From a332f17c8c80bb457617052fb35a3f2cecd05493 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Fri, 23 May 2008 02:28:01 +0000 Subject: Generalize the new code in instcombine's ComputeNumSignBits for handling and/or to handle more cases (such as this add-sitofp.ll testcase), and port it to selectiondag's ComputeNumSignBits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51469 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/InstCombine/add-sitofp.ll | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 test/Transforms/InstCombine/add-sitofp.ll (limited to 'test/Transforms/InstCombine/add-sitofp.ll') diff --git a/test/Transforms/InstCombine/add-sitofp.ll b/test/Transforms/InstCombine/add-sitofp.ll new file mode 100644 index 0000000000..35c6567da6 --- /dev/null +++ b/test/Transforms/InstCombine/add-sitofp.ll @@ -0,0 +1,9 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {add i32} + +define double @x(i32 %a, i32 %b) nounwind { + %m = lshr i32 %a, 24 + %n = and i32 %m, %b + %o = sitofp i32 %n to double + %p = add double %o, 1.0 + ret double %p +} -- cgit v1.2.3