From 548484d9a354609496c071c8112e5553f8cb2f99 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 30 May 2007 16:29:20 +0000 Subject: [PATCH] new testcase for PR1473 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37361 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../PowerPC/2007-05-30-dagcombine-miscomp.ll | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll diff --git a/test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll b/test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll new file mode 100644 index 00000000000..0ea76c76338 --- /dev/null +++ b/test/CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll @@ -0,0 +1,14 @@ +target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" +target triple = "powerpc-apple-darwin8.8.0" + +; RUN: llvm-as < %s | llc -march=ppc32 | grep {rlwinm r3, r3, 23, 30, 30} +; PR1473 + +define i8 @foo(i16 zext %a) zext { + %tmp2 = lshr i16 %a, 10 ; [#uses=1] + %tmp23 = trunc i16 %tmp2 to i8 ; [#uses=1] + %tmp4 = shl i8 %tmp23, 1 ; [#uses=1] + %tmp5 = and i8 %tmp4, 2 ; [#uses=1] + ret i8 %tmp5 +} + -- 2.34.1