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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt -p loop-unroll -unroll-full-max-count=0 -S %s | FileCheck %s3 4declare void @foo()5 6define void @test_peel_last_pointer_induction(ptr %src, i64 %offset) {7; CHECK-LABEL: define void @test_peel_last_pointer_induction(8; CHECK-SAME: ptr [[SRC:%.*]], i64 [[OFFSET:%.*]]) {9; CHECK-NEXT: [[ENTRY:.*]]:10; CHECK-NEXT: [[END:%.*]] = getelementptr i8, ptr [[SRC]], i64 [[OFFSET]]11; CHECK-NEXT: br label %[[LOOP_HEADER:.*]]12; CHECK: [[LOOP_HEADER]]:13; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[SRC]], %[[ENTRY]] ], [ [[PTR_IV_NEXT:%.*]], %[[LOOP_LATCH:.*]] ]14; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr nusw i8, ptr [[PTR_IV]], i64 115; CHECK-NEXT: [[CMP3_NOT:%.*]] = icmp eq ptr [[PTR_IV_NEXT]], [[END]]16; CHECK-NEXT: br i1 [[CMP3_NOT]], label %[[LOOP_LATCH]], label %[[THEN:.*]]17; CHECK: [[THEN]]:18; CHECK-NEXT: call void @foo()19; CHECK-NEXT: br label %[[LOOP_LATCH]]20; CHECK: [[LOOP_LATCH]]:21; CHECK-NEXT: [[EC:%.*]] = icmp eq ptr [[PTR_IV_NEXT]], [[END]]22; CHECK-NEXT: br i1 [[EC]], label %[[EXIT:.*]], label %[[LOOP_HEADER]]23; CHECK: [[EXIT]]:24; CHECK-NEXT: ret void25;26entry:27 %end = getelementptr i8, ptr %src, i64 %offset28 br label %loop.header29 30loop.header:31 %ptr.iv = phi ptr [ %src, %entry ], [ %ptr.iv.next, %loop.latch ]32 %ptr.iv.next = getelementptr nusw i8, ptr %ptr.iv, i64 133 %cmp3.not = icmp eq ptr %ptr.iv.next, %end34 br i1 %cmp3.not, label %loop.latch, label %then35 36then:37 call void @foo()38 br label %loop.latch39 40loop.latch:41 %ec = icmp eq ptr %ptr.iv.next, %end42 br i1 %ec, label %exit, label %loop.header43 44exit:45 ret void46}47