1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/X86/memcpy.ll b/test/CodeGen/X86/memcpy.ll
index f582571252b53..4351014192bb3 100644
--- a/test/CodeGen/X86/memcpy.ll
+++ b/test/CodeGen/X86/memcpy.ll
@@ -2,6 +2,7 @@
 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core2 | FileCheck %s -check-prefix=DARWIN
 
 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
+declare void @llvm.memcpy.p256i8.p256i8.i64(i8 addrspace(256)* nocapture, i8 addrspace(256)* nocapture, i64, i32, i1) nounwind
 
 
 ; Variable memcpy's should lower to calls.
@@ -59,6 +60,26 @@ entry:
 ; DARWIN: movq
 }
 
+define void @test3_minsize(i8* nocapture %A, i8* nocapture %B) nounwind minsize noredzone {
+  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %A, i8* %B, i64 64, i32 1, i1 false)
+  ret void
+; LINUX-LABEL: test3_minsize:
+; LINUX: memcpy
+
+; DARWIN-LABEL: test3_minsize:
+; DARWIN: memcpy
+}
+
+define void @test3_minsize_optsize(i8* nocapture %A, i8* nocapture %B) nounwind optsize minsize noredzone {
+  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %A, i8* %B, i64 64, i32 1, i1 false)
+  ret void
+; LINUX-LABEL: test3_minsize_optsize:
+; LINUX: memcpy
+
+; DARWIN-LABEL: test3_minsize_optsize:
+; DARWIN: memcpy
+}
+
 ; Large constant memcpy's should be inlined when not optimizing for size.
 define void @test4(i8* nocapture %A, i8* nocapture %B) nounwind noredzone {
 entry:
@@ -118,3 +139,15 @@ define void @PR15348(i8* %a, i8* %b) {
   call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 17, i32 0, i1 false)
   ret void
 }
+
+; Memcpys from / to address space 256 should be lowered to appropriate loads /
+; stores if small enough.
+define void @addrspace256(i8 addrspace(256)* %a, i8 addrspace(256)* %b) nounwind {
+  tail call void @llvm.memcpy.p256i8.p256i8.i64(i8 addrspace(256)* %a, i8 addrspace(256)* %b, i64 16, i32 8, i1 false)
+  ret void
+; LINUX-LABEL: addrspace256:
+; LINUX: movq %gs:
+; LINUX: movq %gs:
+; LINUX: movq {{.*}}, %gs:
+; LINUX: movq {{.*}}, %gs:
+}