ARM] Add Thumb-2 code size optimization regression test for BIC.
authorTilmann Scheller <t.scheller@samsung.com>
Mon, 1 Sep 2014 12:53:29 +0000 (12:53 +0000)
committerTilmann Scheller <t.scheller@samsung.com>
Mon, 1 Sep 2014 12:53:29 +0000 (12:53 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216880 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/ARM/thumb2-size-opt.ll

index e201cd5159f913488628054f6d2250bf6a64c967..532c3d348fc60f08da3d24dbf0abfcbc0208f8a0 100644 (file)
@@ -27,3 +27,13 @@ entry:
   %shr = ashr i32 %a, %b
   ret i32 %shr
 }
+
+define i32 @bic(i32 %a, i32 %b) nounwind readnone {
+; CHECK-LABEL: bic:
+; CHECK: bic.w r{{[0-9]+}}, r{{[0-9]+}}, r{{[0-9]+}} @ encoding: [{{0x..,0x..,0x..,0x..}}]
+; CHECK-OPT: bics r{{[0-7]}}, r{{[0-7]}} @ encoding: [{{0x..,0x..}}]
+entry:
+  %neg = xor i32 %b, -1
+  %and = and i32 %neg, %a
+  ret i32 %and
+}