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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=instcombine -S | FileCheck %s3 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 ptr9; CHECK-NEXT: br i1 [[CMP1]], label [[BB1:%.*]], label [[BB2:%.*]]10; CHECK: bb1:11; CHECK-NEXT: [[TMP0:%.*]] = inttoptr i64 [[B]] to ptr12; 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: switch i64 [[B]], label [[FOR_BODY:%.*]] [18; CHECK-NEXT: i64 1, label [[FOR_BODY]]19; CHECK-NEXT: ]20; CHECK: for.body:21; CHECK-NEXT: [[A_ADDR_03:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[A]], [[FOR_BODY_PREHEADER]] ], [ [[A]], [[FOR_BODY_PREHEADER]] ]22; CHECK-NEXT: [[B_ADDR_FLOAT:%.*]] = phi ptr [ [[B_ADDR_FLOAT_INC:%.*]], [[FOR_BODY]] ], [ [[B_FLOAT]], [[FOR_BODY_PREHEADER]] ], [ [[B_FLOAT]], [[FOR_BODY_PREHEADER]] ]23; CHECK-NEXT: [[B_ADDR_I64_PTR:%.*]] = phi ptr [ [[B_ADDR_FLOAT_INC]], [[FOR_BODY]] ], [ [[B_PHI]], [[FOR_BODY_PREHEADER]] ], [ [[B_PHI]], [[FOR_BODY_PREHEADER]] ]24; CHECK-NEXT: [[L:%.*]] = load float, ptr [[B_ADDR_FLOAT]], align 425; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[L]], 4.200000e+0126; CHECK-NEXT: store float [[MUL_I]], ptr [[A_ADDR_03]], align 427; CHECK-NEXT: [[B_ADDR_FLOAT_INC]] = getelementptr inbounds nuw i8, ptr [[B_ADDR_I64_PTR]], i64 428; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds nuw i8, ptr [[A_ADDR_03]], i64 429; CHECK-NEXT: [[CMP:%.*]] = icmp ult ptr [[INCDEC_PTR]], [[A_END]]30; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END:%.*]]31; CHECK: for.end:32; CHECK-NEXT: ret void33;34entry:35 %cmp1 = icmp ult ptr %a, %a_end36 %b.float = inttoptr i64 %b to ptr37 br i1 %cmp1, label %bb1, label %bb238 39bb1:40 br label %for.body.preheader41bb2:42 %bfi = ptrtoint ptr %bf to i6443 br label %for.body.preheader44 45for.body.preheader: ; preds = %entry46 %b.phi = phi i64 [%b, %bb1], [%bfi, %bb2]47 switch i64 %b, label %for.body [48 i64 1, label %for.body49 ]50 51for.body: ; preds = %for.body.preheader, %for.body52 %a.addr.03 = phi ptr [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ], [%a, %for.body.preheader]53 %b.addr.float = phi ptr [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ], [%b.float, %for.body.preheader]54 %b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b.phi, %for.body.preheader ], [ %b.phi, %for.body.preheader]55 %l = load float, ptr %b.addr.float, align 456 %mul.i = fmul float %l, 4.200000e+0157 store float %mul.i, ptr %a.addr.03, align 458 %b.addr.float.2 = inttoptr i64 %b.addr.i64 to ptr59 %b.addr.float.inc = getelementptr inbounds float, ptr %b.addr.float.2, i64 160 %b.addr.i64.inc = ptrtoint ptr %b.addr.float.inc to i6461 %incdec.ptr = getelementptr inbounds float, ptr %a.addr.03, i64 162 %cmp = icmp ult ptr %incdec.ptr, %a_end63 br i1 %cmp, label %for.body, label %for.end64 65for.end: ; preds = %for.body, %entry66 ret void67}68 69 70 71