; RUN: opt < %s -passes=instcombine -disable-output target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128" target triple = "powerpc-unknown-linux-gnu" define i32 @test() { entry: %tmp50.i17 = icmp slt i32 0, 4 ; <i1> [#uses=1] br i1 %tmp50.i17, label %bb.i, label %calculateColorSpecificBlackLevel.exit bb.i: ; preds = %entry br label %bb51.i.i bb27.i.i: ; preds = %bb51.i.i %tmp31.i.i = load i16, i16* null, align 2 ; <i16> [#uses=2] %tmp35.i.i = icmp ult i16 %tmp31.i.i, 1 ; <i1> [#uses=1] %tmp41.i.i = icmp ugt i16 %tmp31.i.i, -1 ; <i1> [#uses=1] %bothcond.i.i = or i1 %tmp35.i.i, %tmp41.i.i ; <i1> [#uses=1] %bothcond1.i.i = zext i1 %bothcond.i.i to i32 ; <i32> [#uses=1] %tmp46.i.i = xor i32 %bothcond1.i.i, 1 ; <i32> [#uses=1] %count.0.i.i = add i32 %count.1.i.i, %tmp46.i.i ; <i32> [#uses=1] %tmp50.i.i = add i32 %x.0.i.i, 2 ; <i32> [#uses=1] br label %bb51.i.i bb51.i.i: ; preds = %bb27.i.i, %bb.i %count.1.i.i = phi i32 [ %count.0.i.i, %bb27.i.i ], [ 0, %bb.i ] ; <i32> [#uses=1] %x.0.i.i = phi i32 [ %tmp50.i.i, %bb27.i.i ], [ 0, %bb.i ] ; <i32> [#uses=2] %tmp54.i.i = icmp slt i32 %x.0.i.i, 0 ; <i1> [#uses=1] br i1 %tmp54.i.i, label %bb27.i.i, label %bb57.i.i bb57.i.i: ; preds = %bb51.i.i ret i32 0 calculateColorSpecificBlackLevel.exit: ; preds = %entry ret i32 undef }