From a928f27d2397238dbe7849d099d5b58952d99b40 Mon Sep 17 00:00:00 2001 From: David Goodwin Date: Wed, 8 Jul 2009 16:15:06 +0000 Subject: Add rev16 test... xfail for now git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75012 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/Thumb2/thumb2-rev16.ll | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 test/CodeGen/Thumb2/thumb2-rev16.ll (limited to 'test/CodeGen/Thumb2/thumb2-rev16.ll') diff --git a/test/CodeGen/Thumb2/thumb2-rev16.ll b/test/CodeGen/Thumb2/thumb2-rev16.ll new file mode 100644 index 0000000..d45d1ff --- /dev/null +++ b/test/CodeGen/Thumb2/thumb2-rev16.ll @@ -0,0 +1,32 @@ +; XFAIL: * +; fixme rev16 pattern is not matching + +; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {rev16\\W*r\[0-9\]*,\\W*r\[0-9\]*} | count 1 + +; 0xff00ff00 = 4278255360 +; 0x00ff00ff = 16711935 +define i32 @f1(i32 %a) { + %l8 = shl i32 %a, 8 + %r8 = lshr i32 %a, 8 + %mask_l8 = and i32 %l8, 4278255360 + %mask_r8 = and i32 %r8, 16711935 + %tmp = or i32 %mask_l8, %mask_r8 + ret i32 %tmp +} + +; 0xff000000 = 4278190080 +; 0x00ff0000 = 16711680 +; 0x0000ff00 = 65280 +; 0x000000ff = 255 +define i32 @f2(i32 %a) { + %l8 = shl i32 %a, 8 + %r8 = lshr i32 %a, 8 + %masklo_l8 = and i32 %l8, 65280 + %maskhi_l8 = and i32 %l8, 4278190080 + %masklo_r8 = and i32 %r8, 255 + %maskhi_r8 = and i32 %r8, 16711680 + %tmp1 = or i32 %masklo_l8, %masklo_r8 + %tmp2 = or i32 %maskhi_l8, %maskhi_r8 + %tmp = or i32 %tmp1, %tmp2 + ret i32 %tmp +} -- cgit v1.1