It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/PowerPC/rlwimi.ll b/test/CodeGen/PowerPC/rlwimi.ll
new file mode 100644
index 0000000..92afcf9
--- /dev/null
+++ b/test/CodeGen/PowerPC/rlwimi.ll
@@ -0,0 +1,72 @@
+; All of these ands and shifts should be folded into rlwimi's
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 | not grep and
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 | grep rlwimi | wc -l | grep 8
+
+implementation ; Functions:
+
+int %test1(int %x, int %y) {
+entry:
+ %tmp.3 = shl int %x, ubyte 16 ; <int> [#uses=1]
+ %tmp.7 = and int %y, 65535 ; <int> [#uses=1]
+ %tmp.9 = or int %tmp.7, %tmp.3 ; <int> [#uses=1]
+ ret int %tmp.9
+}
+
+int %test2(int %x, int %y) {
+entry:
+ %tmp.7 = and int %x, 65535 ; <int> [#uses=1]
+ %tmp.3 = shl int %y, ubyte 16 ; <int> [#uses=1]
+ %tmp.9 = or int %tmp.7, %tmp.3 ; <int> [#uses=1]
+ ret int %tmp.9
+}
+
+uint %test3(uint %x, uint %y) {
+entry:
+ %tmp.3 = shr uint %x, ubyte 16 ; <uint> [#uses=1]
+ %tmp.6 = and uint %y, 4294901760 ; <uint> [#uses=1]
+ %tmp.7 = or uint %tmp.6, %tmp.3 ; <uint> [#uses=1]
+ ret uint %tmp.7
+}
+
+uint %test4(uint %x, uint %y) {
+entry:
+ %tmp.6 = and uint %x, 4294901760 ; <uint> [#uses=1]
+ %tmp.3 = shr uint %y, ubyte 16 ; <uint> [#uses=1]
+ %tmp.7 = or uint %tmp.6, %tmp.3 ; <uint> [#uses=1]
+ ret uint %tmp.7
+}
+
+int %test5(int %x, int %y) {
+entry:
+ %tmp.3 = shl int %x, ubyte 1 ; <int> [#uses=1]
+ %tmp.4 = and int %tmp.3, -65536 ; <int> [#uses=1]
+ %tmp.7 = and int %y, 65535 ; <int> [#uses=1]
+ %tmp.9 = or int %tmp.4, %tmp.7 ; <int> [#uses=1]
+ ret int %tmp.9
+}
+
+int %test6(int %x, int %y) {
+entry:
+ %tmp.7 = and int %x, 65535 ; <int> [#uses=1]
+ %tmp.3 = shl int %y, ubyte 1 ; <int> [#uses=1]
+ %tmp.4 = and int %tmp.3, -65536 ; <int> [#uses=1]
+ %tmp.9 = or int %tmp.4, %tmp.7 ; <int> [#uses=1]
+ ret int %tmp.9
+}
+
+int %test7(int %x, int %y) {
+entry:
+ %tmp.2 = and int %x, -65536 ; <int> [#uses=1]
+ %tmp.5 = and int %y, 65535 ; <int> [#uses=1]
+ %tmp.7 = or int %tmp.5, %tmp.2 ; <int> [#uses=1]
+ ret int %tmp.7
+}
+
+uint %test8(uint %bar) {
+entry:
+ %tmp.3 = shl uint %bar, ubyte 1 ; <uint> [#uses=1]
+ %tmp.4 = and uint %tmp.3, 2 ; <uint> [#uses=1]
+ %tmp.6 = and uint %bar, 4294967293 ; <uint> [#uses=1]
+ %tmp.7 = or uint %tmp.4, %tmp.6 ; <uint> [#uses=1]
+ ret uint %tmp.7
+}