[lld] r266896 - [LTO] Add a test to ensure we handle basic type merging correctly.

[Davide Italiano via llvm-commits]

Author: davide
Date: Wed Apr 20 13:10:25 2016
New Revision: 266896

URL: http://llvm.org/viewvc/llvm-project?rev=266896&view=rev
Log:
[LTO] Add a test to ensure we handle basic type merging correctly.

Added:
    lld/trunk/test/ELF/lto/Inputs/type-merge.ll
    lld/trunk/test/ELF/lto/type-merge.ll

Added: lld/trunk/test/ELF/lto/Inputs/type-merge.ll
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/lto/Inputs/type-merge.ll?rev=266896&view=auto
==============================================================================
--- lld/trunk/test/ELF/lto/Inputs/type-merge.ll (added)
+++ lld/trunk/test/ELF/lto/Inputs/type-merge.ll Wed Apr 20 13:10:25 2016
@@ -0,0 +1,8 @@
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @zed() {
+  call void @bar()
+  ret void
+}
+declare void @bar()

Added: lld/trunk/test/ELF/lto/type-merge.ll
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/lto/type-merge.ll?rev=266896&view=auto
==============================================================================
--- lld/trunk/test/ELF/lto/type-merge.ll (added)
+++ lld/trunk/test/ELF/lto/type-merge.ll Wed Apr 20 13:10:25 2016
@@ -0,0 +1,26 @@
+; REQUIRES: x86
+; RUN: llvm-as %s -o %t.o
+; RUN: llvm-as %p/Inputs/type-merge.ll -o %t2.o
+; RUN: ld.lld -m elf_x86_64 %t.o %t2.o -o %t -shared -save-temps
+; RUN: llvm-dis < %t.lto.bc | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @foo()  {
+  call void @bar(i8* null)
+  ret void
+}
+declare void @bar(i8*)
+
+; CHECK:      define void @foo() {
+; CHECK-NEXT:   call void @bar(i8* null)
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }
+
+; CHECK: declare void @bar(i8*)
+
+; CHECK:      define void @zed() {
+; CHECK-NEXT:   call void bitcast (void (i8*)* @bar to void ()*)()
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }