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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) unnamed_addr {5; CHECK-LABEL: @test(6; CHECK-NEXT: entry:7; CHECK-NEXT: [[CMP1:%.*]] = icmp ult ptr [[A:%.*]], [[A_END:%.*]]8; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]9; CHECK: for.body.preheader:10; CHECK-NEXT: [[B_FLOAT:%.*]] = inttoptr i64 [[B:%.*]] to ptr11; CHECK-NEXT: br label [[FOR_BODY:%.*]]12; CHECK: for.body:13; CHECK-NEXT: [[A_ADDR_03:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[A]], [[FOR_BODY_PREHEADER]] ]14; CHECK-NEXT: [[B_ADDR_FLOAT:%.*]] = phi ptr [ [[B_ADDR_FLOAT_INC:%.*]], [[FOR_BODY]] ], [ [[B_FLOAT]], [[FOR_BODY_PREHEADER]] ]15; CHECK-NEXT: [[L:%.*]] = load float, ptr [[B_ADDR_FLOAT]], align 416; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[L]], 4.200000e+0117; CHECK-NEXT: store float [[MUL_I]], ptr [[A_ADDR_03]], align 418; CHECK-NEXT: [[B_ADDR_FLOAT_INC]] = getelementptr inbounds nuw i8, ptr [[B_ADDR_FLOAT]], i64 419; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds nuw i8, ptr [[A_ADDR_03]], i64 420; CHECK-NEXT: [[CMP:%.*]] = icmp ult ptr [[INCDEC_PTR]], [[A_END]]21; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END]]22; CHECK: for.end:23; CHECK-NEXT: ret void24;25entry:26 %cmp1 = icmp ult ptr %a, %a_end27 br i1 %cmp1, label %for.body.preheader, label %for.end28 29for.body.preheader: ; preds = %entry30 %b.float = inttoptr i64 %b to ptr31 br label %for.body32 33for.body: ; preds = %for.body.preheader, %for.body34 %a.addr.03 = phi ptr [ %incdec.ptr, %for.body ], [ %a, %for.body.preheader ]35 %b.addr.float = phi ptr [ %b.addr.float.inc, %for.body ], [ %b.float, %for.body.preheader ]36 %b.addr.i64 = phi i64 [ %b.addr.i64.inc, %for.body ], [ %b, %for.body.preheader ]37 %l = load float, ptr %b.addr.float, align 438 %mul.i = fmul float %l, 4.200000e+0139 store float %mul.i, ptr %a.addr.03, align 440 %b.addr.float.2 = inttoptr i64 %b.addr.i64 to ptr41 %b.addr.float.inc = getelementptr inbounds float, ptr %b.addr.float.2, i64 142 %b.addr.i64.inc = ptrtoint ptr %b.addr.float.inc to i6443 %incdec.ptr = getelementptr inbounds float, ptr %a.addr.03, i64 144 %cmp = icmp ult ptr %incdec.ptr, %a_end45 br i1 %cmp, label %for.body, label %for.end46 47for.end: ; preds = %for.body, %entry48 ret void49}50 51 52 53