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/and-elim.ll b/test/CodeGen/PowerPC/and-elim.ll
new file mode 100644
index 0000000..f85b3d8
--- /dev/null
+++ b/test/CodeGen/PowerPC/and-elim.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep rlwin
+
+define void @test(i8* %P) {
+ %W = load i8* %P
+ %X = shl i8 %W, 1
+ %Y = add i8 %X, 2
+ %Z = and i8 %Y, 254 ; dead and
+ store i8 %Z, i8* %P
+ ret void
+}
+
+define i16 @test2(i16 zext %crc) zext {
+ ; No and's should be needed for the i16s here.
+ %tmp.1 = lshr i16 %crc, 1
+ %tmp.7 = xor i16 %tmp.1, 40961
+ ret i16 %tmp.7
+}
+