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1; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32--2 3; The DAGCombiner leaves behind a dead node in this testcase. Currently4; ISel is ignoring dead nodes, though it would be preferable for5; DAGCombiner to be able to eliminate the dead node.6 7define void @GrayATo32ARGBTabB(ptr %baseAddr, ptr %cmp, i32 %rowBytes) nounwind {8entry:9 br label %bb110 11bb1: ; preds = %bb1, %entry12 %0 = load i16, ptr null, align 2 ; <i16> [#uses=1]13 %1 = ashr i16 %0, 4 ; <i16> [#uses=1]14 %2 = sext i16 %1 to i32 ; <i32> [#uses=1]15 %3 = getelementptr i8, ptr null, i32 %2 ; <ptr> [#uses=1]16 %4 = load i8, ptr %3, align 1 ; <i8> [#uses=1]17 %5 = zext i8 %4 to i32 ; <i32> [#uses=1]18 %6 = shl i32 %5, 24 ; <i32> [#uses=1]19 %7 = or i32 0, %6 ; <i32> [#uses=1]20 store i32 %7, ptr null, align 421 br label %bb122}23