1 ; RUN: opt -S -licm -loop-unswitch < %s | FileCheck %s 2 3 ; This test checks for a crash. See PR32587. 4 5 @global = external global i32 6 7 declare i32 @f_1(i8, i32 returned) 8 9 define i32 @f_0() { 10 ; CHECK-LABEL: @f_0( 11 bb: 12 br label %bb1 13 14 bb1: ; preds = %bb3, %bb 15 %tmp = load i32, i32* @global 16 %tmp2 = select i1 false, i16 1, i16 0 17 br label %bb3 18 19 bb3: ; preds = %bb3, %bb1 20 %tmp4 = phi i8 [ 0, %bb1 ], [ %tmp6, %bb3 ] 21 %tmp5 = icmp eq i16 %tmp2, 0 22 %tmp6 = select i1 %tmp5, i8 %tmp4, i8 1 23 %tmp7 = tail call i32 @f_1(i8 %tmp6, i32 1) 24 br i1 false, label %bb1, label %bb3 25 } 26
