// CHECK-DAG: @foo2 = alias weak void ()* @__foo2
+// CHECK-DAG: @stutter = alias weak void ()* @__stutter
+// CHECK-DAG: @stutter2 = alias weak void ()* @__stutter2
+// CHECK-DAG: @declfirst = alias weak void ()* @__declfirst
+// CHECK-DAG: @declfirstattr = alias weak void ()* @__declfirstattr
+// CHECK-DAG: @mix2 = alias weak void ()* @__mix2
+// CHECK-DAG: @a1 = alias weak void ()* @__a1
+// CHECK-DAG: @xxx = alias weak void ()* @__xxx
-// CHECK: define weak void @weakdef()
+// CHECK-LABEL: define weak void @weakdef()
#pragma weak weakvar
@@ -42,12 +40,12 @@ int __weakvar_alias;
#pragma weak foo = __foo
void __foo(void) {}
-// CHECK: define void @__foo()
+// CHECK-LABEL: define void @__foo()
void __foo2(void) {}
#pragma weak foo2 = __foo2
-// CHECK: define void @__foo2()
+// CHECK-LABEL: define void @__foo2()
///// test errors
@@ -69,12 +67,12 @@ typedef int __td2;
#pragma weak stutter = __stutter
#pragma weak stutter = __stutter
void __stutter(void) {}
-// CHECK: define void @__stutter()
+// CHECK-LABEL: define void @__stutter()
void __stutter2(void) {}
#pragma weak stutter2 = __stutter2
#pragma weak stutter2 = __stutter2
-// CHECK: define void @__stutter2()
+// CHECK-LABEL: define void @__stutter2()
// test decl/pragma weak order
@@ -82,12 +80,12 @@ void __stutter2(void) {}
void __declfirst(void);
#pragma weak declfirst = __declfirst
void __declfirst(void) {}
-// CHECK: define void @__declfirst()
+// CHECK-LABEL: define void @__declfirst()
void __declfirstattr(void) __attribute((noinline));
#pragma weak declfirstattr = __declfirstattr
void __declfirstattr(void) {}
-// CHECK: define void @__declfirstattr()
+// CHECK-LABEL: define void @__declfirstattr()
//// test that other attributes are preserved
@@ -96,7 +94,7 @@ void __declfirstattr(void) {}
void mix(void);
#pragma weak mix
__attribute((weak)) void mix(void) { }
-// CHECK: define weak void @mix()
+// CHECK-LABEL: define weak void @mix()
// ensure following __attributes are preserved and that only a single
// alias is generated
@@ -104,7 +102,7 @@ __attribute((weak)) void mix(void) { }
void __mix2(void) __attribute((noinline));
void __mix2(void) __attribute((noinline));
void __mix2(void) {}
-// CHECK: define void @__mix2()
+// CHECK-LABEL: define void @__mix2()
////////////// test #pragma weak/__attribute combinations
@@ -113,7 +111,7 @@ void __mix2(void) {}
void both(void) __attribute((alias("__both")));
#pragma weak both = __both
void __both(void) {}
-// CHECK: define void @__both()
+// CHECK-LABEL: define void @__both()
// if the TARGET is previously declared then whichever aliasing method
// comes first applies and subsequent aliases are discarded.
@@ -123,13 +121,7 @@ void __both2(void);
void both2(void) __attribute((alias("__both2"))); // first, wins
#pragma weak both2 = __both2
void __both2(void) {}
-// CHECK: define void @__both2()
-
-void __both3(void);
-#pragma weak both3 = __both3 // first, wins
-void both3(void) __attribute((alias("__both3")));
-void __both3(void) {}
-// CHECK: define void @__both3()
+// CHECK-LABEL: define void @__both2()
///////////// ensure that #pragma weak does not alter existing __attributes()
@@ -138,16 +130,8 @@ void __a1(void) __attribute((noinline));
void __a1(void) {}
// CHECK: define void @__a1() [[NI:#[0-9]+]]
-// attributes introduced BEFORE a combination of #pragma weak and alias()
-// hold...
-void __a3(void) __attribute((noinline));
-#pragma weak a3 = __a3
-void a3(void) __attribute((alias("__a3")));
-void __a3(void) {}
-// CHECK: define void @__a3() [[NI]]
-
#pragma weak xxx = __xxx
-__attribute((pure,noinline,const,fastcall)) void __xxx(void) { }
+__attribute((pure,noinline,const)) void __xxx(void) { }
// CHECK: void @__xxx() [[RN:#[0-9]+]]
///////////// PR10878: Make sure we can call a weak alias
@@ -165,6 +149,28 @@ void PR14046f() {
}
// CHECK: declare extern_weak i32 @PR14046e()
+// Parse #pragma weak after a label or case statement
+extern int PR16705a(void);
+extern int PR16705b(void);
+extern int PR16705c(void);
+void PR16705f(int a) {
+ switch(a) {
+ case 1:
+#pragma weak PR16705a
+ PR16705a();
+ default:
+#pragma weak PR16705b
+ PR16705b();
+ }
+label:
+ #pragma weak PR16705c
+ PR16705c();
+}
+
+// CHECK: declare extern_weak i32 @PR16705a()
+// CHECK: declare extern_weak i32 @PR16705b()
+// CHECK: declare extern_weak i32 @PR16705c()
+
///////////// TODO: stuff that still doesn't work
@@ -176,7 +182,7 @@ void yyy(void){}
void zzz(void){}
#pragma weak yyy
// NOTE: weak doesn't apply, not before or in same TopLevelDec(!)
-// CHECK: define void @yyy()
+// CHECK-LABEL: define void @yyy()
int correct_linkage;
--
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