| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -lsr-complexity-limit=50 -loop-reduce -S %s | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @overflow1(i64 %a) { |
| ; CHECK-LABEL: @overflow1( |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[A:%.*]], -1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[A]], -9223372036854775808 |
| ; CHECK-NEXT: br label [[BB1:%.*]] |
| ; CHECK: bb1: |
| ; CHECK-NEXT: [[LSR_IV1:%.*]] = phi i64 [ [[LSR_IV_NEXT2:%.*]], [[BB1]] ], [ [[TMP1]], [[BB:%.*]] ] |
| ; CHECK-NEXT: [[LSR_IV:%.*]] = phi i64 [ [[LSR_IV_NEXT:%.*]], [[BB1]] ], [ [[TMP0]], [[BB]] ] |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp ne i64 [[LSR_IV1]], 0 |
| ; CHECK-NEXT: [[TMP5:%.*]] = and i1 [[TMP4]], true |
| ; CHECK-NEXT: [[LSR_IV_NEXT]] = add i64 [[LSR_IV]], 1 |
| ; CHECK-NEXT: [[LSR_IV_NEXT2]] = add i64 [[LSR_IV1]], 1 |
| ; CHECK-NEXT: br i1 [[TMP5]], label [[BB1]], label [[BB7:%.*]] |
| ; CHECK: bb7: |
| ; CHECK-NEXT: [[TMP9:%.*]] = and i64 [[LSR_IV_NEXT]], 1 |
| ; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 0 |
| ; CHECK-NEXT: unreachable |
| ; |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb1, %bb |
| %tmp = phi i64 [ %a, %bb ], [ %tmp6, %bb1 ] |
| %tmp4 = icmp ne i64 %tmp, -9223372036854775808 |
| %tmp5 = and i1 %tmp4, 1 |
| %tmp6 = add i64 %tmp, 1 |
| br i1 %tmp5, label %bb1, label %bb7 |
| |
| bb7: ; preds = %bb1 |
| %tmp9 = and i64 %tmp, 1 |
| %tmp10 = icmp eq i64 %tmp9, 0 |
| unreachable |
| } |
