1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2 ; RUN: opt -passes=irce -S < %s 2>&1 | FileCheck %s
4 ; Make sure we don't crash.
5 define void @pr89959() {
6 ; CHECK-LABEL: define void @pr89959() {
8 ; CHECK-NEXT: br label [[L3:%.*]]
10 ; CHECK-NEXT: [[VALUE_PHI:%.*]] = phi ptr [ null, [[TOP:%.*]] ], [ [[TMP0:%.*]], [[L13:%.*]] ]
11 ; CHECK-NEXT: [[TMP0]] = getelementptr i8, ptr [[VALUE_PHI]], i64 8
12 ; CHECK-NEXT: [[DOTNOT:%.*]] = icmp ule ptr [[VALUE_PHI]], null
13 ; CHECK-NEXT: br i1 [[DOTNOT]], label [[L13]], label [[L15:%.*]]
15 ; CHECK-NEXT: br label [[L3]]
17 ; CHECK-NEXT: ret void
23 %value_phi = phi ptr [ null, %top ], [ %0, %L13 ]
24 %0 = getelementptr i8, ptr %value_phi, i64 8
25 %.not = icmp ule ptr %value_phi, null
26 br i1 %.not, label %L13, label %L15