Vendor import of llvm trunk r130700:vendor/llvm/llvm-r130700

http://llvm.org/svn/llvm-project/llvm/trunk@130700

1 files changed, 27 insertions, 0 deletions

diff --git a/test/Transforms/ScalarRepl/only-memcpy-uses.ll b/test/Transforms/ScalarRepl/only-memcpy-uses.ll
new file mode 100644
index 000000000000..cfb88bd80d60
--- /dev/null
+++ b/test/Transforms/ScalarRepl/only-memcpy-uses.ll
@@ -0,0 +1,27 @@
+; RUN: opt < %s -scalarrepl -S | FileCheck %s
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+target triple = "x86_64-apple-darwin10.0.0"
+
+%struct.S = type { [12 x i32] }
+
+; CHECK: @bar4
+define void @bar4(%struct.S* byval %s) nounwind ssp {
+entry:
+; CHECK: alloca
+; CHECK-NOT: load
+; CHECK: memcpy
+  %t = alloca %struct.S, align 4
+  %agg.tmp = alloca %struct.S, align 4
+  %tmp = bitcast %struct.S* %t to i8*
+  %tmp1 = bitcast %struct.S* %s to i8*
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* %tmp1, i64 48, i32 4, i1 false)
+  %tmp2 = bitcast %struct.S* %agg.tmp to i8*
+  %tmp3 = bitcast %struct.S* %t to i8*
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp2, i8* %tmp3, i64 48, i32 4, i1 false)
+  %call = call i32 (...)* @bazz(%struct.S* byval %agg.tmp)
+  ret void
+}
+
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
+
+declare i32 @bazz(...)