[ARM] Add Thumb2 code size optimization regression test for LSL (immediate).

llvm-svn: 217576
2014-09-11 10:29:42 +00:00 · 2014-09-11 10:29:42 +00:00 · 7430df486e
parent 1ec3e4e4bd
commit 7430df486e
1 changed files with 9 additions and 0 deletions
--- a/llvm/test/CodeGen/ARM/thumb2-size-opt.ll
+++ b/llvm/test/CodeGen/ARM/thumb2-size-opt.ll
@ -46,3 +46,12 @@ entry:
  %eor = xor i32 %a, %b
  ret i32 %eor
 }
+
+define i32 @lsl-imm(i32 %a) nounwind readnone {
+; CHECK-LABEL: "lsl-imm":
+; CHECK: lsl.w r{{[0-9]+}}, r{{[0-9]+}}, #13 @ encoding: [{{0x..,0x..,0x..,0x..}}]
+; CHECK-OPT: lsls r{{[0-7]}}, r{{[0-7]}}, #13  @ encoding: [{{0x..,0x..}}]
+entry:
+  %shl = shl i32 %a, 13
+  ret i32 %shl
+}