; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 2 ; RUN: opt -passes='print' -disable-output %s 2>&1 | FileCheck %s define i64 @alloca_non_null() { ; CHECK-LABEL: 'alloca_non_null' ; CHECK-NEXT: Classifying expressions for: @alloca_non_null ; CHECK-NEXT: %alloca = alloca i32, align 4 ; CHECK-NEXT: --> %alloca U: [4,-7) S: [-9223372036854775808,9223372036854775805) ; CHECK-NEXT: %int = ptrtoint ptr %alloca to i64 ; CHECK-NEXT: --> (ptrtoint ptr %alloca to i64) U: [4,-7) S: [-9223372036854775808,9223372036854775805) ; CHECK-NEXT: Determining loop execution counts for: @alloca_non_null ; %alloca = alloca i32, align 4 %int = ptrtoint ptr %alloca to i64 ret i64 %int } define i64 @alloca_maybe_null() { ; CHECK-LABEL: 'alloca_maybe_null' ; CHECK-NEXT: Classifying expressions for: @alloca_maybe_null ; CHECK-NEXT: %alloca = alloca i32, align 4, addrspace(1) ; CHECK-NEXT: --> %alloca U: [0,-7) S: [-9223372036854775808,9223372036854775805) ; CHECK-NEXT: %int = ptrtoint ptr addrspace(1) %alloca to i64 ; CHECK-NEXT: --> (ptrtoint ptr addrspace(1) %alloca to i64) U: [0,-7) S: [-9223372036854775808,9223372036854775805) ; CHECK-NEXT: Determining loop execution counts for: @alloca_maybe_null ; %alloca = alloca i32, align 4, addrspace(1) %int = ptrtoint ptr addrspace(1) %alloca to i64 ret i64 %int } define void @alloca_icmp_null_exit_count() { ; CHECK-LABEL: 'alloca_icmp_null_exit_count' ; CHECK-NEXT: Classifying expressions for: @alloca_icmp_null_exit_count ; CHECK-NEXT: %alloca = alloca [3 x i32], align 4 ; CHECK-NEXT: --> %alloca U: [4,-15) S: [-9223372036854775808,9223372036854775805) ; CHECK-NEXT: %alloca.end = getelementptr inbounds i32, ptr %alloca, i64 3 ; CHECK-NEXT: --> (12 + %alloca) U: [16,-3) S: [-9223372036854775808,9223372036854775805) ; CHECK-NEXT: %ptr = phi ptr [ %ptr.next, %loop ], [ %alloca, %entry ] ; CHECK-NEXT: --> {%alloca,+,4}<%loop> U: [4,-7) S: [-9223372036854775808,9223372036854775805) Exits: (8 + %alloca) LoopDispositions: { %loop: Computable } ; CHECK-NEXT: %ptr.next = getelementptr i32, ptr %ptr, i64 1 ; CHECK-NEXT: --> {(4 + %alloca),+,4}<%loop> U: [8,-3) S: [-9223372036854775808,9223372036854775805) Exits: (12 + %alloca) LoopDispositions: { %loop: Computable } ; CHECK-NEXT: %and = and i1 %cmp1, %cmp2 ; CHECK-NEXT: --> (%cmp2 umin %cmp1) U: full-set S: full-set Exits: <> LoopDispositions: { %loop: Variant } ; CHECK-NEXT: Determining loop execution counts for: @alloca_icmp_null_exit_count ; CHECK-NEXT: Loop %loop: backedge-taken count is 2 ; CHECK-NEXT: Loop %loop: constant max backedge-taken count is 2 ; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is 2 ; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is 2 ; CHECK-NEXT: Predicates: ; CHECK-NEXT: Loop %loop: Trip multiple is 3 ; entry: %alloca = alloca [3 x i32], align 4 %alloca.end = getelementptr inbounds i32, ptr %alloca, i64 3 br label %loop loop: %ptr = phi ptr [ %ptr.next, %loop ], [ %alloca, %entry ] %ptr.next = getelementptr i32, ptr %ptr, i64 1 %cmp1 = icmp ne ptr %ptr.next, %alloca.end %cmp2 = icmp ne ptr %ptr.next, null %and = and i1 %cmp1, %cmp2 br i1 %and, label %loop, label %exit exit: ret void }