From 7d20fe3727a19be875eca577118b49ffef94eb04 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 3 Aug 2002 20:30:26 +0000 Subject: Testcase for stuff instcombine should do eventually git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3240 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../InstCombine/setcc-strength-reduce.ll | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 test/Transforms/InstCombine/setcc-strength-reduce.ll (limited to 'test/Transforms/InstCombine/setcc-strength-reduce.ll') diff --git a/test/Transforms/InstCombine/setcc-strength-reduce.ll b/test/Transforms/InstCombine/setcc-strength-reduce.ll new file mode 100644 index 0000000000..1018ca5b6e --- /dev/null +++ b/test/Transforms/InstCombine/setcc-strength-reduce.ll @@ -0,0 +1,24 @@ +; This test ensures that "strength reduction" of conditional expressions are +; working. Basically this boils down to converting setlt,gt,le,ge instructions +; into equivalent setne,eq instructions. +; + +; RUN: if as < %s | opt -instcombine | dis | grep -v seteq | grep -v setne | grep set +; RUN: then exit 1 +; RUN: else exit 0 +; RUN: fi + +bool "test1"(uint %A) { + %B = setge uint %A, 1 ; setne %A, 0 + ret bool %B +} + +bool "test2"(uint %A) { + %B = setgt uint %A, 0 ; setne %A, 0 + ret bool %B +} + +bool "test3"(sbyte %A) { + %B = setge sbyte %A, -127 ; setne %A, -128 + ret bool %B +} -- cgit v1.2.3