New testcase, neither should require a register-register copy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23290 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/rlwimi-commute.ll b/test/CodeGen/PowerPC/rlwimi-commute.ll
new file mode 100644 (file)
index 0000000..e6719eb
--- /dev/null
+++ b/test/CodeGen/PowerPC/rlwimi-commute.ll
@@ -0,0 +1,26 @@
+; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwimi &&
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep 'or '
+
+; Make sure there is no register-register copies here.
+
+void %test1(int *%A, int *%B, int *%D, int* %E) {
+       %A = load int* %A
+       %B = load int* %B
+       %X = and int %A, 15
+       %Y = and int %B, -16
+       %Z = or int %X, %Y
+       store int %Z, int* %D
+       store int %A, int* %E
+       ret void
+}
+
+void %test2(int *%A, int *%B, int *%D, int* %E) {
+       %A = load int* %A
+       %B = load int* %B
+       %X = and int %A, 15
+       %Y = and int %B, -16
+       %Z = or int %X, %Y
+       store int %Z, int* %D
+       store int %B, int* %E
+       ret void
+}