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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(loop-unroll-full)' -verify-scev < %s 2>/dev/null | FileCheck %s3 4define i32 @test(ptr %arg) {5; CHECK-LABEL: define i32 @test6; CHECK-SAME: (ptr [[ARG:%.*]]) {7; CHECK-NEXT: entry:8; CHECK-NEXT: br label [[LOOP_PEEL_BEGIN:%.*]]9; CHECK: loop.peel.begin:10; CHECK-NEXT: br label [[LOOP_PEEL:%.*]]11; CHECK: loop.peel:12; CHECK-NEXT: [[LOAD_PEEL:%.*]] = load i32, ptr null, align 413; CHECK-NEXT: br i1 false, label [[LOOP_EXIT:%.*]], label [[LOOP_LATCH_PEEL:%.*]]14; CHECK: loop.latch.peel:15; CHECK-NEXT: br i1 false, label [[LOOP_EXIT]], label [[LOOP_PEEL_NEXT:%.*]]16; CHECK: loop.peel.next:17; CHECK-NEXT: br label [[LOOP_PEEL_NEXT1:%.*]]18; CHECK: loop.peel.next1:19; CHECK-NEXT: br label [[ENTRY_PEEL_NEWPH:%.*]]20; CHECK: entry.peel.newph:21; CHECK-NEXT: br label [[LOOP:%.*]]22; CHECK: loop:23; CHECK-NEXT: [[LOAD:%.*]] = load i32, ptr null, align 424; CHECK-NEXT: br i1 false, label [[LOOP_EXIT_LOOPEXIT:%.*]], label [[LOOP_LATCH:%.*]]25; CHECK: loop.latch:26; CHECK-NEXT: br i1 false, label [[LOOP_EXIT_LOOPEXIT]], label [[LOOP]], !llvm.loop [[LOOP0:![0-9]+]]27; CHECK: loop.exit.loopexit:28; CHECK-NEXT: [[EXITVAL_PH:%.*]] = phi i32 [ [[LOAD]], [[LOOP]] ], [ 0, [[LOOP_LATCH]] ]29; CHECK-NEXT: br label [[LOOP_EXIT]]30; CHECK: loop.exit:31; CHECK-NEXT: [[EXITVAL:%.*]] = phi i32 [ [[LOAD_PEEL]], [[LOOP_PEEL]] ], [ 0, [[LOOP_LATCH_PEEL]] ], [ [[EXITVAL_PH]], [[LOOP_EXIT_LOOPEXIT]] ]32; CHECK-NEXT: ret i32 [[EXITVAL]]33;34entry:35 br label %loop36 37loop:38 %iv = phi ptr [ %arg, %loop.latch ], [ null, %entry ]39 %load = load i32, ptr null, align 440 br i1 false, label %loop.exit, label %loop.latch41 42loop.latch:43 br i1 false, label %loop.exit, label %loop44 45loop.exit:46 %exitval = phi i32 [ 0, %loop.latch ], [ %load, %loop ]47 ret i32 %exitval48}49