; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 4 ; RUN: opt -passes='print' -disable-output %s 2>&1 | FileCheck %s target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" declare void @llvm.assume(i1) ; FIXME: Currently we check all accesses to the same underlying objects, but ; it is sufficient to check the accesses to %A. define void @test_dependence_with_non_constant_offset_and_other_accesses_to_noalias_pointers(ptr %A, ptr noalias %B, i64 %off) { ; CHECK-LABEL: 'test_dependence_with_non_constant_offset_and_other_accesses_to_noalias_pointers' ; CHECK-NEXT: loop: ; CHECK-NEXT: Memory dependences are safe with run-time checks ; CHECK-NEXT: Dependences: ; CHECK-NEXT: Run-time memory checks: ; CHECK-NEXT: Check 0: ; CHECK-NEXT: Comparing group GRP0: ; CHECK-NEXT: %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv ; CHECK-NEXT: Against group GRP1: ; CHECK-NEXT: %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv ; CHECK-NEXT: Check 1: ; CHECK-NEXT: Comparing group GRP2: ; CHECK-NEXT: %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv ; CHECK-NEXT: Against group GRP3: ; CHECK-NEXT: %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next ; CHECK-NEXT: Grouped accesses: ; CHECK-NEXT: Group GRP0: ; CHECK-NEXT: (Low: (%off + %A) High: (404 + %off + %A)) ; CHECK-NEXT: Member: {(%off + %A),+,4}<%loop> ; CHECK-NEXT: Group GRP1: ; CHECK-NEXT: (Low: %A High: (101 + %A)) ; CHECK-NEXT: Member: {%A,+,1}<%loop> ; CHECK-NEXT: Group GRP2: ; CHECK-NEXT: (Low: %B High: (101 + %B)) ; CHECK-NEXT: Member: {%B,+,1}<%loop> ; CHECK-NEXT: Group GRP3: ; CHECK-NEXT: (Low: (1 + %B) High: (102 + %B)) ; CHECK-NEXT: Member: {(1 + %B),+,1}<%loop> ; CHECK-EMPTY: ; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop. ; CHECK-NEXT: SCEV assumptions: ; CHECK-EMPTY: ; CHECK-NEXT: Expressions re-written: ; entry: %c = icmp sgt i64 %off, 0 call void @llvm.assume(i1 %c) %A.off = getelementptr inbounds i8, ptr %A, i64 %off br label %loop loop: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv %l = load i8, ptr %gep.A, align 1 %ext = zext i8 %l to i32 store i32 %ext, ptr %gep.A.400, align 4 %iv.next = add nuw nsw i64 %iv, 1 %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next %l.2 = load i8, ptr %gep.B.1 %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv store i8 %l.2, ptr %gep.B %ec = icmp eq i64 %iv, 100 br i1 %ec, label %exit, label %loop exit: ret void } define void @test_dependence_with_non_constant_offset_and_other_accesses_to_mayalias_pointers(ptr %A, ptr %B, i64 %off) { ; CHECK-LABEL: 'test_dependence_with_non_constant_offset_and_other_accesses_to_mayalias_pointers' ; CHECK-NEXT: loop: ; CHECK-NEXT: Memory dependences are safe with run-time checks ; CHECK-NEXT: Dependences: ; CHECK-NEXT: Run-time memory checks: ; CHECK-NEXT: Check 0: ; CHECK-NEXT: Comparing group GRP0: ; CHECK-NEXT: %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv ; CHECK-NEXT: Against group GRP1: ; CHECK-NEXT: %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv ; CHECK-NEXT: Check 1: ; CHECK-NEXT: Comparing group GRP0: ; CHECK-NEXT: %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv ; CHECK-NEXT: Against group GRP2: ; CHECK-NEXT: %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv ; CHECK-NEXT: Check 2: ; CHECK-NEXT: Comparing group GRP0: ; CHECK-NEXT: %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv ; CHECK-NEXT: Against group GRP3: ; CHECK-NEXT: %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next ; CHECK-NEXT: Check 3: ; CHECK-NEXT: Comparing group GRP1: ; CHECK-NEXT: %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv ; CHECK-NEXT: Against group GRP2: ; CHECK-NEXT: %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv ; CHECK-NEXT: Check 4: ; CHECK-NEXT: Comparing group GRP1: ; CHECK-NEXT: %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv ; CHECK-NEXT: Against group GRP3: ; CHECK-NEXT: %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next ; CHECK-NEXT: Grouped accesses: ; CHECK-NEXT: Group GRP0: ; CHECK-NEXT: (Low: (%off + %A) High: (404 + %off + %A)) ; CHECK-NEXT: Member: {(%off + %A),+,4}<%loop> ; CHECK-NEXT: Group GRP1: ; CHECK-NEXT: (Low: %B High: (101 + %B)) ; CHECK-NEXT: Member: {%B,+,1}<%loop> ; CHECK-NEXT: Group GRP2: ; CHECK-NEXT: (Low: %A High: (101 + %A)) ; CHECK-NEXT: Member: {%A,+,1}<%loop> ; CHECK-NEXT: Group GRP3: ; CHECK-NEXT: (Low: (1 + %B) High: (102 + %B)) ; CHECK-NEXT: Member: {(1 + %B),+,1}<%loop> ; CHECK-EMPTY: ; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop. ; CHECK-NEXT: SCEV assumptions: ; CHECK-EMPTY: ; CHECK-NEXT: Expressions re-written: ; entry: %c = icmp sgt i64 %off, 0 call void @llvm.assume(i1 %c) %A.off = getelementptr inbounds i8, ptr %A, i64 %off br label %loop loop: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv %l = load i8, ptr %gep.A, align 1 %ext = zext i8 %l to i32 store i32 %ext, ptr %gep.A.400, align 4 %iv.next = add nuw nsw i64 %iv, 1 %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next %l.2 = load i8, ptr %gep.B.1 %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv store i8 %l.2, ptr %gep.B %ec = icmp eq i64 %iv, 100 br i1 %ec, label %exit, label %loop exit: ret void }