1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=indvars -o - %s | FileCheck %s 3target datalayout = "e-p:32:32:32-p1:64:64:64-p2:8:8:8-p3:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-n8:16:32:64" 4 5; Derived from ptriv in lftr-reuse.ll 6define void @ptriv_as2(ptr addrspace(2) %base, i32 %n) nounwind { 7; CHECK-LABEL: @ptriv_as2( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: [[IDX_TRUNC:%.*]] = trunc i32 [[N:%.*]] to i8 10; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, ptr addrspace(2) [[BASE:%.*]], i8 [[IDX_TRUNC]] 11; CHECK-NEXT: [[CMP1:%.*]] = icmp ult ptr addrspace(2) [[BASE]], [[ADD_PTR]] 12; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]] 13; CHECK: for.body.preheader: 14; CHECK-NEXT: br label [[FOR_BODY:%.*]] 15; CHECK: for.body: 16; CHECK-NEXT: [[P_02:%.*]] = phi ptr addrspace(2) [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[BASE]], [[FOR_BODY_PREHEADER]] ] 17; CHECK-NEXT: [[SUB_PTR_LHS_CAST:%.*]] = ptrtoint ptr addrspace(2) [[P_02]] to i8 18; CHECK-NEXT: [[SUB_PTR_RHS_CAST:%.*]] = ptrtoint ptr addrspace(2) [[BASE]] to i8 19; CHECK-NEXT: [[SUB_PTR_SUB:%.*]] = sub i8 [[SUB_PTR_LHS_CAST]], [[SUB_PTR_RHS_CAST]] 20; CHECK-NEXT: store i8 [[SUB_PTR_SUB]], ptr addrspace(2) [[P_02]], align 1 21; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, ptr addrspace(2) [[P_02]], i32 1 22; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne ptr addrspace(2) [[INCDEC_PTR]], [[ADD_PTR]] 23; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT:%.*]] 24; CHECK: for.end.loopexit: 25; CHECK-NEXT: br label [[FOR_END]] 26; CHECK: for.end: 27; CHECK-NEXT: ret void 28; 29entry: 30 %idx.trunc = trunc i32 %n to i8 31 %add.ptr = getelementptr inbounds i8, ptr addrspace(2) %base, i8 %idx.trunc 32 %cmp1 = icmp ult ptr addrspace(2) %base, %add.ptr 33 br i1 %cmp1, label %for.body, label %for.end 34 35; Make sure the added GEP has the right index type 36 37for.body: 38 %p.02 = phi ptr addrspace(2) [ %base, %entry ], [ %incdec.ptr, %for.body ] 39 ; cruft to make the IV useful 40 %sub.ptr.lhs.cast = ptrtoint ptr addrspace(2) %p.02 to i8 41 %sub.ptr.rhs.cast = ptrtoint ptr addrspace(2) %base to i8 42 %sub.ptr.sub = sub i8 %sub.ptr.lhs.cast, %sub.ptr.rhs.cast 43 store i8 %sub.ptr.sub, ptr addrspace(2) %p.02 44 %incdec.ptr = getelementptr inbounds i8, ptr addrspace(2) %p.02, i32 1 45 %cmp = icmp ult ptr addrspace(2) %incdec.ptr, %add.ptr 46 br i1 %cmp, label %for.body, label %for.end 47 48for.end: 49 ret void 50} 51 52define void @ptriv_as3(ptr addrspace(3) %base, i32 %n) nounwind { 53; CHECK-LABEL: @ptriv_as3( 54; CHECK-NEXT: entry: 55; CHECK-NEXT: [[IDX_TRUNC:%.*]] = trunc i32 [[N:%.*]] to i16 56; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, ptr addrspace(3) [[BASE:%.*]], i16 [[IDX_TRUNC]] 57; CHECK-NEXT: [[CMP1:%.*]] = icmp ult ptr addrspace(3) [[BASE]], [[ADD_PTR]] 58; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]] 59; CHECK: for.body.preheader: 60; CHECK-NEXT: br label [[FOR_BODY:%.*]] 61; CHECK: for.body: 62; CHECK-NEXT: [[P_02:%.*]] = phi ptr addrspace(3) [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[BASE]], [[FOR_BODY_PREHEADER]] ] 63; CHECK-NEXT: [[SUB_PTR_LHS_CAST:%.*]] = ptrtoint ptr addrspace(3) [[P_02]] to i16 64; CHECK-NEXT: [[SUB_PTR_RHS_CAST:%.*]] = ptrtoint ptr addrspace(3) [[BASE]] to i16 65; CHECK-NEXT: [[SUB_PTR_SUB:%.*]] = sub i16 [[SUB_PTR_LHS_CAST]], [[SUB_PTR_RHS_CAST]] 66; CHECK-NEXT: [[CONV:%.*]] = trunc i16 [[SUB_PTR_SUB]] to i8 67; CHECK-NEXT: store i8 [[CONV]], ptr addrspace(3) [[P_02]], align 1 68; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, ptr addrspace(3) [[P_02]], i32 1 69; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne ptr addrspace(3) [[INCDEC_PTR]], [[ADD_PTR]] 70; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT:%.*]] 71; CHECK: for.end.loopexit: 72; CHECK-NEXT: br label [[FOR_END]] 73; CHECK: for.end: 74; CHECK-NEXT: ret void 75; 76entry: 77 %idx.trunc = trunc i32 %n to i16 78 %add.ptr = getelementptr inbounds i8, ptr addrspace(3) %base, i16 %idx.trunc 79 %cmp1 = icmp ult ptr addrspace(3) %base, %add.ptr 80 br i1 %cmp1, label %for.body, label %for.end 81 82; Make sure the added GEP has the right index type 83 84for.body: 85 %p.02 = phi ptr addrspace(3) [ %base, %entry ], [ %incdec.ptr, %for.body ] 86 ; cruft to make the IV useful 87 %sub.ptr.lhs.cast = ptrtoint ptr addrspace(3) %p.02 to i16 88 %sub.ptr.rhs.cast = ptrtoint ptr addrspace(3) %base to i16 89 %sub.ptr.sub = sub i16 %sub.ptr.lhs.cast, %sub.ptr.rhs.cast 90 %conv = trunc i16 %sub.ptr.sub to i8 91 store i8 %conv, ptr addrspace(3) %p.02 92 %incdec.ptr = getelementptr inbounds i8, ptr addrspace(3) %p.02, i32 1 93 %cmp = icmp ult ptr addrspace(3) %incdec.ptr, %add.ptr 94 br i1 %cmp, label %for.body, label %for.end 95 96for.end: 97 ret void 98} 99 100