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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 22; RUN: opt -S -passes='print<scalar-evolution>,loop-unroll' -unroll-runtime < %s 2>/dev/null | FileCheck %s3 4define i32 @f(i1 %cond1) #0 !prof !0 {5; CHECK-LABEL: define i32 @f6; CHECK-SAME: (i1 [[COND1:%.*]]) {{.*}}{7; CHECK-NEXT: entry:8; CHECK-NEXT: br label [[LOOP1_PEEL_BEGIN:%.*]]9; CHECK: loop1.peel.begin:10; CHECK-NEXT: br label [[LOOP1_PEEL:%.*]]11; CHECK: loop1.peel:12; CHECK-NEXT: [[LD_PEEL:%.*]] = load i64, ptr null, align 813; CHECK-NEXT: br i1 [[COND1]], label [[LOOP1_PEEL_NEXT:%.*]], label [[EXIT1:%.*]], !prof [[PROF1:![0-9]+]]14; CHECK: loop1.peel.next:15; CHECK-NEXT: br label [[LOOP1_PEEL_NEXT1:%.*]]16; CHECK: loop1.peel.next1:17; CHECK-NEXT: br label [[ENTRY_PEEL_NEWPH:%.*]]18; CHECK: entry.peel.newph:19; CHECK-NEXT: br label [[LOOP1:%.*]]20; CHECK: loop1:21; CHECK-NEXT: [[LD:%.*]] = load i64, ptr null, align 822; CHECK-NEXT: br i1 [[COND1]], label [[LOOP1]], label [[EXIT1_LOOPEXIT:%.*]], !prof [[PROF1]], !llvm.loop [[LOOP2:![0-9]+]]23; CHECK: exit1.loopexit:24; CHECK-NEXT: [[LD_LCSSA_PH:%.*]] = phi i64 [ [[LD]], [[LOOP1]] ]25; CHECK-NEXT: br label [[EXIT1]]26; CHECK: exit1:27; CHECK-NEXT: [[LD_LCSSA:%.*]] = phi i64 [ [[LD_PEEL]], [[LOOP1_PEEL]] ], [ [[LD_LCSSA_PH]], [[EXIT1_LOOPEXIT]] ]28; CHECK-NEXT: br label [[ENTRY2:%.*]]29; CHECK: entry2:30; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[LD_LCSSA]], 131; CHECK-NEXT: [[XTRAITER:%.*]] = and i64 [[TMP0]], 732; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i64 [[LD_LCSSA]], 733; CHECK-NEXT: br i1 [[TMP1]], label [[LOOP2_EPIL_PREHEADER:%.*]], label [[ENTRY2_NEW:%.*]]34; CHECK: entry2.new:35; CHECK-NEXT: [[UNROLL_ITER:%.*]] = sub i64 [[TMP0]], [[XTRAITER]]36; CHECK-NEXT: br label [[LOOP2:%.*]]37; CHECK: loop2:38; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ 0, [[ENTRY2_NEW]] ], [ [[INC_7:%.*]], [[LOOP2]] ]39; CHECK-NEXT: [[NITER:%.*]] = phi i64 [ 0, [[ENTRY2_NEW]] ], [ [[NITER_NEXT_7:%.*]], [[LOOP2]] ]40; CHECK-NEXT: [[INC_7]] = add i64 [[PHI]], 841; CHECK-NEXT: [[NITER_NEXT_7]] = add i64 [[NITER]], 842; CHECK-NEXT: [[NITER_NCMP_7:%.*]] = icmp eq i64 [[NITER_NEXT_7]], [[UNROLL_ITER]]43; CHECK-NEXT: br i1 [[NITER_NCMP_7]], label [[EXIT2_UNR_LCSSA:%.*]], label [[LOOP2]]44; CHECK: exit2.unr-lcssa:45; CHECK-NEXT: [[PHI_UNR:%.*]] = phi i64 [ [[INC_7]], [[LOOP2]] ]46; CHECK-NEXT: [[LCMP_MOD:%.*]] = icmp ne i64 [[XTRAITER]], 047; CHECK-NEXT: br i1 [[LCMP_MOD]], label [[LOOP2_EPIL_PREHEADER]], label [[EXIT2:%.*]]48; CHECK: loop2.epil.preheader:49; CHECK-NEXT: [[PHI_EPIL_INIT:%.*]] = phi i64 [ 0, [[ENTRY2]] ], [ [[PHI_UNR]], [[EXIT2_UNR_LCSSA]] ]50; CHECK-NEXT: [[LCMP_MOD2:%.*]] = icmp ne i64 [[XTRAITER]], 051; CHECK-NEXT: call void @llvm.assume(i1 [[LCMP_MOD2]])52; CHECK-NEXT: br label [[LOOP2_EPIL:%.*]]53; CHECK: loop2.epil:54; CHECK-NEXT: [[PHI_EPIL:%.*]] = phi i64 [ [[PHI_EPIL_INIT]], [[LOOP2_EPIL_PREHEADER]] ], [ [[INC_EPIL:%.*]], [[LOOP2_EPIL]] ]55; CHECK-NEXT: [[EPIL_ITER:%.*]] = phi i64 [ 0, [[LOOP2_EPIL_PREHEADER]] ], [ [[EPIL_ITER_NEXT:%.*]], [[LOOP2_EPIL]] ]56; CHECK-NEXT: [[INC_EPIL]] = add i64 [[PHI_EPIL]], 157; CHECK-NEXT: [[COND2_EPIL:%.*]] = icmp eq i64 [[LD_LCSSA]], [[PHI_EPIL]]58; CHECK-NEXT: [[EPIL_ITER_NEXT]] = add i64 [[EPIL_ITER]], 159; CHECK-NEXT: [[EPIL_ITER_CMP:%.*]] = icmp ne i64 [[EPIL_ITER_NEXT]], [[XTRAITER]]60; CHECK-NEXT: br i1 [[EPIL_ITER_CMP]], label [[LOOP2_EPIL]], label [[EXIT2_EPILOG_LCSSA:%.*]], !llvm.loop [[LOOP6:![0-9]+]]61; CHECK: exit2.epilog-lcssa:62; CHECK-NEXT: br label [[EXIT2]]63; CHECK: exit2:64; CHECK-NEXT: ret i32 065;66entry:67 br label %loop168 69loop1:70 %ld = load i64, ptr null, align 871 br i1 %cond1, label %loop1, label %exit1, !prof !172 73exit1:74 br label %entry275 76entry2:77 br label %loop278 79loop2:80 %phi = phi i64 [ 0, %entry2 ], [ %inc, %loop2 ]81 %inc = add i64 %phi, 182 %cond2 = icmp eq i64 %ld, %phi83 br i1 %cond2, label %exit2, label %loop284 85exit2:86 ret i32 087}88 89!0 = !{!"function_entry_count", i64 1}90!1 = !{!"branch_weights", i32 123, i32 472}91