Add test cases for PR1022, 1023.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32002 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/2006-11-28-Memcpy.ll b/test/CodeGen/X86/2006-11-28-Memcpy.ll
new file mode 100644 (file)
index 0000000..c7bf575
--- /dev/null
+++ b/test/CodeGen/X86/2006-11-28-Memcpy.ll
@@ -0,0 +1,34 @@
+; RUN: llvm-as < %s | llc -march=x86 &&
+; RUN: llvm-as < %s | llc -march=x86 | grep 3721182122 | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=x86 | grep 'movl _bytes2' | wc -l | grep 1
+; PR1022, 1023
+
+%fmt = constant [4 x sbyte] c"%x\0A\00"
+%bytes = constant [4 x sbyte] c"\AA\BB\CC\DD"
+%bytes2 = global [4 x sbyte] c"\AA\BB\CC\DD"
+
+
+int %test1() {
+        %y = alloca uint
+        %c = cast uint* %y to sbyte*
+        %z = getelementptr [4 x sbyte]* %bytes, int 0, int 0
+        call void %llvm.memcpy.i32( sbyte* %c, sbyte* %z, uint 4, uint 1 )
+        %r = load uint* %y
+        %t = cast [4 x sbyte]* %fmt to sbyte*
+        %tmp = call int (sbyte*, ...)* %printf( sbyte* %t, uint %r )
+        ret int 0
+}
+
+void %test2() {
+        %y = alloca uint
+        %c = cast uint* %y to sbyte*
+        %z = getelementptr [4 x sbyte]* %bytes2, int 0, int 0
+        call void %llvm.memcpy.i32( sbyte* %c, sbyte* %z, uint 4, uint 1 )
+        %r = load uint* %y
+        %t = cast [4 x sbyte]* %fmt to sbyte*
+        %tmp = call int (sbyte*, ...)* %printf( sbyte* %t, uint %r )
+        ret void
+}
+
+declare void %llvm.memcpy.i32(sbyte*, sbyte*, uint, uint)
+declare int %printf(sbyte*, ...)