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-rw-r--r--test/wasm/archive-weak-undefined.ll26
1 files changed, 23 insertions, 3 deletions
diff --git a/test/wasm/archive-weak-undefined.ll b/test/wasm/archive-weak-undefined.ll
index 0285724e5..25afccaba 100644
--- a/test/wasm/archive-weak-undefined.ll
+++ b/test/wasm/archive-weak-undefined.ll
@@ -1,19 +1,39 @@
+; Test that weak undefined symbols do not fetch members from archive files.
; RUN: llc -filetype=obj %s -o %t.o
-; RUN: llc -filetype=obj %S/Inputs/ret32.ll -o %t.a1.o
+; RUN: llc -filetype=obj %S/Inputs/ret32.ll -o %t.ret32.o
+; RUN: llc -filetype=obj %S/Inputs/hello.ll -o %t.hello.o
; RUN: rm -f %t.a
-; RUN: llvm-ar rcs %t.a %t.a1.o
+; RUN: llvm-ar rcs %t.a %t.ret32.o %t.hello.o
+
; RUN: wasm-ld %t.o %t.a -o %t.wasm
; RUN: obj2yaml %t.wasm | FileCheck %s
+; RUN: wasm-ld -u hello_str %t.o %t.a -o %t2.wasm
+; RUN: obj2yaml %t2.wasm | FileCheck %s -check-prefix=CHECK-DATA
+
target triple = "wasm32-unknown-unknown"
+; Weak external function symbol
declare extern_weak i32 @ret32()
+; Weak external data symbol
+@hello_str = extern_weak global i8*, align 4
+
define void @_start() {
-entry:
+ br i1 icmp ne (i8** @hello_str, i8** null), label %if.then, label %if.end
+
+if.then:
%call1 = call i32 @ret32()
+ br label %if.end
+
+if.end:
ret void
}
+; Ensure we have no data section. If we do, would mean that hello_str was
+; pulled out of the library.
+; CHECK-NOT: Type: DATA
+; CHECK-DATA: Type: DATA
+
; CHECK: Name: 'undefined:ret32'
; CHECK-NOT: Name: ret32