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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=i686-- | FileCheck %s3; Bug in FindModifiedNodeSlot cause tmp14 load to become a zextload and shr 314; is then optimized away.5@tree_code_type = external dso_local global [0 x i32] ; <ptr> [#uses=1]6 7define void @copy_if_shared_r() {8; CHECK-LABEL: copy_if_shared_r:9; CHECK: # %bb.0:10; CHECK-NEXT: movl 0, %eax11; CHECK-NEXT: movzbl %al, %ecx12; CHECK-NEXT: movl tree_code_type(,%ecx,4), %ecx13; CHECK-NEXT: decl %ecx14; CHECK-NEXT: cmpl $2, %ecx15; CHECK-NEXT: ja .LBB0_216; CHECK-NEXT: # %bb.1: # %cond_true17; CHECK-NEXT: shrl $31, %eax18; CHECK-NEXT: testb %al, %al19; CHECK-NEXT: .LBB0_2: # %cond_true1720; CHECK-NEXT: retl21 %tmp = load i32, ptr null ; <i32> [#uses=1]22 %tmp56 = and i32 %tmp, 255 ; <i32> [#uses=1]23 %gep.upgrd.1 = zext i32 %tmp56 to i64 ; <i64> [#uses=1]24 %tmp8 = getelementptr [0 x i32], ptr @tree_code_type, i32 0, i64 %gep.upgrd.1 ; <ptr> [#uses=1]25 %tmp9 = load i32, ptr %tmp8 ; <i32> [#uses=1]26 %tmp10 = add i32 %tmp9, -1 ; <i32> [#uses=1]27 %tmp.upgrd.2 = icmp ugt i32 %tmp10, 2 ; <i1> [#uses=1]28 %tmp14 = load i32, ptr null ; <i32> [#uses=1]29 %tmp15 = lshr i32 %tmp14, 31 ; <i32> [#uses=1]30 %tmp15.upgrd.3 = trunc i32 %tmp15 to i8 ; <i8> [#uses=1]31 %tmp16 = icmp ne i8 %tmp15.upgrd.3, 0 ; <i1> [#uses=1]32 br i1 %tmp.upgrd.2, label %cond_false25, label %cond_true33cond_true: ; preds = %034 br i1 %tmp16, label %cond_true17, label %cond_false35cond_true17: ; preds = %cond_true36 ret void37cond_false: ; preds = %cond_true38 ret void39cond_false25: ; preds = %040 ret void41}42 43