| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -slp-vectorizer -S < %s -mtriple=x86_64-unknown-linux -mcpu=corei7-avx | FileCheck %s |
| |
| define i32 @crash_reordering_undefs() { |
| ; CHECK-LABEL: @crash_reordering_undefs( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[OR0:%.*]] = or i64 undef, undef |
| ; CHECK-NEXT: [[CMP0:%.*]] = icmp eq i64 undef, [[OR0]] |
| ; CHECK-NEXT: [[ADD0:%.*]] = select i1 [[CMP0]], i32 65536, i32 65537 |
| ; CHECK-NEXT: [[ADD1:%.*]] = add i32 undef, [[ADD0]] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i64 undef, undef |
| ; CHECK-NEXT: [[ADD2:%.*]] = select i1 [[CMP1]], i32 65536, i32 65537 |
| ; CHECK-NEXT: [[ADD3:%.*]] = add i32 [[ADD1]], [[ADD2]] |
| ; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i64 undef, undef |
| ; CHECK-NEXT: [[ADD4:%.*]] = select i1 [[CMP2]], i32 65536, i32 65537 |
| ; CHECK-NEXT: [[ADD5:%.*]] = add i32 [[ADD3]], [[ADD4]] |
| ; CHECK-NEXT: [[ADD6:%.*]] = add i32 [[ADD5]], undef |
| ; CHECK-NEXT: [[ADD7:%.*]] = add i32 [[ADD6]], undef |
| ; CHECK-NEXT: [[ADD8:%.*]] = add i32 [[ADD7]], undef |
| ; CHECK-NEXT: [[OR1:%.*]] = or i64 undef, undef |
| ; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i64 undef, [[OR1]] |
| ; CHECK-NEXT: [[ADD9:%.*]] = select i1 [[CMP3]], i32 65536, i32 65537 |
| ; CHECK-NEXT: [[ADD10:%.*]] = add i32 [[ADD8]], [[ADD9]] |
| ; CHECK-NEXT: [[ADD11:%.*]] = add i32 [[ADD10]], undef |
| ; CHECK-NEXT: ret i32 [[ADD11]] |
| ; |
| entry: |
| %or0 = or i64 undef, undef |
| %cmp0 = icmp eq i64 undef, %or0 |
| %add0 = select i1 %cmp0, i32 65536, i32 65537 |
| %add1 = add i32 undef, %add0 |
| %cmp1 = icmp eq i64 undef, undef |
| %add2 = select i1 %cmp1, i32 65536, i32 65537 |
| %add3 = add i32 %add1, %add2 |
| %cmp2 = icmp eq i64 undef, undef |
| %add4 = select i1 %cmp2, i32 65536, i32 65537 |
| %add5 = add i32 %add3, %add4 |
| %add6 = add i32 %add5, undef |
| %add7 = add i32 %add6, undef |
| %add8 = add i32 %add7, undef |
| %or1 = or i64 undef, undef |
| %cmp3 = icmp eq i64 undef, %or1 |
| %add9 = select i1 %cmp3, i32 65536, i32 65537 |
| %add10 = add i32 %add8, %add9 |
| %add11 = add i32 %add10, undef |
| ret i32 %add11 |
| } |