From: Bill Wendling Date: Wed, 29 Feb 2012 01:53:13 +0000 (+0000) Subject: Testcase for r151691. X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=37c02bce277078902924af897736d87bb0b106a0;p=oota-llvm.git Testcase for r151691. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151694 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/test/Transforms/InstCombine/2012-02-28-ICmp.ll b/test/Transforms/InstCombine/2012-02-28-ICmp.ll new file mode 100644 index 00000000000..82cf85fa4cd --- /dev/null +++ b/test/Transforms/InstCombine/2012-02-28-ICmp.ll @@ -0,0 +1,19 @@ +; RUN: opt < %s -instcombine -S | FileCheck %s +; + +; There should be no transformation. +; CHECK: %a = trunc i32 %x to i8 +; CHECK: %b = icmp ne i8 %a, 0 +; CHECK: %c = and i32 %x, 16711680 +; CHECK: %d = icmp ne i32 %c, 0 +; CHECK: %e = and i1 %b, %d +; CHECK: ret i1 %e + +define i1 @f1(i32 %x) { + %a = trunc i32 %x to i8 + %b = icmp ne i8 %a, 0 + %c = and i32 %x, 16711680 + %d = icmp ne i32 %c, 0 + %e = and i1 %b, %d + ret i1 %e +}