1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s 3 4target datalayout = "p:128:64" 5 6; Test for 128 bit pointers. At the moment, constraints only support signed i64 offsets. 7define i1 @gep_decomp_large_index_63_bits(ptr %a) { 8; CHECK-LABEL: @gep_decomp_large_index_63_bits( 9; CHECK-NEXT: entry: 10; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 9223372036854775804 11; CHECK-NEXT: [[GEP_2:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 9223372036854775805 12; CHECK-NEXT: [[NE:%.*]] = icmp ne ptr [[GEP_1]], [[GEP_2]] 13; CHECK-NEXT: call void @llvm.assume(i1 [[NE]]) 14; CHECK-NEXT: [[CMP_ULE:%.*]] = icmp ule ptr [[GEP_1]], [[GEP_2]] 15; CHECK-NEXT: [[CMP_UGE:%.*]] = icmp uge ptr [[GEP_1]], [[GEP_2]] 16; CHECK-NEXT: [[RES:%.*]] = xor i1 [[CMP_ULE]], [[CMP_ULE]] 17; CHECK-NEXT: ret i1 [[RES]] 18; 19entry: 20 %gep.1 = getelementptr inbounds i64, ptr %a, i64 9223372036854775804 21 %gep.2 = getelementptr inbounds i64, ptr %a, i64 9223372036854775805 22 %ne = icmp ne ptr %gep.1, %gep.2 23 call void @llvm.assume(i1 %ne) 24 %cmp.ule = icmp ule ptr %gep.1, %gep.2 25 %cmp.uge = icmp uge ptr %gep.1, %gep.2 26 %res = xor i1 %cmp.ule, %cmp.ule 27 ret i1 %res 28} 29 30define i1 @gep_decomp_large_index_67_bits(ptr %a) { 31; CHECK-LABEL: @gep_decomp_large_index_67_bits( 32; CHECK-NEXT: entry: 33; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i128 147573952589676412928 34; CHECK-NEXT: [[GEP_2:%.*]] = getelementptr inbounds i64, ptr [[A]], i128 147573952589676412929 35; CHECK-NEXT: [[NE:%.*]] = icmp ne ptr [[GEP_1]], [[GEP_2]] 36; CHECK-NEXT: call void @llvm.assume(i1 [[NE]]) 37; CHECK-NEXT: [[CMP_ULE:%.*]] = icmp ule ptr [[GEP_1]], [[GEP_2]] 38; CHECK-NEXT: [[CMP_UGE:%.*]] = icmp uge ptr [[GEP_1]], [[GEP_2]] 39; CHECK-NEXT: [[RES:%.*]] = xor i1 [[CMP_ULE]], [[CMP_UGE]] 40; CHECK-NEXT: ret i1 [[RES]] 41; 42entry: 43 %gep.1 = getelementptr inbounds i64, ptr %a, i128 147573952589676412928 44 %gep.2 = getelementptr inbounds i64, ptr %a, i128 147573952589676412929 45 %ne = icmp ne ptr %gep.1, %gep.2 46 call void @llvm.assume(i1 %ne) 47 %cmp.ule = icmp ule ptr %gep.1, %gep.2 48 %cmp.uge = icmp uge ptr %gep.1, %gep.2 49 %res = xor i1 %cmp.ule, %cmp.uge 50 ret i1 %res 51} 52 53declare void @llvm.assume(i1) 54