; RUN: llc < %s -march=ppc32 ; The DAGCombiner leaves behind a dead node in this testcase. Currently ; ISel is ignoring dead nodes, though it would be preferable for ; DAGCombiner to be able to eliminate the dead node. define void @GrayATo32ARGBTabB(i8* %baseAddr, i16** %cmp, i32 %rowBytes) nounwind { entry: br label %bb1 bb1: ; preds = %bb1, %entry %0 = load i16, i16* null, align 2 ; <i16> [#uses=1] %1 = ashr i16 %0, 4 ; <i16> [#uses=1] %2 = sext i16 %1 to i32 ; <i32> [#uses=1] %3 = getelementptr i8, i8* null, i32 %2 ; <i8*> [#uses=1] %4 = load i8, i8* %3, align 1 ; <i8> [#uses=1] %5 = zext i8 %4 to i32 ; <i32> [#uses=1] %6 = shl i32 %5, 24 ; <i32> [#uses=1] %7 = or i32 0, %6 ; <i32> [#uses=1] store i32 %7, i32* null, align 4 br label %bb1 }