From 87d9e699950557ba2985c2a557b05c3d6e0eda41 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 9 Dec 2003 21:40:36 +0000 Subject: [PATCH] New testcase for sinking operations from loops with multiple exits git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10344 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/LICM/sink_multiple_exits.ll | 22 +++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 test/Transforms/LICM/sink_multiple_exits.ll diff --git a/test/Transforms/LICM/sink_multiple_exits.ll b/test/Transforms/LICM/sink_multiple_exits.ll new file mode 100644 index 00000000000..9d7d7f90906 --- /dev/null +++ b/test/Transforms/LICM/sink_multiple_exits.ll @@ -0,0 +1,22 @@ +; This testcase ensures that we can sink instructions from loops with +; multiple exits. +; +; RUN: llvm-as < %s | opt -licm | llvm-dis | grep -C1 mul | grep Out: + +int %test(int %N, bool %C) { +Entry: + br label %Loop +Loop: + %N_addr.0.pn = phi int [ %dec, %ContLoop ], [ %N, %Entry ] + %tmp.6 = mul int %N, %N_addr.0.pn + %tmp.7 = sub int %tmp.6, %N + %dec = add int %N_addr.0.pn, -1 + br bool %C, label %ContLoop, label %Out1 +ContLoop: + %tmp.1 = setne int %N_addr.0.pn, 1 + br bool %tmp.1, label %Loop, label %Out2 +Out1: + ret int %tmp.7 +Out2: + ret int %tmp.7 +} -- 2.34.1