; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 ; RUN: opt -S -passes='print,loop(loop-unroll-full,indvars)' < %s 2>/dev/null | FileCheck %s @g = constant [5 x i32] [i32 0, i32 1, i32 2, i32 3, i32 4] declare void @use(i32) define void @test() { ; CHECK-LABEL: define void @test() { ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: br label [[LOOP2:%.*]] ; CHECK: loop2: ; CHECK-NEXT: br i1 false, label [[LOOP2]], label [[LOOP_LATCH:%.*]], !llvm.loop [[LOOP0:![0-9]+]] ; CHECK: loop.latch: ; CHECK-NEXT: call void @use(i32 3) ; CHECK-NEXT: br label [[LOOP2_1:%.*]] ; CHECK: loop2.1: ; CHECK-NEXT: br i1 false, label [[LOOP2_1]], label [[LOOP_LATCH_1:%.*]], !llvm.loop [[LOOP0]] ; CHECK: loop.latch.1: ; CHECK-NEXT: call void @use(i32 4) ; CHECK-NEXT: ret void ; entry: br label %loop loop: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ] %iv.next = add i64 %iv, 1 br label %loop2 loop2: %iv2 = phi i64 [ 0, %loop ], [ %iv2.next, %loop2 ] %iv2.next = add i64 %iv2, 1 %idx = add i64 %iv, %iv2 %gep = getelementptr i32, ptr @g, i64 %idx %load = load i32, ptr %gep %cmp2 = icmp ne i64 %iv2, 3 br i1 %cmp2, label %loop2, label %loop.latch, !llvm.loop !0 loop.latch: %load.lcssa = phi i32 [ %load, %loop2 ] call void @use(i32 %load) %cmp = icmp ne i64 %iv, 1 br i1 %cmp, label %loop, label %exit exit: ret void } !0 = distinct !{!0, !1} !1 = !{!"llvm.loop.unroll.disable", i1 true}