Add a priority queue class, which is a wrapper around std::priority_queue

[oota-llvm.git] / test / Transforms / InstCombine / 2006-11-10-ashr-miscompile.ll

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep lshr
; Verify this is not turned into -1.

define i32 @test(i8 %amt) {
        %shift.upgrd.1 = zext i8 %amt to i32            ; <i32> [#uses=1]
        %B = lshr i32 -1, %shift.upgrd.1                ; <i32> [#uses=1]
        ret i32 %B
}