1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=instcombine -S | FileCheck %s 3 4define void @test(ptr %a, ptr readnone %a_end, i64 %b, ptr %bf) unnamed_addr { 5; CHECK-LABEL: @test( 6; CHECK-NEXT: entry: 7; CHECK-NEXT: [[CMP1:%.*]] = icmp ult ptr [[A:%.*]], [[A_END:%.*]] 8; CHECK-NEXT: [[B_FLOAT:%.*]] = inttoptr i64 [[B:%.*]] to ptr 9; CHECK-NEXT: br i1 [[CMP1]], label [[BB1:%.*]], label [[BB2:%.*]] 10; CHECK: bb1: 11; CHECK-NEXT: [[TMP0:%.*]] = inttoptr i64 [[B]] to ptr 12; CHECK-NEXT: br label [[FOR_BODY_PREHEADER:%.*]] 13; CHECK: bb2: 14; CHECK-NEXT: br label [[FOR_BODY_PREHEADER]] 15; CHECK: for.body.preheader: 16; CHECK-NEXT: [[B_PHI:%.*]] = phi ptr [ [[TMP0]], [[BB1]] ], [ [[BF:%.*]], [[BB2]] ] 17; CHECK-NEXT: br label [[FOR_BODY:%.*]] 18; CHECK: for.body: 19; CHECK-NEXT: [[A_ADDR_03:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[A]], [[FOR_BODY_PREHEADER]] ] 20; CHECK-NEXT: [[B_ADDR_FLOAT:%.*]] = phi ptr [ [[B_ADDR_FLOAT_INC:%.*]], [[FOR_BODY]] ], [ [[B_FLOAT]], [[FOR_BODY_PREHEADER]] ] 21; CHECK-NEXT: [[B_ADDR_I64_PTR:%.*]] = phi ptr [ [[B_ADDR_FLOAT_INC]], [[FOR_BODY]] ], [ [[B_PHI]], [[FOR_BODY_PREHEADER]] ] 22; CHECK-NEXT: [[L:%.*]] = load float, ptr [[B_ADDR_FLOAT]], align 4 23; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[L]], 4.200000e+01 24; CHECK-NEXT: store float [[MUL_I]], ptr [[A_ADDR_03]], align 4 25; CHECK-NEXT: [[B_ADDR_FLOAT_INC]] = getelementptr inbounds nuw i8, ptr [[B_ADDR_I64_PTR]], i64 4 26; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds nuw i8, ptr [[A_ADDR_03]], i64 4 27; CHECK-NEXT: [[CMP:%.*]] = icmp ult ptr [[INCDEC_PTR]], [[A_END]] 28; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END:%.*]] 29; CHECK: for.end: 30; CHECK-NEXT: ret void 31; 32entry: 33 %cmp1 = icmp ult ptr %a, %a_end 34 %b.float = inttoptr i64 %b to ptr 35 br i1 %cmp1, label %bb1, label %bb2 36 37bb1: 38 br label %for.body.preheader 39bb2: 40 %bfi = ptrtoint ptr %bf to i64 41 br label %for.body.preheader 42 43for.body.preheader: ; preds = %entry 44 %b.phi = phi i64 [%b, %bb1], [%bfi, %bb2] 45 br label %for.body 46 47for.body: ; preds = %for.body.preheader, %for.body 48 %a.addr.03 = phi ptr [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ] 49 %b.addr.float = phi ptr [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ] 50 %b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b.phi, %for.body.preheader ] 51 %l = load float, ptr %b.addr.float, align 4 52 %mul.i = fmul float %l, 4.200000e+01 53 store float %mul.i, ptr %a.addr.03, align 4 54 %b.addr.float.2 = inttoptr i64 %b.addr.i64 to ptr 55 %b.addr.float.inc = getelementptr inbounds float, ptr %b.addr.float.2, i64 1 56 %b.addr.i64.inc = ptrtoint ptr %b.addr.float.inc to i64 57 %incdec.ptr = getelementptr inbounds float, ptr %a.addr.03, i64 1 58 %cmp = icmp ult ptr %incdec.ptr, %a_end 59 br i1 %cmp, label %for.body, label %for.end 60 61for.end: ; preds = %for.body, %entry 62 ret void 63} 64 65 66 67