llvm/test/Transforms/InstCombine/2008-06-21-CompareMiscomp.ll
Eli Friedman 5c1f172213 Fix for PR2479: correctly optimize expressions like (a > 13) & (a ==
15).

See also PR1800, which is about the signed case.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52608 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-21 23:36:13 +00:00

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LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {icmp eq i32 %In, 15}
; PR2479
; (See also PR1800.)
define i1 @test(i32 %In) {
%c1 = icmp ugt i32 %In, 13
%c2 = icmp eq i32 %In, 15
%V = and i1 %c1, %c2
ret i1 %V
}