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1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 22; RUN: opt -passes='print<scalar-evolution>' -disable-output %s 2>&1 | FileCheck %s3 4define i64 @alloca_non_null() {5; CHECK-LABEL: 'alloca_non_null'6; CHECK-NEXT: Classifying expressions for: @alloca_non_null7; CHECK-NEXT: %alloca = alloca i32, align 48; CHECK-NEXT: --> %alloca U: [4,-7) S: [-9223372036854775808,9223372036854775805)9; CHECK-NEXT: %int = ptrtoint ptr %alloca to i6410; CHECK-NEXT: --> (ptrtoint ptr %alloca to i64) U: [4,-7) S: [-9223372036854775808,9223372036854775805)11; CHECK-NEXT: Determining loop execution counts for: @alloca_non_null12;13 %alloca = alloca i32, align 414 %int = ptrtoint ptr %alloca to i6415 ret i64 %int16}17 18define i64 @alloca_maybe_null() {19; CHECK-LABEL: 'alloca_maybe_null'20; CHECK-NEXT: Classifying expressions for: @alloca_maybe_null21; CHECK-NEXT: %alloca = alloca i32, align 4, addrspace(1)22; CHECK-NEXT: --> %alloca U: [0,-7) S: [-9223372036854775808,9223372036854775805)23; CHECK-NEXT: %int = ptrtoint ptr addrspace(1) %alloca to i6424; CHECK-NEXT: --> (ptrtoint ptr addrspace(1) %alloca to i64) U: [0,-7) S: [-9223372036854775808,9223372036854775805)25; CHECK-NEXT: Determining loop execution counts for: @alloca_maybe_null26;27 %alloca = alloca i32, align 4, addrspace(1)28 %int = ptrtoint ptr addrspace(1) %alloca to i6429 ret i64 %int30}31 32define void @alloca_icmp_null_exit_count() {33; CHECK-LABEL: 'alloca_icmp_null_exit_count'34; CHECK-NEXT: Classifying expressions for: @alloca_icmp_null_exit_count35; CHECK-NEXT: %alloca = alloca [3 x i32], align 436; CHECK-NEXT: --> %alloca U: [4,-15) S: [-9223372036854775808,9223372036854775805)37; CHECK-NEXT: %alloca.end = getelementptr inbounds i32, ptr %alloca, i64 338; CHECK-NEXT: --> (12 + %alloca)<nuw> U: [16,-3) S: [-9223372036854775808,9223372036854775805)39; CHECK-NEXT: %ptr = phi ptr [ %ptr.next, %loop ], [ %alloca, %entry ]40; CHECK-NEXT: --> {%alloca,+,4}<nuw><%loop> U: [4,-7) S: [-9223372036854775808,9223372036854775805) Exits: (8 + %alloca)<nuw> LoopDispositions: { %loop: Computable }41; CHECK-NEXT: %ptr.next = getelementptr i32, ptr %ptr, i64 142; CHECK-NEXT: --> {(4 + %alloca)<nuw>,+,4}<nuw><%loop> U: [8,-3) S: [-9223372036854775808,9223372036854775805) Exits: (12 + %alloca)<nuw> LoopDispositions: { %loop: Computable }43; CHECK-NEXT: %and = and i1 %cmp1, %cmp244; CHECK-NEXT: --> (%cmp2 umin %cmp1) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop: Variant }45; CHECK-NEXT: Determining loop execution counts for: @alloca_icmp_null_exit_count46; CHECK-NEXT: Loop %loop: backedge-taken count is i64 247; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i64 248; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is i64 249; CHECK-NEXT: Loop %loop: Trip multiple is 350;51entry:52 %alloca = alloca [3 x i32], align 453 %alloca.end = getelementptr inbounds i32, ptr %alloca, i64 354 br label %loop55 56loop:57 %ptr = phi ptr [ %ptr.next, %loop ], [ %alloca, %entry ]58 %ptr.next = getelementptr i32, ptr %ptr, i64 159 %cmp1 = icmp ne ptr %ptr.next, %alloca.end60 %cmp2 = icmp ne ptr %ptr.next, null61 %and = and i1 %cmp1, %cmp262 br i1 %and, label %loop, label %exit63 64exit:65 ret void66}67