[LTO] Another type merge test.

llvm-svn: 266899

2 files changed, 35 insertions, 0 deletions

diff --git a/lld/test/ELF/lto/Inputs/type-merge2.ll b/lld/test/ELF/lto/Inputs/type-merge2.ll
new file mode 100644
index 00000000000..79fd1f88630
--- /dev/null
+++ b/lld/test/ELF/lto/Inputs/type-merge2.ll
@@ -0,0 +1,8 @@
+target triple = "x86_64-unknown-linux-gnu"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+%zed = type { i16 }
+define void @bar(%zed* %this)  {
+  store %zed* %this, %zed** null
+  ret void
+}
diff --git a/lld/test/ELF/lto/type-merge2.ll b/lld/test/ELF/lto/type-merge2.ll
new file mode 100644
index 00000000000..f0931ddc9d5
--- /dev/null
+++ b/lld/test/ELF/lto/type-merge2.ll
@@ -0,0 +1,27 @@
+; RUN: llvm-as %s -o %t.o
+; RUN: llvm-as %p/Inputs/type-merge2.ll -o %t2.o
+; RUN: ld.lld -m elf_x86_64 %t.o %t2.o -o %t.so -shared -save-temps
+; RUN: llvm-dis %t.so.lto.bc -o - | FileCheck %s
+
+target triple = "x86_64-unknown-linux-gnu"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+%zed = type { i8 }
+define void @foo()  {
+  call void @bar(%zed* null)
+  ret void
+}
+declare void @bar(%zed*)
+
+; CHECK:      %zed = type { i8 }
+; CHECK-NEXT: %zed.0 = type { i16 }
+
+; CHECK:      define void @foo() {
+; CHECK-NEXT:   call void bitcast (void (%zed.0*)* @bar to void (%zed*)*)(%zed* null)
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }
+
+; CHECK:      define void @bar(%zed.0* %this) {
+; CHECK-NEXT:   store %zed.0* %this, %zed.0** null
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }