; RUN: llc < %s -march=x86 | grep shrl ; Bug in FindModifiedNodeSlot cause tmp14 load to become a zextload and shr 31 ; is then optimized away. @tree_code_type = external global [0 x i32] ; <[0 x i32]*> [#uses=1] define void @copy_if_shared_r() { %tmp = load i32, i32* null ; [#uses=1] %tmp56 = and i32 %tmp, 255 ; [#uses=1] %gep.upgrd.1 = zext i32 %tmp56 to i64 ; [#uses=1] %tmp8 = getelementptr [0 x i32], [0 x i32]* @tree_code_type, i32 0, i64 %gep.upgrd.1 ; [#uses=1] %tmp9 = load i32, i32* %tmp8 ; [#uses=1] %tmp10 = add i32 %tmp9, -1 ; [#uses=1] %tmp.upgrd.2 = icmp ugt i32 %tmp10, 2 ; [#uses=1] %tmp14 = load i32, i32* null ; [#uses=1] %tmp15 = lshr i32 %tmp14, 31 ; [#uses=1] %tmp15.upgrd.3 = trunc i32 %tmp15 to i8 ; [#uses=1] %tmp16 = icmp ne i8 %tmp15.upgrd.3, 0 ; [#uses=1] br i1 %tmp.upgrd.2, label %cond_false25, label %cond_true cond_true: ; preds = %0 br i1 %tmp16, label %cond_true17, label %cond_false cond_true17: ; preds = %cond_true ret void cond_false: ; preds = %cond_true ret void cond_false25: ; preds = %0 ret void }