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-rw-r--r--test/CodeGen/X86/2006-11-28-Memcpy.ll34
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2006-11-28-Memcpy.ll b/test/CodeGen/X86/2006-11-28-Memcpy.ll
new file mode 100644
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--- /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*, ...)