From 9961cf1fed0ab71cf4a7cfd8646e474c2c1ef480 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 14 Nov 2006 07:45:36 +0000 Subject: [PATCH] new testcase git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31728 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/InstCombine/shift-simplify.ll | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 test/Transforms/InstCombine/shift-simplify.ll diff --git a/test/Transforms/InstCombine/shift-simplify.ll b/test/Transforms/InstCombine/shift-simplify.ll new file mode 100644 index 00000000000..b91637f7c4c --- /dev/null +++ b/test/Transforms/InstCombine/shift-simplify.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | egrep 'shl|lshr|ashr' | wc -l | grep 3 + +int %test0(int %A, int %B, ubyte %C) { + %X = shl int %A, ubyte %C + %Y = shl int %B, ubyte %C + %Z = and int %X, %Y + ret int %Z +} + +int %test1(int %A, int %B, ubyte %C) { + %X = lshr int %A, ubyte %C + %Y = lshr int %B, ubyte %C + %Z = or int %X, %Y + ret int %Z +} + +int %test2(int %A, int %B, ubyte %C) { + %X = ashr int %A, ubyte %C + %Y = ashr int %B, ubyte %C + %Z = xor int %X, %Y + ret int %Z +}